Processing Machinery
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PP Transparent Application
Fenómeno do problema
【Problem Phenomenon】Transparent PP parts are needed, transparency is not up to standard
Análise das causas
Ordinary PP is translucent; random copolymer plus nucleating agent can obtain transparent PP; still inferior to PC/PMMA; select the solution according to transparency grade; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
Solução
Select random copolymer plus nucleating agent for general transparency; switch to PC/PMMA for high transparency; select according to haze requirements; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Conclusão principal
PP transparency relies on random copolymer plus nucleation, switch to PC for high transparency; 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 similar problems in the future
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