Material Analysis
11 조회수
PVC Filling Modification
문제 현상
Filled PVC pipe fittings had good dimensional stability but decreased welding strength and poor surface gloss
원인 분석
Fillers such as calcium carbonate reduce cost and improve rigidity and dimensional stability; but excessive filling reduces toughness and welding strength and lowers surface gloss; filling amount must be balanced by application
해결 방법
①Moderately fill structural parts to control cost; ②limit filling amount for welded parts; ③reduce filling or select ultrafine filler for high-gloss appearance parts; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
핵심 요약
PVC filling is a balance between cost and performance; set the filling upper limit according to welding and appearance requirements; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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