CB

"Chuck B."

25/12/2003 10:44 PM

Merry Christmas to all and a problem

I recently stained and then applied poly to several small end-tables. I
allowed the stain to dry for about 24 hours and then applied several
coats of poly. I allowed several days to do the poly. All were oil based
not water based.
I allowed several days in the garage to cure. I can't seem to get rid of
the fumes that are coming off the tables. What have I done wrong? I have
had to put them out on the porch under a fan to try and hurry the cure
along. They are not tacky and seem to be dry to the touch. Help!! Chuck
B.


This topic has 16 replies

MR

Mark

in reply to "Chuck B." on 25/12/2003 10:44 PM

29/12/2003 12:25 AM



Chuck B. wrote:


> Thanks for the additional info. Both tables are still gassing some. It's
> been over a week. I'll get used to it.


I screwed up. Usually I'm very patient with finishing.

The weather was suppose to turn cold and nasty so I was in a hurry with
the computer desk top. I slathered urethane on the MDF. It was on the
deck in the direct sun so when it felt 'dry enough' I slathered on
another coat.

Damned thing stunk for weeks, took much longer than that to harden.
Never again will I count on heat to cure/ dry/ harden anything except
enamel.



--
--

Mark

N.E. Ohio


Never argue with a fool, a bystander can't tell you apart. (S. Clemens,
A.K.A. Mark Twain)

When in doubt hit the throttle. It may not help but it sure ends the
suspense. (Gaz, r.moto)

n

in reply to "Chuck B." on 25/12/2003 10:44 PM

27/12/2003 9:19 AM

On Sat, 27 Dec 2003 08:20:49 -0700, "George M. Kazaka"
<[email protected]> wrote:

>All finishing materials are a liquid with solids carried in it, the liquid
>is called a vehicle.


not true.

epoxy and polyester resins are 100% solids they catalyze, not
evaporate.

CB

"Chuck B."

in reply to "Chuck B." on 25/12/2003 10:44 PM

26/12/2003 12:39 PM

Lew Hodgett wrote:
>
> "Chuck B." writes:
>
> > I recently stained and then applied poly to several small end-tables. I
> > allowed the stain to dry for about 24 hours and then applied several
> > coats of poly. I allowed several days to do the poly. All were oil based
> > not water based.
> > I allowed several days in the garage to cure. I can't seem to get rid of
> > the fumes that are coming off the tables. What have I done wrong? I have
> > had to put them out on the porch under a fan to try and hurry the cure
> > along. They are not tacky and seem to be dry to the touch. Help!! Chuck
>
> You don't include what is the temperature range where you are located, but
> unless it reaches at least 70F for several hours each day, it can take a
> while for finishes to cure.
>
> --
> Lew
>
> S/A: Challenge, The Bullet Proof Boat, (Under Construction in the Southland)
> Visit: <http://home.earthlink.net/~lewhodgett> for Pictures

Thanks for the info. I'm in south Florida and the temp has been a bit
cool lately but in the house it has been dry and between 70 and 75. I
will just have to wait, I guess. I thjought maybe the poly was old or
something. Would it help to buy some new poly and give it a very light
coat if the original poly was "spoiled"?

CB

"Chuck B."

in reply to "Chuck B." on 25/12/2003 10:44 PM

26/12/2003 7:51 PM

Greg, G. wrote:
>
> Chuck B. said:
>
> >Thanks for the info. I'm in south Florida and the temp has been a bit
> >cool lately but in the house it has been dry and between 70 and 75. I
> >will just have to wait, I guess. I thjought maybe the poly was old or
> >something. Would it help to buy some new poly and give it a very light
> >coat if the original poly was "spoiled"?
>
> I personally wouldn't. Give it time, reasonable temperatures, and low
> humidity conditions. If the original poly is not completely cured,
> the new coat could cause 're-melting' - ending up in a blobby mess.
> When it completely cures, the smell will go away. What you are
> probably smelling is the volatiles in the varnish evaporating.
>
> I have used old poly that is years old, and have had no problems.
> This is my opinion, others may differ.
>
> Greg G.

Thanks. I'll wait.

CB

"Chuck B."

in reply to "Chuck B." on 25/12/2003 10:44 PM

27/12/2003 6:28 PM

"George M. Kazaka" wrote:
>
> All finishing materials are a liquid with solids carried in it, the liquid
> is called a vehicle.
> When you apply it the solids stay where you put them and become solid as the
> vehicle evaporates.
> The majority evaporates fairly quickly, that is when you may call it dry,
> some are trapped in place and take time for them to come thru and evaporate,
> this is called the curing time and can vary with the type of material you
> are using and the weather condition, ie: Temp,Humidity, Dew Point and
> Baramoter
> Its as Simple as that, so while curing you have the vehicle slowly
> evaporating and thus the odor
>
> "stoutman" <.@.> wrote in message news:bf1Hb.142229$8y1.423842@attbi_s52...
> > Does the smell really have anything to do with the curing? I thought the
> > smell was from the solvents used to dissolve the varnish?
> > Isn't the actual curing process odorless?
> >
> >
> >
> >
> > "John848" <[email protected]> wrote in message
> > news:[email protected]...
> > > Just finished a project in the garage - warm when applied but cold at
> > > night. A week after the last coat - brought it inside - poly fumes !!!
> > > After 24 hours in 72DegF room - smell is virtually gone - Poly needs
> > > warmth and low humidity to cure properly.
> > >
> > > John
> > >
> > >
> > > Chuck B. wrote:
> > >
> > > >I recently stained and then applied poly to several small end-tables. I
> > > >allowed the stain to dry for about 24 hours and then applied several
> > > >coats of poly. I allowed several days to do the poly. All were oil
> based
> > > >not water based.
> > > >I allowed several days in the garage to cure. I can't seem to get rid
> of
> > > >the fumes that are coming off the tables. What have I done wrong? I
> have
> > > >had to put them out on the porch under a fan to try and hurry the cure
> > > >along. They are not tacky and seem to be dry to the touch. Help!! Chuck
> > > >B.
> > > >
> > > >
> >
> >

Thanks for the additional info. Both tables are still gassing some. It's
been over a week. I'll get used to it.

CB

"Chuck B."

in reply to "Chuck B." on 25/12/2003 10:44 PM

27/12/2003 6:34 PM

stoutman wrote:
>
> "this is called the curing time"
>
> The curing time is how long it takes for OXYGEN to penetrate, not how long
> it takes the solvent to evaporate. (reactive finishes, like varnish)
>
> I guess this was my point. :)
>
> "stoutman" <.@.> wrote in message news:GRhHb.150038$8y1.438687@attbi_s52...
> > Reactive finishes like varnish, cure by reacting with oxygen in the air.
> > This occurs during the evaporation process and after. Once all the
> solvent
> > has evaporated, the curing process may not be over. If coats are to thick
> > the outer layer of the varnish will 'skin over' and prevent oxygen from
> > penetrating to finish the curing process. The solvent may have already
> > evaporated. Thus, if the varnish is to thick the layers will continue to
> > cure even after all of the solvent has evaporated. This differs from
> > shellac that does not react with oxygen. Once the solvent evaporates in
> > shellac, that's it, its done.
> >
> >
> > "George M. Kazaka" <[email protected]> wrote in message
> > news:[email protected]...
> > > All finishing materials are a liquid with solids carried in it, the
> liquid
> > > is called a vehicle.
> > > When you apply it the solids stay where you put them and become solid as
> > the
> > > vehicle evaporates.
> > > The majority evaporates fairly quickly, that is when you may call it
> dry,
> > > some are trapped in place and take time for them to come thru and
> > evaporate,
> > > this is called the curing time and can vary with the type of material
> you
> > > are using and the weather condition, ie: Temp,Humidity, Dew Point and
> > > Baramoter
> > > Its as Simple as that, so while curing you have the vehicle slowly
> > > evaporating and thus the odor
> > >
> > > "stoutman" <.@.> wrote in message
> > news:bf1Hb.142229$8y1.423842@attbi_s52...
> > > > Does the smell really have anything to do with the curing? I thought
> > the
> > > > smell was from the solvents used to dissolve the varnish?
> > > > Isn't the actual curing process odorless?
> > > >
> > > >
> > > >
> > > >
> > > > "John848" <[email protected]> wrote in message
> > > > news:[email protected]...
> > > > > Just finished a project in the garage - warm when applied but cold
> at
> > > > > night. A week after the last coat - brought it inside - poly fumes
> > !!!
> > > > > After 24 hours in 72DegF room - smell is virtually gone - Poly needs
> > > > > warmth and low humidity to cure properly.
> > > > >
> > > > > John
> > > > >
> > > > >
> > > > > Chuck B. wrote:
> > > > >
> > > > > >I recently stained and then applied poly to several small
> end-tables.
> > I
> > > > > >allowed the stain to dry for about 24 hours and then applied
> several
> > > > > >coats of poly. I allowed several days to do the poly. All were oil
> > > based
> > > > > >not water based.
> > > > > >I allowed several days in the garage to cure. I can't seem to get
> rid
> > > of
> > > > > >the fumes that are coming off the tables. What have I done wrong? I
> > > have
> > > > > >had to put them out on the porch under a fan to try and hurry the
> > cure
> > > > > >along. They are not tacky and seem to be dry to the touch. Help!!
> > Chuck
> > > > > >B.
> > > > > >
> > > > > >
> > > >
> > > >
> > >
> > >
> >
> >

OK so the oxygen is penetrating the varnish. So what do I smell?
Something must be leaving the varnish (poly). I think I'll go read a
book about it.

CB

"Chuck B."

in reply to "Chuck B." on 25/12/2003 10:44 PM

28/12/2003 12:06 PM

stoutman wrote:
>
> Read "Understanding wood finishing" by Bob Flexner. I refer back to this
> book all the time, it's awesome. Worth every penny. I think I bought mine
> at Barnes and Noble.
>
> "Chuck B." <[email protected]> wrote in message
> news:[email protected]...
> > stoutman wrote:
> > >
> > > "this is called the curing time"
> > >
> > > The curing time is how long it takes for OXYGEN to penetrate, not how
> long
> > > it takes the solvent to evaporate. (reactive finishes, like varnish)
> > >
> > > I guess this was my point. :)
> > >
> > > "stoutman" <.@.> wrote in message
> news:GRhHb.150038$8y1.438687@attbi_s52...
> > > > Reactive finishes like varnish, cure by reacting with oxygen in the
> air.
> > > > This occurs during the evaporation process and after. Once all the
> > > solvent
> > > > has evaporated, the curing process may not be over. If coats are to
> thick
> > > > the outer layer of the varnish will 'skin over' and prevent oxygen
> from
> > > > penetrating to finish the curing process. The solvent may have
> already
> > > > evaporated. Thus, if the varnish is to thick the layers will continue
> to
> > > > cure even after all of the solvent has evaporated. This differs from
> > > > shellac that does not react with oxygen. Once the solvent evaporates
> in
> > > > shellac, that's it, its done.
> > > >
> > > >
> > > > "George M. Kazaka" <[email protected]> wrote in message
> > > > news:[email protected]...
> > > > > All finishing materials are a liquid with solids carried in it, the
> > > liquid
> > > > > is called a vehicle.
> > > > > When you apply it the solids stay where you put them and become
> solid as
> > > > the
> > > > > vehicle evaporates.
> > > > > The majority evaporates fairly quickly, that is when you may call it
> > > dry,
> > > > > some are trapped in place and take time for them to come thru and
> > > > evaporate,
> > > > > this is called the curing time and can vary with the type of
> material
> > > you
> > > > > are using and the weather condition, ie: Temp,Humidity, Dew Point
> and
> > > > > Baramoter
> > > > > Its as Simple as that, so while curing you have the vehicle slowly
> > > > > evaporating and thus the odor
> > > > >
> > > > > "stoutman" <.@.> wrote in message
> > > > news:bf1Hb.142229$8y1.423842@attbi_s52...
> > > > > > Does the smell really have anything to do with the curing? I
> thought
> > > > the
> > > > > > smell was from the solvents used to dissolve the varnish?
> > > > > > Isn't the actual curing process odorless?
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > "John848" <[email protected]> wrote in message
> > > > > > news:[email protected]...
> > > > > > > Just finished a project in the garage - warm when applied but
> cold
> > > at
> > > > > > > night. A week after the last coat - brought it inside - poly
> fumes
> > > > !!!
> > > > > > > After 24 hours in 72DegF room - smell is virtually gone - Poly
> needs
> > > > > > > warmth and low humidity to cure properly.
> > > > > > >
> > > > > > > John
> > > > > > >
> > > > > > >
> > > > > > > Chuck B. wrote:
> > > > > > >
> > > > > > > >I recently stained and then applied poly to several small
> > > end-tables.
> > > > I
> > > > > > > >allowed the stain to dry for about 24 hours and then applied
> > > several
> > > > > > > >coats of poly. I allowed several days to do the poly. All were
> oil
> > > > > based
> > > > > > > >not water based.
> > > > > > > >I allowed several days in the garage to cure. I can't seem to
> get
> > > rid
> > > > > of
> > > > > > > >the fumes that are coming off the tables. What have I done
> wrong? I
> > > > > have
> > > > > > > >had to put them out on the porch under a fan to try and hurry
> the
> > > > cure
> > > > > > > >along. They are not tacky and seem to be dry to the touch.
> Help!!
> > > > Chuck
> > > > > > > >B.
> > > > > > > >
> > > > > > > >
> > > > > >
> > > > > >
> > > > >
> > > > >
> > > >
> > > >
> >
> > OK so the oxygen is penetrating the varnish. So what do I smell?
> > Something must be leaving the varnish (poly). I think I'll go read a
> > book about it.

Thanks. On my way to the mall.

Jj

John848

in reply to "Chuck B." on 25/12/2003 10:44 PM

25/12/2003 7:11 PM

Just finished a project in the garage - warm when applied but cold at
night. A week after the last coat - brought it inside - poly fumes !!!
After 24 hours in 72DegF room - smell is virtually gone - Poly needs
warmth and low humidity to cure properly.

John


Chuck B. wrote:

>I recently stained and then applied poly to several small end-tables. I
>allowed the stain to dry for about 24 hours and then applied several
>coats of poly. I allowed several days to do the poly. All were oil based
>not water based.
>I allowed several days in the garage to cure. I can't seem to get rid of
>the fumes that are coming off the tables. What have I done wrong? I have
>had to put them out on the porch under a fan to try and hurry the cure
>along. They are not tacky and seem to be dry to the touch. Help!! Chuck
>B.
>
>

s@

"stoutman" <.@.>

in reply to "Chuck B." on 25/12/2003 10:44 PM

27/12/2003 3:48 PM

Reactive finishes like varnish, cure by reacting with oxygen in the air.
This occurs during the evaporation process and after. Once all the solvent
has evaporated, the curing process may not be over. If coats are to thick
the outer layer of the varnish will 'skin over' and prevent oxygen from
penetrating to finish the curing process. The solvent may have already
evaporated. Thus, if the varnish is to thick the layers will continue to
cure even after all of the solvent has evaporated. This differs from
shellac that does not react with oxygen. Once the solvent evaporates in
shellac, that's it, its done.


"George M. Kazaka" <[email protected]> wrote in message
news:[email protected]...
> All finishing materials are a liquid with solids carried in it, the liquid
> is called a vehicle.
> When you apply it the solids stay where you put them and become solid as
the
> vehicle evaporates.
> The majority evaporates fairly quickly, that is when you may call it dry,
> some are trapped in place and take time for them to come thru and
evaporate,
> this is called the curing time and can vary with the type of material you
> are using and the weather condition, ie: Temp,Humidity, Dew Point and
> Baramoter
> Its as Simple as that, so while curing you have the vehicle slowly
> evaporating and thus the odor
>
> "stoutman" <.@.> wrote in message
news:bf1Hb.142229$8y1.423842@attbi_s52...
> > Does the smell really have anything to do with the curing? I thought
the
> > smell was from the solvents used to dissolve the varnish?
> > Isn't the actual curing process odorless?
> >
> >
> >
> >
> > "John848" <[email protected]> wrote in message
> > news:[email protected]...
> > > Just finished a project in the garage - warm when applied but cold at
> > > night. A week after the last coat - brought it inside - poly fumes
!!!
> > > After 24 hours in 72DegF room - smell is virtually gone - Poly needs
> > > warmth and low humidity to cure properly.
> > >
> > > John
> > >
> > >
> > > Chuck B. wrote:
> > >
> > > >I recently stained and then applied poly to several small end-tables.
I
> > > >allowed the stain to dry for about 24 hours and then applied several
> > > >coats of poly. I allowed several days to do the poly. All were oil
> based
> > > >not water based.
> > > >I allowed several days in the garage to cure. I can't seem to get rid
> of
> > > >the fumes that are coming off the tables. What have I done wrong? I
> have
> > > >had to put them out on the porch under a fan to try and hurry the
cure
> > > >along. They are not tacky and seem to be dry to the touch. Help!!
Chuck
> > > >B.
> > > >
> > > >
> >
> >
>
>

s@

"stoutman" <.@.>

in reply to "Chuck B." on 25/12/2003 10:44 PM

28/12/2003 2:24 AM

Read "Understanding wood finishing" by Bob Flexner. I refer back to this
book all the time, it's awesome. Worth every penny. I think I bought mine
at Barnes and Noble.


"Chuck B." <[email protected]> wrote in message
news:[email protected]...
> stoutman wrote:
> >
> > "this is called the curing time"
> >
> > The curing time is how long it takes for OXYGEN to penetrate, not how
long
> > it takes the solvent to evaporate. (reactive finishes, like varnish)
> >
> > I guess this was my point. :)
> >
> > "stoutman" <.@.> wrote in message
news:GRhHb.150038$8y1.438687@attbi_s52...
> > > Reactive finishes like varnish, cure by reacting with oxygen in the
air.
> > > This occurs during the evaporation process and after. Once all the
> > solvent
> > > has evaporated, the curing process may not be over. If coats are to
thick
> > > the outer layer of the varnish will 'skin over' and prevent oxygen
from
> > > penetrating to finish the curing process. The solvent may have
already
> > > evaporated. Thus, if the varnish is to thick the layers will continue
to
> > > cure even after all of the solvent has evaporated. This differs from
> > > shellac that does not react with oxygen. Once the solvent evaporates
in
> > > shellac, that's it, its done.
> > >
> > >
> > > "George M. Kazaka" <[email protected]> wrote in message
> > > news:[email protected]...
> > > > All finishing materials are a liquid with solids carried in it, the
> > liquid
> > > > is called a vehicle.
> > > > When you apply it the solids stay where you put them and become
solid as
> > > the
> > > > vehicle evaporates.
> > > > The majority evaporates fairly quickly, that is when you may call it
> > dry,
> > > > some are trapped in place and take time for them to come thru and
> > > evaporate,
> > > > this is called the curing time and can vary with the type of
material
> > you
> > > > are using and the weather condition, ie: Temp,Humidity, Dew Point
and
> > > > Baramoter
> > > > Its as Simple as that, so while curing you have the vehicle slowly
> > > > evaporating and thus the odor
> > > >
> > > > "stoutman" <.@.> wrote in message
> > > news:bf1Hb.142229$8y1.423842@attbi_s52...
> > > > > Does the smell really have anything to do with the curing? I
thought
> > > the
> > > > > smell was from the solvents used to dissolve the varnish?
> > > > > Isn't the actual curing process odorless?
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > "John848" <[email protected]> wrote in message
> > > > > news:[email protected]...
> > > > > > Just finished a project in the garage - warm when applied but
cold
> > at
> > > > > > night. A week after the last coat - brought it inside - poly
fumes
> > > !!!
> > > > > > After 24 hours in 72DegF room - smell is virtually gone - Poly
needs
> > > > > > warmth and low humidity to cure properly.
> > > > > >
> > > > > > John
> > > > > >
> > > > > >
> > > > > > Chuck B. wrote:
> > > > > >
> > > > > > >I recently stained and then applied poly to several small
> > end-tables.
> > > I
> > > > > > >allowed the stain to dry for about 24 hours and then applied
> > several
> > > > > > >coats of poly. I allowed several days to do the poly. All were
oil
> > > > based
> > > > > > >not water based.
> > > > > > >I allowed several days in the garage to cure. I can't seem to
get
> > rid
> > > > of
> > > > > > >the fumes that are coming off the tables. What have I done
wrong? I
> > > > have
> > > > > > >had to put them out on the porch under a fan to try and hurry
the
> > > cure
> > > > > > >along. They are not tacky and seem to be dry to the touch.
Help!!
> > > Chuck
> > > > > > >B.
> > > > > > >
> > > > > > >
> > > > >
> > > > >
> > > >
> > > >
> > >
> > >
>
> OK so the oxygen is penetrating the varnish. So what do I smell?
> Something must be leaving the varnish (poly). I think I'll go read a
> book about it.

LH

"Lew Hodgett"

in reply to "Chuck B." on 25/12/2003 10:44 PM

25/12/2003 11:06 PM


"Chuck B." writes:

> I recently stained and then applied poly to several small end-tables. I
> allowed the stain to dry for about 24 hours and then applied several
> coats of poly. I allowed several days to do the poly. All were oil based
> not water based.
> I allowed several days in the garage to cure. I can't seem to get rid of
> the fumes that are coming off the tables. What have I done wrong? I have
> had to put them out on the porch under a fan to try and hurry the cure
> along. They are not tacky and seem to be dry to the touch. Help!! Chuck

You don't include what is the temperature range where you are located, but
unless it reaches at least 70F for several hours each day, it can take a
while for finishes to cure.


--
Lew

S/A: Challenge, The Bullet Proof Boat, (Under Construction in the Southland)
Visit: <http://home.earthlink.net/~lewhodgett> for Pictures

s@

"stoutman" <.@.>

in reply to "Chuck B." on 25/12/2003 10:44 PM

26/12/2003 8:55 PM

Does the smell really have anything to do with the curing? I thought the
smell was from the solvents used to dissolve the varnish?
Isn't the actual curing process odorless?




"John848" <[email protected]> wrote in message
news:[email protected]...
> Just finished a project in the garage - warm when applied but cold at
> night. A week after the last coat - brought it inside - poly fumes !!!
> After 24 hours in 72DegF room - smell is virtually gone - Poly needs
> warmth and low humidity to cure properly.
>
> John
>
>
> Chuck B. wrote:
>
> >I recently stained and then applied poly to several small end-tables. I
> >allowed the stain to dry for about 24 hours and then applied several
> >coats of poly. I allowed several days to do the poly. All were oil based
> >not water based.
> >I allowed several days in the garage to cure. I can't seem to get rid of
> >the fumes that are coming off the tables. What have I done wrong? I have
> >had to put them out on the porch under a fan to try and hurry the cure
> >along. They are not tacky and seem to be dry to the touch. Help!! Chuck
> >B.
> >
> >

GM

"George M. Kazaka"

in reply to "Chuck B." on 25/12/2003 10:44 PM

27/12/2003 8:20 AM

All finishing materials are a liquid with solids carried in it, the liquid
is called a vehicle.
When you apply it the solids stay where you put them and become solid as the
vehicle evaporates.
The majority evaporates fairly quickly, that is when you may call it dry,
some are trapped in place and take time for them to come thru and evaporate,
this is called the curing time and can vary with the type of material you
are using and the weather condition, ie: Temp,Humidity, Dew Point and
Baramoter
Its as Simple as that, so while curing you have the vehicle slowly
evaporating and thus the odor

"stoutman" <.@.> wrote in message news:bf1Hb.142229$8y1.423842@attbi_s52...
> Does the smell really have anything to do with the curing? I thought the
> smell was from the solvents used to dissolve the varnish?
> Isn't the actual curing process odorless?
>
>
>
>
> "John848" <[email protected]> wrote in message
> news:[email protected]...
> > Just finished a project in the garage - warm when applied but cold at
> > night. A week after the last coat - brought it inside - poly fumes !!!
> > After 24 hours in 72DegF room - smell is virtually gone - Poly needs
> > warmth and low humidity to cure properly.
> >
> > John
> >
> >
> > Chuck B. wrote:
> >
> > >I recently stained and then applied poly to several small end-tables. I
> > >allowed the stain to dry for about 24 hours and then applied several
> > >coats of poly. I allowed several days to do the poly. All were oil
based
> > >not water based.
> > >I allowed several days in the garage to cure. I can't seem to get rid
of
> > >the fumes that are coming off the tables. What have I done wrong? I
have
> > >had to put them out on the porch under a fan to try and hurry the cure
> > >along. They are not tacky and seem to be dry to the touch. Help!! Chuck
> > >B.
> > >
> > >
>
>

Sd

Silvan

in reply to "Chuck B." on 25/12/2003 10:44 PM

25/12/2003 6:52 PM

Lew Hodgett wrote:

> You don't include what is the temperature range where you are located, but
> unless it reaches at least 70F for several hours each day, it can take a
> while for finishes to cure.

Depends on how thick the finish is too. I *globbed* some oil-based poly on
a gag gift. The thing is still out-gassing after a month of sitting in a
70+ degree house.

--
Michael McIntyre ---- Silvan <[email protected]>
Linux fanatic, and certified Geek; registered Linux user #243621
http://www.geocities.com/Paris/Rue/5407/

GG

Greg G.

in reply to "Chuck B." on 25/12/2003 10:44 PM

26/12/2003 7:56 AM

Chuck B. said:

>Thanks for the info. I'm in south Florida and the temp has been a bit
>cool lately but in the house it has been dry and between 70 and 75. I
>will just have to wait, I guess. I thjought maybe the poly was old or
>something. Would it help to buy some new poly and give it a very light
>coat if the original poly was "spoiled"?

I personally wouldn't. Give it time, reasonable temperatures, and low
humidity conditions. If the original poly is not completely cured,
the new coat could cause 're-melting' - ending up in a blobby mess.
When it completely cures, the smell will go away. What you are
probably smelling is the volatiles in the varnish evaporating.

I have used old poly that is years old, and have had no problems.
This is my opinion, others may differ.


Greg G.

s@

"stoutman" <.@.>

in reply to "Chuck B." on 25/12/2003 10:44 PM

27/12/2003 4:26 PM

"this is called the curing time"

The curing time is how long it takes for OXYGEN to penetrate, not how long
it takes the solvent to evaporate. (reactive finishes, like varnish)

I guess this was my point. :)



"stoutman" <.@.> wrote in message news:GRhHb.150038$8y1.438687@attbi_s52...
> Reactive finishes like varnish, cure by reacting with oxygen in the air.
> This occurs during the evaporation process and after. Once all the
solvent
> has evaporated, the curing process may not be over. If coats are to thick
> the outer layer of the varnish will 'skin over' and prevent oxygen from
> penetrating to finish the curing process. The solvent may have already
> evaporated. Thus, if the varnish is to thick the layers will continue to
> cure even after all of the solvent has evaporated. This differs from
> shellac that does not react with oxygen. Once the solvent evaporates in
> shellac, that's it, its done.
>
>
> "George M. Kazaka" <[email protected]> wrote in message
> news:[email protected]...
> > All finishing materials are a liquid with solids carried in it, the
liquid
> > is called a vehicle.
> > When you apply it the solids stay where you put them and become solid as
> the
> > vehicle evaporates.
> > The majority evaporates fairly quickly, that is when you may call it
dry,
> > some are trapped in place and take time for them to come thru and
> evaporate,
> > this is called the curing time and can vary with the type of material
you
> > are using and the weather condition, ie: Temp,Humidity, Dew Point and
> > Baramoter
> > Its as Simple as that, so while curing you have the vehicle slowly
> > evaporating and thus the odor
> >
> > "stoutman" <.@.> wrote in message
> news:bf1Hb.142229$8y1.423842@attbi_s52...
> > > Does the smell really have anything to do with the curing? I thought
> the
> > > smell was from the solvents used to dissolve the varnish?
> > > Isn't the actual curing process odorless?
> > >
> > >
> > >
> > >
> > > "John848" <[email protected]> wrote in message
> > > news:[email protected]...
> > > > Just finished a project in the garage - warm when applied but cold
at
> > > > night. A week after the last coat - brought it inside - poly fumes
> !!!
> > > > After 24 hours in 72DegF room - smell is virtually gone - Poly needs
> > > > warmth and low humidity to cure properly.
> > > >
> > > > John
> > > >
> > > >
> > > > Chuck B. wrote:
> > > >
> > > > >I recently stained and then applied poly to several small
end-tables.
> I
> > > > >allowed the stain to dry for about 24 hours and then applied
several
> > > > >coats of poly. I allowed several days to do the poly. All were oil
> > based
> > > > >not water based.
> > > > >I allowed several days in the garage to cure. I can't seem to get
rid
> > of
> > > > >the fumes that are coming off the tables. What have I done wrong? I
> > have
> > > > >had to put them out on the porch under a fan to try and hurry the
> cure
> > > > >along. They are not tacky and seem to be dry to the touch. Help!!
> Chuck
> > > > >B.
> > > > >
> > > > >
> > >
> > >
> >
> >
>
>


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