EPDM (三元乙丙橡胶)对水、酸类、碳类、盐溶液、磷酸脂、丙酮及乙醇有
优异的抵抗性，此外，对臭氧和蒸汽也一样。
EPDM has excellent resistance, for water, acid, carbon, salt solution,
phosphate ester, acetone and ethanol, in addition, ozone and steam.
指标Data specification:
执行标准Standard: FDA21 CFR177.2600
工作温度Working temperature:-20℃～130℃
工作压力Working pressure: Max. 0.6MPa
设计寿命Design life:＞300.000次time/25℃
隔膜材料：Diaphragm material : New module 新型EPDM
隔膜规格Diaphragm size:DN8-DN80
由具有改性的三元乙丙橡胶制造而成Be made by modified EPDM
聚合物材料用高强度织造材料粘合以确保最大的强度和耐久性
Polymer material with high intensity weaving materials to ensure biggest strength and durability
使用了最新的硫化技术Adopt the latest vulcanization technology
提高了用于蒸汽时的使用寿命和弯曲次数Improved service life and bending times for steam medium
隔膜片使用寿命更加持久，提高了可靠性The diaphragm slices life-span; improve the reliability of more durable
KST-PTFE (+EPDM支持片)双层隔膜片是国际上使用于卫生隔膜阀门上的高标准隔膜片形式，是满足频繁使用SIP灭菌的生产工艺的最可靠产品；
广泛用于血液制品、疫苗、生物制药、大/小容量注射剂、无菌生产、发酵、注射用水供应及分配回路上等领域。双层隔膜片上的EPDM支持片，
除了起着保护与产品接触PTFE片的作用外，还能加强PTFE片的密封效果。PTFE隔膜片配上EPDM支持片一起使用，其可靠性及使用寿命都达到
最佳水平。
KST-PTFE (+EPDM) double diaphragm is used on the international standards of sanitary diaphragm valve, is a frequent use of the
 production process of SIP sterilization; is the most reliable product, Widely used in blood products, vaccines, biopharmaceuticals,
big/small size injection, aseptic production, fermentation, supply and distribution circuit and so on, EPDM support on Double diaphragm
protect and product contact with PTFE, besides can strengthen PTFE sealing effectiveness. PTFE diaphragm with EPDM, its reliability
and service life is to achieve the best level.
1-机械性质

指标Data speciation:
执行标准Standard:FDA21 CFR177.1550
工作温度Working temperature:-20℃～150℃
工作压力Working pressure: 最大Max. 0.6MPa
设计寿命Design life:＞1.000.000次/25℃
隔膜材料Diaphragm material:
新型改性的乙丙橡胶New module modified PTFE
隔膜规格Diaphragm size：DN8-DN80

2-耐蠕变性

性能特点Capability feature:
优异的耐蠕变和耐压性能
Excellent Creep-Resistant and compression-proof performance
优异的热机械性能
Excellent thermal mechanical performance
优异的弯曲寿命Excellent bending life
结构密致，无气孔Compact structure, without porosity
表面光滑不残留Smooth surface not residue
突出的使用寿命Increasing service life

3-气体药液渗透性

条件：基于ASTMD4894
包装：每一片隔膜片作单独密封包装，保持洁净，金属连接件有塑料套
包裹，避免隔膜片在运输或拿弄时受损伤。
Packing: Individually sealed teabags each diaphragm, keep cleaning,
and metal fittings use plastic package, avoid the diaphragm damage in
transportation or take out wrong.