
ASTM D 1418 Designation: FFKM
ASTM D 2000, SAE J200 Type / Class: KK
STANDARD COLOR: Black, White
They are resistant to attack by nearly all chemical reagents, including organic and inorganic acids, alkalines, ketones, esters, alcohols, fuels and hot water.
The primary uses for these high performance materials are as O-rings, seals, diaphragms, packings, and other molded parts used in the chemical processing, aerospace, and semiconductor industries.
Thanks to their unique curing chemistry, they can offer a very broad chemical resistance in a wide variety of media including acids, caustics, ketones, aldehydes, esters, ethers, methanol, solvents, sour gases, amines, hydrocarbons, steam, hot water and mixed process streams.
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High Temperature
Grades -
Extreme
Low Temp -
Chemical
Resistant Grades - Semiconductor
- Oil & Gas
- X series Perfluoroelastomer (FFKM) PFR compounds provide a significantly wider operational range and superior compression set resistance than any other perfluoroelastomer. With an upper temperature limit of 300ºC, X series compounds should be selected for the most demanding service conditions.
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Black 70 Shore A |
General Purpose High temperature / Steam Resistance Similar to: Kalrez®4079 Temperature Range : -10°C/+310°C |
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Black 70 Shore A |
High temperature / Chemical resistance Similar to: Kalrez®Spectrum™7075 Temperature Range : -10°C/ +310°C |
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Black 80 Shore A |
High temperature / Steam Resistance Temperature Range : -10°C/ +310°C |
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White 70 Shore A |
High temperature / Chemical resistance / High Purity Food and Pharma Grade USP Class VI /FDA / EC 1935-2004 Temperature Range :-10°C/+310°C |
Helast® 75 BPL is a Perfluoroelastomer (FFKM) specially designed to extend the low temperature capability of perfluoroelastomers down to -40°C. It offers outstanding sealing behaviour in the widest range of aggresive media along with excellent compression set values and best-in-class Low temperature Flexibility.
Download : Datasheet .pdf
- A series Perfluoroelastomer (FFKM) PFR compounds show universal chemical resistance similar to PTFE, but with elastomeric properties. They offer the widest range of aggressive media sealing capabilities along with excellent compression set values.
They are suitable for most applications in temperature ranging from –10 °C to 230 °C, offering outstanding resistance to aggressive media such as acids, caustics, ketones, aldehydes, esters, ethers, methanol, solvents, sour gases, amines, hydrocarbons, steam, hot water, ethylene and propylene oxide and mixed process streams.
Moreover A series Perfluoroelastomer compounds were specifically developed to cope with a wide range of potent active pharmaceutical ingredients (API's) and aggressive cleaning agents, being especially suited to withstand steam-in-place (SIP) and clean-in-place (CIP) procedures.
PFR 80-WH1 Cream 80 Shore A |
Universal Chemical Resistance / Hot Amines>70°C Similar to: Kalrez® Spectrum™ 6380 Temperature Range : -10°C/ +230°C |
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Black 75 Shore A |
Universal Chemical Resistance / Hot Amines>70°C Similar to: Kalrez® Spectrum™ 6375 Temperature Range : -10°C/+260°C |
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Black 70 Shore A |
Universal Chemical Resistance Temperature Range : -10°C/ +230°C |
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White 70 Shore A |
Universal Chemical Resistance USP Class VI / FDA / EC1935/2004 Similar to: Kalrez® 6221 Temperature Range : -10°C/+230°C |
Black 70 Shore A |
Universal Chemical Resistance Temperature Range : -10°C/ +230°C FDA |
PFR 80-WA3 White 80 Shore A |
Universal Chemical Resistance Similar to : Kalrez® 2037 Temperature Range : -10°C/ +230°C |
Helast® Semicon™ BR750
Color : Translucent brown Hardness : 75 Shore A
Applications : Deposition : CVD, PECVD, HDPCVD, PEALD Plasma etch
Remark : Manufactured in Class 100 Cleanroom - Excellent Plasma Resistance. - Ultra-low particle generation in harsh plasma environments. - High purity for minimal contamination risk.
Temperature Range: -30°C/+310°C Similar to: Kalrez® 9100, Chemraz® XRZ
Helast® Semicon™ BE800
Color : Beige Hardness : 80 Shore A
Applications : Deposition : HDPCVD, PECVD, SACVD
Remark : Manufactured in Class 100 Cleanroom Excellent Plasma Resistance Low particle generation in NF3 plasma.
Temperature Range: -30°C/+280°C Similar to: Kalrez® Sahara™ 8085
Helast® Semicon™ WH800Color : White Hardness : 80 Shore A
Applications : Deposition : HDPCVD, PECVD, SACVD Dry plasma etch Dry ashing
Remark : Manufactured in Class 100 Cleanroom Low particle generation Good Plasma Resistance Low Weight Loss in oxygen and fluorine-based plasmas
Temperature Range: -20°C/+230°C Similar to: Kalrez® 2037, Chemraz®513
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PFR 90-BHX Black 90 Sh A |
Explosive Decompression Resistant Grade Norsok M-710 Rev 2 Tested -10°C/ +250°C Similar to Kalrez® 0090 |
"Helast® est une est une marque déposée de Elastotech SA."
"Kalrez® est une marque déposée de E.l. du Pont de Nemours et de ses sociétés affiliées."
"Chemraz® est une marque déposée de Green Tweed."




