Molds & Tooling
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GPPS Product Poor Surface Gloss
Problem Phenomenon
Transparent part surface is hazy and gloss is insufficient.
Cause Analysis
Poor mold surface condition or low mold temperature causes poor replication; material degradation also affects surface gloss.; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
Solution
①Polish the cavity to a mirror finish; ②appropriately increase mold temperature; ③control processing temperature to prevent degradation; ④clean the mold surface.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Transparent part gloss depends on mold surface and replication quality; mirror polishing is a basic investment.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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