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Author	Topic:   Nylon Injection
LWilbert3700 Junior Member	posted 05-30-2001 11:05 PM             Can I inject a part made of Nylon with a general-purpose screw? IP: Logged
FSD Admin Administrator	posted 06-04-2001 11:37 AM                No, you need a screw with a higher compression ratio of 4:1. IP: Logged
admin2 Junior Member	posted 06-05-2001 11:21 AM                Indeed, high compression screws are necessary due to the dramatic and sudden phase change from solid to melt associated with the hydrogen bonding present in nylon. GP screw typically result in air entrapment and consequently voids in the finished product... IP: Logged
holeycow Junior Member	posted 06-05-2001 02:38 PM             Speaking of Nylon, I'm having considerable screw wear injecting Nylon with 40%fiberglass what screw materials should I be using? IP: Logged
FSD Admin Administrator	posted 06-06-2001 09:16 PM                Cpm-9V heat treated appears to be the material of choice. IP: Logged

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