Problema y solución

Respuestas prácticas a los desafíos comunes de los materiales plásticos

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EVA elongation at break is low

Material Analysis EVA elongation at break molecular weight orientation control crosslinking degree

EVA compression set is large

Molding Process EVA compression set crosslinking degree elastic recovery reinforcing filler

EVA surface blooming precipitation

Production & Quality EVA blooming low molecular migration high molecular weight lubricant precipitation

EVA surface stress whitening

Molding Process EVA stress whitening orientation stress annealing treatment stress concentration

EVA mixing is insufficient

Processing Machinery EVA insufficient mixing screw mixing section kneading block side feeding

EVA fatigue resistance is poor

Production & Quality EVA fatigue resistance crosslinking degree molecular weight stress concentration

EVA surface color difference is obvious

Injection Molding EVA color difference color masterbatch dispersion pigment orientation temperature stability

EVA foam shrinkage is large

Molding Process EVA foam shrinkage crosslinking degree DCP post-treatment VA content

EVA length out of tolerance

Molds & Tooling EVA length out of tolerance shrinkage rate mold compensation sufficient cooling

EVA surface orange peel texture

Injection Molding EVA orange peel texture mold temperature holding pressure surface solidification

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