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high temperature resistance nylon high performance PA11 and PA12 molding process technology
1.PA11 molding process
PA11 processing properties good, combined processing formed film, rod, sheet/plate, tube/pipe and other products.
molding processing front must separation 千燥. drying temperature degree control in 90℃士5℃.
extrusion process conditions lower.
screw engineering plastics extrusion temperature degree: 230℃, 225℃, 220℃, 210℃.
模头 temperature degree: 200℃
2.PA12 molding process
PA12 most large features is low temperature tough property good. can injection molding, extrusion molding.
molding main/primary process
a. drying process drying temperature degree 95℃±5℃, drying time 4~6h.
b. injection molding process molding temperature degree: front 部220~300℃
in 部230~235℃
rear 部240~250℃
模头235~240℃
injection pressure: 40~60MPa
molding cycle: 30~50s
c. extrusion molding process screw extrusion temperature degree:210℃, 230℃, 240℃, 240℃, 235℃.
模头 temperature degree: 220~225℃.
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