Aperflu 2275 FFKM – Technical Data
Typical properties of the Aperflu 2275 peroxide-cured perfluoroelastomer compound family, measured to GB/T methods (equivalent to ASTM). All values are typical. Every batch is shipped with an individual certificate of analysis and may differ from the typical values listed here.
Typical properties
| Property | Typical value | Test method |
|---|---|---|
| Hardness | 70 – 71 Shore A | GB/T 39693.4 |
| Tensile strength | 21.2 – 21.8 MPa | GB/T 528 (dumbbell type 2) |
| Elongation at break | 155 – 170 % | GB/T 528 (dumbbell type 2) |
| Compression set, 200 °C × 70 h (25 %, method B) | 15 – 16 % | GB/T 7759.1 |
Test methods
| Property | Method |
|---|---|
| Fluorine content | GB/T 533 |
| Base polymer specific gravity | GB/T 533 |
| Glass transition temperature Tg | GB/T 29611 |
| Hardness, Shore A | GB/T 39693.4 |
| Tensile strength / elongation | GB/T 528 (dumbbell type 2) |
| Compression set, 25 %, method B | GB/T 7759.1 |
Chemical resistance guide
| Media group | Rating |
|---|---|
| Hot organic & inorganic acids | Excellent |
| Caustics (NaOH up to 50 %) | Excellent |
| Ketones, aldehydes, esters, ethers, alcohols | Excellent |
| Solvents, fuels, hydrocarbons, sour gases | Excellent |
| Steam and hot water | Excellent |
| Amines (high temperature, concentrated) | Good – contact us for grade selection |
| Clean-in-place (CIP) / steam-in-place (SIP) agents | Excellent |
| Active pharmaceutical ingredients (APIs) | Excellent |
Service envelope
| Compound | Aperflu 2275 – general-purpose perfluoroelastomer (FFKM), three viscosity grades |
|---|---|
| Continuous service temperature | up to 200 °C |
| Glass transition temperature Tg | -2 °C (GB/T 29611) |
| Fluorine content | 72.7 % |
| Hardness range | 70 – 71 Shore A |
| Colour options | Black, white, translucent, custom colour on request |
Looking for dimensions and prices? AS568 size chart & prices →