• BOPS片材生产技术
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BOPS片材生产技术

  • 10/01/2018 09:38:07

BOPS片材生产技术 按挤出方式有先混炼后挤出和直接经单一抽气式螺杆挤出两种方式。挤出机螺杆采用大长径比(> 30),以使PS颗粒得到充分熔融。经挤出机熔融的料先经过过滤装置,将其中的杂质异物剔除,并保证较高的背压,使PS料在挤出机得到更好的塑化。过滤装置有板式连…

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