MACROLIC TSA 8219
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Thermosetting acrylic resins primarily used for low bake paints and lacquers with excellent oil and petrol resistance
PRINCIPAL PROPERTIES
MACROLIC TSA-8219 is hydroxyl functional thermosetting acrylic resin developed for use in low bake baking system for auto body paints and lacquers.MACROLIC TSA-8219 is recommended for the development of the acrylic based vehicle refinish lacquersor paints having Excellent Petrol and Oil resistance.
CHARATERSTICS
- GOOD GLOSS & COLOUR RETENTION.
- GOOD HARDNESS.
- GOOD POLISHING PROPERTY.
- LOW BAKE FINISHES.
- BETTER OUTDOOR DURABILITY.
- FOR DOMESTIC APPILIANCES.
PHYSICAL CONSTANTS
| 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 |
SOLUBILITY
| Xylene | Complete Soluble |
| n-Butyl Acetate | Complete Soluble |
| Methyl Ethyl Ketone | Complete Soluble |
| Ethyl Glycol Acetate | Complete Soluble |
| MTO /LAWS | Not Soluble |
COMPATIBILITY
| Short Oil in Xylene/Toluene | Compatible |
| UF – 8/9001 | Compatible |
| MF – 268/910/970 | Compatible |
| Long Oil in MTO/LAWS | Not Compatible |
DELIVERY FORM
| MACROLIC TSA – 8219 | 60 ± 2% in Xylene/Ethyl Acetate |
Guideline for Baking Clear
| MACROLIC TSA – 8219 | 47.389 Gm |
| MF – 268 | 11.731 Gm |
| Xylene | 30.66 Gm |
| n-Butanol | 10.22 Gm |
| Total | 100 Gm |
Drying Time
| Panel Test (150°C for 15 Minutes) | 100 Micron Applicator |
| Panel Testing Baking Hardness | 4H |
REACTION RATIO
MACROLIC 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.
SOLVENTS
The solvents chosen for paints and lacquers based on MACROLIC TSA-8219 60% are Xylene,Toluene, EstersGlycol Ethers. It is having limited solubility in alcohols.