Aperflu 2275 Perfluoroelastomer (FFKM) O-Rings

Aperflu 2275 is our peroxide-cured perfluoroelastomer (FFKM) sealing compound family, engineered for the widest range of aggressive media: hot organic and inorganic acids, caustics, ketones, aldehydes, esters, ethers, alcohols, fuels, solvents, sour gases, steam and hot water. Seals are moulded to any of the 374 AS568 standard sizes with published unit prices.

Aperflu 2275 compound

Aperflu 2275 is our general-purpose peroxide-cured perfluoroelastomer (FFKM) compound, available in three viscosity grades (70–71 Shore A) for continuous service up to 200 °C. All values are typical. Every batch is shipped with an individual certificate of analysis and may differ from the typical values listed here.

Aperflu 2275 — General-purpose perfluoroelastomer (FFKM), service up to 200 °C · Fluorine content 72.7 % · Specific gravity 2.04 g/cm³ · Tg -2 °C · Cure: 1st stage 160 °C × 15 min; post cure 230 °C × 4 h
PropertyTypical valueTest method
Hardness70 – 71 Shore AGB/T 39693.4
Tensile strength21.2 – 21.8 MPaGB/T 528 (dumbbell type 2)
Elongation at break155 – 170 %GB/T 528 (dumbbell type 2)
Compression set, 200 °C × 70 h (25 %, method B)15 – 16 %GB/T 7759.1

Service envelope

CompoundAperflu 2275 – general-purpose perfluoroelastomer (FFKM), three viscosity grades
Continuous service temperatureup to 200 °C
Glass transition temperature Tg-2 °C (GB/T 29611)
Fluorine content72.7 %
Hardness range70 – 71 Shore A
Colour optionsBlack, white, translucent, custom colour on request

Moulded O-ring gallery

Aperflu 2275 FFKM O-ring graphite grey compound, white background
Graphite grey
Aperflu 2275 FFKM O-ring black compound side angle, white background
Black, angle view
Aperflu 2275 FFKM O-ring red compound, white background
Red
Aperflu 2275 FFKM O-ring blue compound, white background
Blue
Aperflu 2275 FFKM O-ring black compound front view, white background
Black, front view
Aperflu 2275 FFKM O-ring green compound, white background
Green

Need this compound in your size?

374 AS568 standard sizes · from USD 1.0 / pc · 1 pc for standard AS568 sizes

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