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Polycarbonat - Bearbejdning
来自 : www.polycarbonat.dk/
发布时间：2021-03-25
Sårbar overfor hydrolyse Ved temperaturer over 60°C reagerer polycarbonate kemisk ved vand og bliver nedbrudt (hydrolyse). Det sker langsom, men over nogle måneder kan polycarbonaten tabe en betragtelig del af styrken:
\"Studies have shown a rapid drop in average molecular weight for PC\'s under hot/humid conditions. This means that the PC polymer chains are being cut to pieces by the water molecules. One study found the average molecular weight of a commercial grade PC dropped to approximately 65% of it\'s initial value after 40 weeks at 100% relative humidity at only 65° C. This reduction in molecular weight leads to a loss of mechanical properties, and causes brittle rather than ductile fractures.\" Kilde
Polycarbonat er en transparent plast karakteriseret ved: Nærmest brudsikkert. Bruges meget ved afskræmninger hvor sikkerhed er i højsædet...Polycarbonat plader Lexan makrolonBearbejdning og salg af polycarbonat pladerPolycarbonat
\"Studies have shown a rapid drop in average molecular weight for PC\'s under hot/humid conditions. This means that the PC polymer chains are being cut to pieces by the water molecules. One study found the average molecular weight of a commercial grade PC dropped to approximately 65% of it\'s initial value after 40 weeks at 100% relative humidity at only 65° C. This reduction in molecular weight leads to a loss of mechanical properties, and causes brittle rather than ductile fractures.\" Kilde
Polycarbonat er en transparent plast karakteriseret ved: Nærmest brudsikkert. Bruges meget ved afskræmninger hvor sikkerhed er i højsædet...Polycarbonat plader Lexan makrolonBearbejdning og salg af polycarbonat pladerPolycarbonat
本文链接： http://polycarbon.immuno-online.com/view-740122.html
发布于 ： 2021-03-25
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