Problema y solución

Respuestas prácticas a los desafíos comunes de los materiales plásticos

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DSTDP low elongation at break

Material Analysis DSTDPelongation at breakmolecular weightorientation controlcrosslinking degree

DSTDP large compression set

Molding Process DSTDPcompression setcrosslinking degreeelastic recoveryreinforcing filler

DSTDP surface blooming exudation

Production & Quality DSTDPbloominglow-molecular migrationhigh molecular weightlubricant exudation

DSTDP vacuum vent section material overflow

Extrusion & Post DSTDPvacuum vent overflowmelt viscositytemperature reductionvent baffle

DSTDP length out of tolerance

Molds & Tooling DSTDPlength out of toleranceshrinkage ratemold compensationsufficient cooling

DSTDP material changeover residue

Processing Machinery DSTDPmaterial changeover residuepurging compoundscrew disassemblydead corner cleaning

DSTDP stress cracking

Production & Quality DSTDPstress crackingenvironmental stressannealing treatmenthigh molecular weight

DSTDP poor surface gloss

Molds & Tooling DSTDPglossmold polishingcrystallization scatteringnucleating agent

DSTDP surface microcracks

Production & Quality DSTDPmicrocracksinternal stressannealing treatmentstress concentration design

DSTDP fast UV aging

Fast UV aging is caused by photo-oxidation; UV absorber and HALS are key

Material Analysis DSTDPUV agingUV absorberHALSradical scavenging

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