Extrusion & Post
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PP-R Pipe Extrusion Rough Surface
Fenómeno del problema
PP-R pipe outer surface is rough and dull.
Análisis de la causa
Low melt temperature with poor plasticization, or improper die temperature; poor raw material quality and excessive regrind also cause roughness.
Solución
①Optimize temperature settings; ②regularly clean screw, barrel, and die; ③use qualified resin; ④control regrind ratio.
Conclusión clave
For rough surface, check temperature and raw material first.
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