Material Analysis
12 görüntüleme
POM copolymer and homopolymer selection
Sorun Belirtisi
Homopolymer POM products have a narrow processing window and degrade frequently, or copolymer POM parts fail to meet strength requirements
Neden Analizi
Homopolymer POM has higher strength, rigidity, and melting point but poor thermal stability and a processing window of only about 10°C; copolymer POM has good thermal stability, good chemical resistance, and a wide processing window of about 50°C but slightly lower mechanical properties
Çözüm
①Choose copolymer POM when processing stability is the priority; ②choose homopolymer POM for high strength and high rigidity requirements and strictly control the temperature; ③evaluate copolymer grades for precision long-term heat-resistant parts
Temel Çıkarım
Copolymer versus homopolymer is the first fork in POM material selection; choose copolymer for process friendliness and homopolymer for performance limits, and the selection determines the process discipline; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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