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I. **Composition and Properties**
A-4850K resin is a copolymer of (meth)acrylate monomers and special monomers grafted onto chlorinated polypropylene, using toluene and methyl ethyl ketone as solvents. This resin exhibits excellent adhesion to most PP substrates (no need to add PP water); it can be used to formulate solid color paints.
II. [Product Technical Specifications]
Appearance: Slightly turbid, free of mechanical impurities
Color: ≤2
Viscosity (Gautler tube, 25℃), seconds: V-Z1
Solids (150℃, 1h), %: 47-51
Acid Value (solution, mgKOH/g): 0-6
Glass Transition Temperature (theoretical value), ℃: 48
III. [Applications]
A-4850K resin PP automotive bumper primer, with good adhesion and water resistance.
IV. [Gray Primer Reference Formulation]
A-4850K 40
Chlorinated acetic acid (20%) 6
Titanium dioxide 22
Mica powder 7.4
Talc powder 4
Carbon black 0.6
Mixed solvents Around 20
Note: 1. The mixed solvent can be toluene/xylene/butyl acetate/cyclohexanone = 30/20/20/30
Nantong Baisen Chemical Co., Ltd
Wang Hongfei：8613901470336
Sun Chenglong：8613921132449
python@baisenhg.com
Rudong County Chemical Industry Agglomeration Zone, Jiangsu Province, China