FFKM Chemraz 526 O-Ring, Size: -018
Material: FFKM Chemraz 526 O-Ring
Size: AS568 -018 O-Ring
Part Number: GPC526-OR-018
Chemraz® (Greene Tweed)
526
FFKM (Perfluoroelastomer)
95
Shore A
AED NORSOK M710
Anti-Explosive Decompression
Color: Black
Detailed Description
GPC526-OR-018 is a Black, 95 Shore A, FFKM (Perfluoroelastomer) O-Ring made from Chemraz® (Greene Tweed). Chemraz® (Greene Tweed) 526 is manufactured with the following features & specifications: AED NORSOK M710, Anti-Explosive Decompression. GPC526-OR-018 is AS568 size -018 O-Ring also referred to as 1.78mm (Cross Sectional Diameter (CS)) x 18.77mm (Inside Diameter (ID)).
Material: FFKM Chemraz 526 O-Ring
Size: AS568 -018, 1.78mm CS X 18.77mm ID (0.070" CS X 0.739" ID)
| Technical Specification | Value |
|---|---|
| Compound Number | GPC526 |
| Brand | Chemraz® (Greene Tweed) |
| Material | FFKM (Perfluoroelastomer) |
| Color | Black |
| Durometer | 95 Shore A |
| High Temperature | 250 °C / 482 °F |
| Low Temperature | -20 °C / -4 °F |
| Geometry Specifications | |
| Cross Sectional Geometry | O-Ring |
| Size Standard | AS568 |
| Size | -018 |
| Cross Section (CS) | 1.78 mm / 0.070 in |
| Inside Diameter (ID) | 18.77 mm / 0.739 in |
| Other Specifications | |
AED NORSOK M710 | |
Anti-Explosive Decompression | |
Greene Tweed’s Chemraz® 526 is a 97 Shore A black perfluoroelastomer (FFKM) engineered specifically for rapid gas decompression (RGD) resistance in severe oilfield and energy-sector environments. Designed for high-pressure downhole and surface equipment, it provides excellent chemical compatibility and high-temperature stability when exposed to sour gas, acids, caustics, hot water, steam, and aggressive process fluids. With a service temperature range of -20°C to 250°C (-4°F to 482°F), Chemraz® 526 maintains sealing integrity during rapid pressure drops where conventional elastomers experience blistering or cracking. The compound has successfully passed ISO 23936-2 and NORSOK M-710 testing, confirming its suitability for critical RGD and sour gas applications.
Chemraz® 526 is widely used in drilling tools, wireline tools, completion equipment, valves, and pumps operating under extreme pressure and thermal cycling. Its combination of high durometer strength, broad chemical resistance, and proven decompression performance helps extend equipment life and reduce maintenance intervals in demanding oil and gas operations. This FFKM formulation is purpose-built for applications where RGD resistance and long-term durability are essential. Canyon Components offers equivalent FFKM materials designed to meet similar RGD, chemical, and temperature performance requirements for high-pressure sealing environments.
Common relevant keywords:
Chemraz 526, FFKM, Perfluoroelastomer, RGD Resistant Seals, Rapid Gas Decompression Elastomers, Anti-Explosive Decompression Seals, NORSOK M-710 Seals, ISO 23936-2 Seals, Sour Gas Resistant Rubber, High Pressure O-rings, Oilfield Seals, Downhole Sealing Materials, Valve and Pump Seals, High Durometer FFKM, Chemical Resistant O-rings, Energy Industry Seals, Datasheet, TDS, Test Report, MTR, MSDS, SDS