Extrusion & Post
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ASA Co-extrusion Capstock Cost Reduction
Problem Phenomenon
【Problem Phenomenon】All-ASA products have high cost and insufficient market competitiveness
Cause Analysis
Co-extrusion capstock strategy: core layer uses cheap materials (recycled ABS, PVC, wood-plastic), surface layer 0.5mm ASA provides weather-resistant appearance; cost close to commodity materials while performance is maintained
Solution
Extruded profiles prioritize evaluating ASA co-extrusion solutions; surface layer thickness designed according to weather resistance years; core layer material and ASA adhesion verification; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Key Takeaway
ASA co-extrusion surface layer 0.5mm, cost reduced without performance reduction; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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