Teflon? FEP D 121
Perfluoroethylene Propylene Copolymer
DuPont Fluoropolymers
产品说明:
DuPont? Teflon ? FEPD 121 is an off-white aqueous fluorinated ethylene propylene (FEP) dispersion stabilized with a non-ionic
surfactant. It is a general-purpose dispersion that can be used to impart some the unique properties of FEP to end products that would be difficult to make using traditional melt extrusion processes. It can be used to coat or impregnate porous structures or to make thin films. It can be coated and melt bonded to polytetrafluoroethylene (PTFE) resin or used as a hot melt adhesive.
The FEP resin in FEPD 121 is a melt flowable thermoplastic, providing superior properties typical of fluoropolymer resins: retention of properties after service at 204 °C (400 °F) and useful properties at -240 °C (-400 °F).
FEPD 121 aqueous dispersion provides:
inertness to nearly all industrial chemicals and solvents
stability at high temperatures
excellent dielectric properties
excellent weatherability
Typical Applications
Heat-sealable top coatings for PTFE-coated fabrics for belting, circuit boards, architectural fabrics and electrical insulation
Cast film for capacitor dielectrics or chemical barriers
Hot melt adhesive for PTFE, PFA and FEP parts
metal coatings
物性信息:
特性 | 良好的电气性能 耐化学性良好 耐气候影响性能良好 食品接触的合规性 |
用途 | 薄膜 流延薄膜 涂层应用 粘合剂 |
机构评级 | FDA 21 CFR 177.1550 2 欧洲 10/1/2011 12:00:00 AM 2 |
形式 | 分散 |
加工方法 | 浸渍涂布法 |
密度 1 | 1.41 | g/cm? | ISO 12086, ASTM D4441 |
熔流率(熔体流动速率) (372°C/5.0 kg) | 8.0 | g/10 min | ASTM D2116, ISO 12086 |
pH值 | |||
-- | 10.0 | ASTM E70 | |
-- | 10.0 | ISO 1148 | |
固体含量 - % FEP by weight | |||
-- | 55 | % | ASTM D4441 |
-- | 55 | % | ISO 12086 |
平均颗粒尺寸 | 180 | nm | 内部方法 |
布络克菲尔德粘度 | |||
25°C | 25 | mPa·s | ASTM D2196 |
25°C | 25 | mPa·s | ISO 2555 |
Surfactant Content - based on FEP solids | |||
-- | 5.5 | % | ISO 12086 |
-- | 5.5 | % | ASTM D4441 |
熔融温度 | 260 | °C | ISO 12086, ASTM D2116 |