Replies

1. 
   HowardAcheson | Nov 22, 2002 08:16pm | #1

   There's a difference between what a japan drier does and a faster evaporating thinner. Japan driers actually speed up the curing process of the base finish. Using a faster evaporating thinner will get you a faster tack free surface but it does not accelerate the cure of the base finish.

2. 
   Paul_Snyder | Nov 23, 2002 03:02am | #2

   I don't know about an "oil-base primer," but it's not recommended to use japan drier in varnish or poly to speed cure time - the added drier can cause the finish to cross-link improperly and form a weakened film.

   To get a faster "dry time" when spraying oil-base products, you can use toluene, zylene, or naptha - listed in descending order of evaporation rate. Normal safety precautions apply - respirator, explosion-proof spraying environment, etc..

   Paul

   F'burg, VA

1. 
   alias | Nov 23, 2002 04:47am | #3

   thanks paul for your time , i mixed up a gallon w/ naptha and one w/ mineral spirits. so toluene is more "volatile" than naptha that i didnt know. thanks again ...bear

1. 
   Paul_Snyder | Nov 24, 2002 01:08am | #4

   Bear - glad to help. The naptha evaporates 12 times faster than the mineral spirits. The zylene evaporates faster than the naptha and the toluene evaporates faster than the zylene (I don't know the rates without looking them up).Paul

   F'burg, VA

3. 
   RW | Nov 24, 2002 07:53am | #5

   to add, I use lacquer thinner almost exclusively when spraying oils. It flashes off very fast. The couple of times I wanted the solvent to flash right away, I used acetone. Useful on vertical surfaces as it helps to avoid sags. Don't recall who posted the difference btwn jap dryer and thinners but they're dead on. For as good a prospect as they sound, jap dryers tend to not be compatible with a wide range of finishes, and the most frequent mistake I hear about is using too much. Two options seem realistic - forget about the JD and use stricly solvents, or contact whoever made the paint (via a tech support line or a local store) and ask about the compatibility. Or test it youself on scrap. Happy sprayin.

1. 
   alias | Nov 24, 2002 09:12pm | #6

   origgy- : ) thanks very much for further info.. i love this place.... thanks everyone and enjoy the coming holiday..... cheers bear