Molds & Tooling
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Insufficient surface gloss of PAR products
Problem Phenomenon
The surface gloss of the product is not as expected.
Cause Analysis
The mold temperature is low, the surface cools quickly and is not dense; the mold roughness is high.
Solution
Raise the mold temperature to 130-160°C; mirror polish the mold; increase the injection speed.
Key Takeaway
High gloss of PAR requires high-temperature molds and mirror surfaces.
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