美国苏威PVDF 720 高纯度 低渗透PVDF

kynar? 720 is a semi-crystalline low molecular weight pelletizedpolymer of vinylidene fluoride. it is a versatile engineeringplastic with an outstanding balance of physical and chemicalproperties which it for high performance service in a widerange of applications. it is a thermoplastic fluoropolymer capableof being fabricated in standard processing e the molecularweight and molecular weight distribution have been carefullytailored to supply a grade suitable for a variety of processingre and end-use applications.kynar? 720 is recommended forfine extrusion operations such as monofilament and thin, flat, andblown film. it is also suitable for injection molding applicationswhere very thin cross-sections for intricate design re melt flow characteristics. kynar? 720 is also suggestedfor coextrusion of composite constructions and as a base for filledor alloyed kynar? compounds.the powder form of this resin grade isavailable as kynar? 721 pvdf.

kynar? 720 物性表

基本信息
黄卡编号

e54699-244848

特性

半结晶

低分子量

用途

blown film

薄壁部件

薄膜

形式

粒子

加工方法

挤出

注射成型

多点数据

isothermal stress vs. strain (iso 11403-1)

secant modulus vs. strain (iso 11403-1)

specific volume vs temperature (iso 11403-2)

viscosity vs. shear rate (iso 11403-2)

物理性能额定值单位制测试方法比重1.77 到 1.79g/cm3astm d792熔流率（熔体流动速率）5.0 到 27g/10 minastm d1238硬度额定值单位制测试方法肖氏硬度(邵氏 d, 23°c)76 到 80astm d2240
机械性能额定值单位制测试方法抗张强度astm d638
屈服, 23°c44.8 到 55.2mpaastm d638断裂, 23°c34.5 到 55.2mpaastm d638伸长率(断裂, 23°c)20 到 100%astm d638弯曲模量(23°c)1380 到 2310mpaastm d790弯曲强度(23°c)58.6 到 75.8mpaastm d790压缩强度(23°c)68.9 到 103mpaastm d695热性能额定值单位制测试方法熔融峰值温度165 到 172°castm d3418