Thread: paint brands
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Old 01-15-2003, 11:34 PM
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Todd,
Don't get in a rut by thinking that you must bake your clear! Todays refinish paint dries by chemical reaction.(Isocynate). OEM uses a single componet paint called theromset which
dries by you guessed it heat. They bake their vehicles at over 350 degrees. We cannot bake cars at that temp. We would melt tires,fry computers ect. A refinish shop bakes at a max temp of 160 to maybe 180 degrees. All this does is get
the car out of the booth faster so they can get the next car in. It has no effect on the actual cure rate of a Urethane. That is done by the ISO. Some of the new HC paint can cure in a hour and a half to allow rubbing! HC= Hyper Cure. Thats in a air dry scenerio. The comment about accelerator is true. It will help speed the cure rate but will cause other issues (chipping,brittle ect..)When you add accelerator to a clear coat you are altering the clear from what it was originally intended to do. Usually to meet a bad application enviroment. Also I will add do not add
more coats of clear because you think it will last longer. It will add more tail solvents that will take years to dissipate. Think about taking 8 Advils next time you get a headace. With today High Solids materials more is not recommended because of the % of soilds per gal.

Just my two cents,

Shannon
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