Automotive Special Modified Plastics Heat Resistant ASA For Beam And Speaker Cover Plate
ASA compound materials are automotive special modified plastics, used for instrument panel frame, automobile signage and beam.
- Product Introduction
Product: Automotive special modified plastics series - ASA compound
Material characteristics: Heat resistant
Product type: Heat resistant ASA
Typical use: Automobile interior and exterior trim (automobile radiator grille, central channel, utility box, sub-instrument panel, instrument panel frame, automobile signage, beam, speaker cover plate, rearview mirror frame, etc.)
ASA Resin Heat Resistant Modification
The heat distortion temperature of general-purpose ASA resin is similar to that of general-purpose ABS, about 80 to 85°C (1.82MPa, 6.4mm, not annealed). Generally speaking, HDT can be improved by blending SAN with high acrylonitrile content and high molecular weight and reducing the amount of acrylic rubber, but the improvement is not significant. Heat-resistant ASA resin can be prepared by introducing monomers with large steric hindrance and high rigidity.
ASA material has excellent weather, chemical and environmental stress crack resistance and can withstand hot water treatment and detergent cleaning. Heat-resistant ASA materials can withstand high temperatures, so they are widely used in exterior parts such as automobile taillights, rearview mirrors, radiator grilles, door pillar decorative panels, window frames, door outer triangular blocks, roof ventilation grilles, lamp housings, etc.
Due to good weather resistance and surface gloss, the dyed ASA resin can directly replace the painted ABS resin, which reduces the painting process, is more environmentally friendly, and more economical, and there is no need to worry about the problem of paint peeling off.
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