聚偏氟乙烯(PVDF)是一种半晶态铁电聚合物, 目前，已测得PVDF的晶型有5种。相、β相、γ相、ε

相及ρ相。各种晶体结构的生成取决于加工条件，在一定条件(如拉伸、极化、浇注等处理方法)下，这些晶相

之间可以互相转变。α相是5种晶型中能量低，稳定的结构，PVDF由液态缓慢冷却或由溶液流延形成薄

膜时，通常都形成α相。经过拉伸、电极化后形成的日相PVDF显示出强的压电、热释电性质。PVDF具有较

宽的工作温度范围，其体电阻高、质量轻、柔顺性好，且机械强度高、频响宽。

Arkema Group KYNAR® 9000 HD Polyvinylidene Fluoride - Injection Molding

Polyvinylidinefluoride (PVDF), Molded/Extruded

Arkema

产品说明：

Characteristics: Natural resin - translucent, off-white hemispheres. High stability in harsh thermal, chemical and ultraviolet environments. High toughness and mechanical strength, low permeability, abrasion resistance; high purity

Applications:

• Chemical processing – production, storage and transfer of corrosive fluids

• Electronics – protective sheathing, plenum and wiring insulation

• Semi-conductor industry

• Food stuff and Healthcare industries

• Transportation – fuel line and pipe, thermoformed body components

Information provided by Arkema Inc.

物性信息：