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POM (POM copolymer and POM homopolymer): copolymerized POM has low melting point, thermal stability, chemical resistance, flow characteristics, hydrolysis resistance, resistance to alkali and thermal oxidation degradation, and processability is better than homopolyformaldehyde. Homopolymer POM has higher crystallinity, creep resistance, lower thermal expansion rate, abrasion resistance, mechanical strength, rigidity, and thermal deformation temperature, etc., which are better than co-formaldehyde.
