TSA – 8219
TSA-8219 is hydroxyl functional thermosetting acrylic resin developed for use in low bake baking system for auto body paints and lacquers.TSA-8219 is recommended for the development of the acrylic based vehicle refinish lacquersor paints having Excellent Petrol and Oil resistance.
- GOOD GLOSS & COLOUR RETENTION.
- GOOD HARDNESS.
- GOOD POLISHING PROPERTY.
- LOW BAKE FINISHES.
- BETTER OUTDOOR DURABILITY.
- FOR DOMESTIC APPILIANCES.
|Viscosity as such in Brook Field RVT/S – 4, RPM – 20 at 25˚C Temperature||10 – 15 Poise|
|Acid Value (mg KOH/gm)||15 - 20|
|Color (APHA/Pt-Co)||20 Max|
|n-Butyl Acetate||Complete Soluble|
|Methyl Ethyl Ketone||Complete Soluble|
|Ethyl Glycol Acetate||Complete Soluble|
|MTO /LAWS||Not Soluble|
|Short Oil in Xylene/Toluene||Compatible|
|UF – 8/9001||Compatible|
|MF – 268/910/970||Compatible|
|Long Oil in MTO/LAWS||Not Compatible|
|TSA – 8219||60 ± 2% in Xylene/Ethyl Acetate|
Guideline for Baking Clear
|TSA – 8219||47.389 Gm|
|MF – 268||11.731 Gm|
|Panel Test (150°C for 15 Minutes)||100 Micron Applicator|
|Panel Testing Baking Hardness||4H|
TSA-821960% should be mixed with amino resins. Recommended ratios are 75:25 or 80:20 onsolid basis cooked at 120°C Temperature. Use of 5-10% of Acid catalyst soln. (20% of PTSA in Xylene) is acceptableat lower cooking temperature around 80°C Temperature.
The solvents chosen for paints and lacquers based on TSA-8219 60% are Xylene,Toluene, EstersGlycol Ethers. It is having limited solubility in alcohols.
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