TSA – 8219

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PRINCIPAL PROPERTIES

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.

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

TSA – 8219 60 ± 2% in Xylene/Ethyl Acetate

Guideline for Baking Clear

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

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 TSA-8219 60% are Xylene,Toluene, EstersGlycol Ethers. It is having limited solubility in alcohols.

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