Porous polytetrafluoroethylene ( ptfe ) membranes were prepared from ptfe fine powder by a series of mechenical operations such as extrusion , rolling and stretching 摘要通过挤出、压延和拉伸工艺制备了聚四氟乙烯微孔膜。
This paper discussed a new coated fabric used for membrane , which is made by multi axial warp - knitted fabric of the pet fiber reinforcing pvc sheets 研究以涤纶经编多轴向织物为基布、表面复合聚氯乙烯压延薄膜制成的新型可作膜结构材料使用的织物增强柔性复合材料的拉伸性能。
The processing of low temperature plasticity vc / vac copolymer resin as bone fixed materials is : weighing - compounding - extruding to make grain - pressing or injecting molding 医用低温热塑性氯醋共聚树脂外固定材料的加工工艺流程为：配料?共混?挤出造粒?压延成型或注射成型。
Through many years researching with practicing and efforts of staff , we finally successfully developed solar forming roll and put it into producing and sales in 2006 通过多年的实践摸索和潜心研究，结合公司全体员工的共同努力于2006年研制成功太阳能玻璃压延辊，并于当年投入生产销售。
The controlling system adopts dcs controlling system of siemens . it can produces brands pvc resin , of different brands , which is applied in injection , blowing - injection calender and extruding 控制系统采用德国西门子dcs控制系统,可按用户要求生产不同牌号的pvc树脂,应用于注塑吹塑压延和挤出。
Offers cesium metal and compounds , sophisticated zirconium , titanium and barium metal powders , hydrides and metal alloys as well as minor metals for the manufacture of special alloys -钢铁冶炼钢材轧制其他金属冶炼及其压延加工销售，烧结矿焦炭化工产品的生产电子产品机械冶金设备制造。
Basic performances of ptfe dispersion resins , auxiliaries used in moulding processingare are introduced ; primary principles , methods and devices for push processing and extrusion processing are reviewed 摘要介绍了聚四氟乙烯分散树脂的基本性能，加工成型的助挤剂；叙述了推压成型加工和压延成型加工的基本原理、方法、工艺及设备。
Rubber ( plastics ) mixer , mixing mill , calender line , plastics blown film line , multiplayer co - extrusion blown film line ( for heavy package and medical film ) and plastics twin - screw compounding system etc 橡胶（塑料）密炼机、开炼机、压延生产线，塑料吹塑薄膜机组，多层共挤包装膜（重包装、医用膜）机组，双螺杆塑料挤出造粒生产线等。
Exhibits ： rubber ( plastics ) mixer , mixing mill , calender line , plastics blown film line , multiplayer co - extrusion blown film line ( for heavy package and medical film ) and plastics twin - screw compounding system etc 展出内容：橡胶（塑料）密炼机、开炼机、压延生产线，塑料吹塑薄膜机组，多层共挤包装膜（重包装、医用膜）机组，双螺杆塑料挤出造粒生产线等。
The following processes employ pressure to shape the plastic : injection moulding （ 注塑 ） , extrusion （ 挤出 ） , blow moulding （ 吹 塑 ） , rolling （ 压 延 ） , drawing （ 拉 延 ） , bending （ 弯 延 ） , stamping （ 冲压 ） , and all methods of fabrication by machining 下列的加工过程需要压力使塑料成型：注塑，挤出，吹塑，压延，拉延，弯延，冲压，而且这些所有的加工方法都要用机械。
