PP Adhesion Resin—PP5325 is an acrylic resin modified by copolymerization of special monomers with chlorinated polyolefins, offering excellent adhesion to PP plastics.

Product Features

•  Composition: Chlorinated polyolefin-modified acrylic resin

•  Appearance: Yellow liquid

•  Non-volatile Content: 46±2%

•  Solvent: (TOL/XYL)

•  Specific Gravity: Approx. 0.95

•  Viscosity (25℃): 1000-2500 mPa·s

•  Acid Value: 6-12 mg KOH/g (100%)

•  Glass Transition Temperature: 65℃

Key Properties

•  Primarily used in coating systems for PP plastics.

•  Acts as an adhesion primer, providing excellent adhesion after topcoat application.

•  Offers outstanding interlayer adhesion, grindability, and boiling water resistance.

•  Excellent pigment-wetting properties and workability.

•  Especially suitable for three-coat one-bake systems (with polyester as the topcoat).

Application Fields

•  Primer for PP or PP/EPDM+TD20/30 automotive bumpers

•  Coatings for polypropylene (PP) plastic toys, household appliances, and crafts

•  Single-component primers for flower pots and strollers

Usage Instructions

•  Mix with pigments and grind directly to prepare basecoat.

•  Can be used directly or combined with other resins to create basecoats or metallic paints. Conduct tests to determine the optimal dosage before use.

Recommended Dosage

Depends on the coating system; conduct tests to determine the optimal dosage.

Formulation of Treatment Agent