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US5389712A Difficultly flammable polyamide moulding materials 失效
难燃易燃聚酰胺成型材料

Difficultly flammable polyamide moulding materials
摘要:
The present invention relates to easily processable polyamide moulding materials with very good mechanical and electrical properties based on calcium magnesium carbonate hydrate as the flame-retardant additive.
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