橡膠
含氟彈性體設計可用於腐蝕性化學環境和高溫環境中的苛刻密封應用,如汽車、航空航天、石油、天然氣及能源市場必須具有高純度和長時間使用壽命的場合,可製成O型環、密封件、墊圈和複雜的模塑部件,可區分為:

Commercial AFLAS®polymers are classified into three types; TFE-P dipolymer type (AFLAS®100 and 150 grades), TFE-P-VdF terpolymer type (AFLAS®200 grade) and TFE-P-CSM terpolymer type (AFLAS®300 grade). AFLAS®100 and 150 grades are high performance fluoroelastomers with excellent base resistance and electricalresistivity due to the polymer structure which is totally different from FKM.
AFLAS®200 has improved lowtemperature properties. AFLAS®300 has improved curability and extrusion processability with its special termonomer. It also gives low die-swell, good dimensional stability of moulded parts and smooth surface finish. Below are the polymer grades currently available. These are mainly classified according to Storage Modulus, G'(as determined by a rubber process analyser) which is representative of molecular weight. Each AFLAS® grade is suited to a particular type of application such as wire insulation and oil seals.
Grade | Mooney Viscosity:* | Application (Cure System) |
---|---|---|
150L | 35 | Linings (Peroxide) |
150E | 60 | Extrusion (Peroxide) |
150P | 95 | General Purpose (Peroxide) |
100S | 160** | General Purpose-High Strength (Peroxide) |
100H | 110** | General Purpose-High Strength (Peroxide) |
150CS | 130 | Extrusion-Wire and Cable (Electron Beam) |
150C | 100** | Extrusion-Wire and Cable (Electron Beam) |
Properties | Result |
---|---|
Hardness(Shore A) | 74 |
Specific gravity | 1.99 |
Tensile strength(MPa) | 24.5 |
100% Modulus(MPa) | 7.5 |
Elongation(%) | 200 |
TR-10(℃) | -4.7 |
Press cure:160℃×20min
Post cure :250℃×4hr