Molding Process
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Decreased Low-Temperature Impact Strength of PC
문제 현상
The impact strength of PC decreases significantly at low temperatures (below -20°C).
원인 분석
PC has a tendency to low-temperature embrittlement; although the Tg is about 150°C, the secondary relaxation is in the low-temperature region.
해결 방법
Use a low-temperature toughened PC grade; avoid notches and sharp corners in the design.
핵심 요약
PC low-temperature impact also has limitations.
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