Stopcock Parts and Components
Chemglass Life Sciences O-Ring, Kalrez 4079, #109
O-Ring, Kalrez 4079, #109. Kalrez 4079 perfluroelastomer combines the elastomeric properties of Viton with the chemical resistance of PTFE. Kalrez 4079 exhibits exceptional thermal stability and is serviceable at long-term temperatures to 316C and intermittent temperatures to 343C. Kalrez 4079 is not recommended for use in sealing applications below -5C.
Chemglass Life Sciences O-Ring, Kalrez 4079, #128
O-Ring, Kalrez 4079, #128. Kalrez 4079 perfluroelastomer combines the elastomeric properties of Viton with the chemical resistance of PTFE. Kalrez 4079 exhibits exceptional thermal stability and is serviceable at long-term temperatures to 316C and intermittent temperatures to 343C. Kalrez 4079 is not recommended for use in sealing applications below -5C.
Chemglass Life Sciences Chemglass O-Ring #243, Simriz 486 FFKM (White), USP Class VI
Chemglass O-Ring #243 is molded from Simriz 486 perfluoroelastomer (FFKM) and supplied white with USP Class VI certification. It combines elastomer resilience with chemical resistance approaching PTFE, making it suitable for aggressive dry-process chemistries and reactive plasma environments.
- Provides broad chemical resistance to aggressive solvents and process chemistries.
- Wide operating temperature range from -7°C to +230°C.
- Hardness: Shore A 75.
- Tensile strength: 2620 psi.
- Certified to USP Class VI for high-purity applications.
- Sold individually (each).
Chemglass Life Sciences O-Ring #218, Simriz 486 FFKM (White) for O-Ring Joints and Vacuum Traps
Perfluoroelastomer O-ring made from Simriz 486 (FFKM) for high-purity laboratory and process applications. White, USP Class VI material provides broad chemical resistance and high temperature performance for demanding environments.
- Made from Simriz 486 FFKM perfluoroelastomer.
- White, USP Class VI high-purity material.
- Provides broad chemical and solvent resistance.
- Resistant to temperatures up to 220°C.
- Suitable for pharmaceutical, semiconductor, and biotech applications.
- Intended for use with O-ring joints and vacuum traps.
- Manufactured in ISO-certified clean room facilities.
Chemglass Life Sciences Simriz 486 FFKM O-Ring, AS568-213 (23.39 x 3.53 mm)
Simriz 486 FFKM O-ring in AS568-213 size is a perfluoroelastomer seal formulated for high-temperature and chemically aggressive environments. The compound delivers low particulation and strong plasma resistance for reliable sealing in dry-process and semiconductor applications.
- Perfluoroelastomer material offers exceptional chemical and solvent resistance.
- White color improves visual inspection during maintenance.
- Maintains elasticity across a wide temperature range; heat resistance up to 220°C and low-temperature glass transition near -7°C.
- Low particulation and plasma-resistant properties suitable for dry-process environments.
- Standard O-ring cross-section dimensions for compatibility with common grooves and housings.
McMaster-Carr High-Temperature High-Purity Silicone O-Ring, 3/32 Fractional Width, Dash Number 110, 50/pk
Even in temperature up to 400° F, these silicone O-rings will bounce back after compression. They have a round profile and are suitable for a wide range of static and dynamic sealing applications. All are sized to the SAE standard AS568.
Chemglass Life Sciences O-Ring, Simriz 486 FFKM Perfluoro, White, Class VI, Size #331
Chemglass CG-309-Z-331 is a perfluoroelastomer O-ring made from Simriz 486 FFKM, sized #331 for laboratory and process sealing applications. The component is white, Class VI, and designed to resist a wide range of aggressive chemicals while operating across a broad temperature range.
- Perfluoroelastomer (FFKM) material for broad chemical resistance.
- White color suitable for high-purity environments.
- Class VI material for biocompatibility and pharmaceutical use.
- Stocked at 75 durometer.
- Service temperature range: -7 to 230 °C.
- Compatible with acids, inorganic bases, alcohols/ethers, aromatic hydrocarbons, esters, aldehydes/ketones, aliphatic hydrocarbons, amines, and chlorocarbon solvents.
Chemglass Life Sciences O-Ring #222, Simriz 486 FFKM (Perfluoro), USP Class VI - Chemglass CG-309-Z-222
O-Ring #222 made from Simriz 486 FFKM (perfluoro) is a high-purity sealing component engineered for aggressive chemical environments and elevated temperatures. It combines elastomer resilience with chemical resistance comparable to PTFE and is manufactured in accredited clean-room facilities for critical process use.
- High chemical and solvent resistance.
- Wide temperature tolerance: -7°C to +230°C.
- USP Class VI certified for biocompatibility.
- Hardness: Shore A 75 for reliable sealing performance.
- Tensile strength approximately 2620 psi for durability.
- Manufactured in ISO-certified clean rooms for purity.
- Sold individually as a single O-ring.
Chemglass Life Sciences Chemglass Perfluoro (FFKM) O-Ring #006 - replacement O-ring for reaction vessels and lids (CG-309-U-006)
Perfluoro (FFKM) O-ring in size #006 designed for demanding chemical sealing applications. This FFKM elastomer provides broad chemical compatibility and thermal stability, making it suitable as a replacement sealing element for reaction vessels, lids, and compatible laboratory fittings. Rated for a wide service temperature range and supplied in a 75 durometer formulation.
- Perfluoro (FFKM) elastomer for superior chemical resistance.
- White color and 75 durometer for consistent sealing performance.
- Service temperature range -7 to 230° C.
- Suitable for acids, inorganic bases, alcohols, ethers, and many organic solvents.
- Available in standardized size #006 for compatible fittings and components.
Chemglass Life Sciences Chemglass O-Ring #113 - Simriz 486 FFKM perfluoro (white), USP Class VI
Chemglass O-Ring #113 is a white perfluoroelastomer (FFKM) sealing ring made from Simriz 486 designed for high-purity, chemically aggressive, and high-temperature environments. It retains elastomeric sealing properties while offering broad chemical resistance and is certified to USP Class VI.
- Perfluoroelastomer (FFKM) construction for broad chemical resistance and elevated temperature performance.
- White, high-purity formulation suitable for contamination-sensitive processes.
- Certified to USP Class VI for biocompatibility and purity.
- Suitable for aggressive chemistries and dry-process applications, including reactive plasmas.
- Provides reliable elastomeric sealing where fluoropolymer-like chemical resistance is required.
Chemglass Life Sciences O-Ring, Perfluoro (FFKM), Size #011, White - Replacement seal for Chemglass fittings and glassware
Perfluoro (FFKM) O-ring, size #011, provides high thermal stability and broad chemical resistance for demanding laboratory sealing applications. Stocked in 75 durometer and suitable for elevated temperatures and aggressive solvents.
- Perfluoro (FFKM) material for superior chemical resistance.
- White color for easy identification.
- 75 durometer for durable sealing performance.
- Service temperature -7 to 230 °C.
- Recommended for acids, inorganic bases, alcohols/ethers, aromatic hydrocarbons, esters, aldehydes/ketones, aliphatic hydrocarbons, amines, and chlorocarbon solvents.
- Sold individually (each) for replacement and maintenance.
Chemglass Life Sciences Simriz SZ486 FFKM O-Ring - AS568-225 (White, 75 Shore A)
Simriz SZ486 perfluoroelastomer (FFKM) O-ring sized to AS568-225. This white, carbon-black free FFKM compound is formulated for broad chemical resistance, thermal stability, and low particulate performance required in pharmaceutical, semiconductor, and biotech sealing applications.
- Perfluoroelastomer material providing broad chemical resistance and thermal stability.
- White, carbon-black free formulation for reduced particulate and contamination.
- 75 Shore A durometer for reliable compression set and sealing performance.
- Wide operating temperature range suitable for steam and plasma processes.
- Suitable for high-purity and aggressive chemical handling in pharmaceutical and semiconductor environments.