ASA
Alternative Designations: ASA | Acrylonitrile Styrene Acrylate Copolymer-Plastic
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Description
ASA is a weather-resistant modification of ABS, replacing butadiene with acrylate. It offers excellent UV resistance without yellowing in long-term outdoor use but at higher cost than ABS.
Key Features
1. Excellent weather resistance (UV, humidity and salt spray resistance)
2. High surface gloss (ready for direct use without painting)
3. Good mechanical properties (impact resistance superior to standard ABS)
4. Chemical corrosion resistance (stable in weak acid/alkali environments)