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Stopcock parts and components give stopcocks a wider range of uses. Stopcock plug assemblies are also produced to replace parts in existing lab equipment. Plastic replacement stopcock parts and components, when paired with a stopcock, are often used in conjunction with separatory funnels, Schlenk flasks and burettes.
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Chemglass O-Ring #014 (CG-309-Z-014) is a white perfluoroelastomer (FFKM) sealing element formulated with Simriz 486 and certified to USP Class VI. It is designed for demanding, chemically aggressive dry process environments, including reactive plasmas, where broad chemical resistance and purity are required.
Perfluoroelastomer (FFKM) construction for broad chemical resistance.
Certified to USP Class VI.
White color for easy visual inspection.
Suitable for aggressive dry process chemistries, including reactive plasmas.
Intended for use in high-purity and vacuum process sealing applications.
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This high-purity perfluoroelastomer O-ring (size #019) is designed for demanding laboratory sealing applications where broad chemical resistance and high temperature stability are required. It is formulated from a perfluoroelastomer compound and supplied in a white, Class VI material.
Material: perfluoroelastomer (FFKM)
Color: white
Durometer: 75 (unless otherwise noted)
Effective service temperature range: -7 to 230° C
Suitable for acids, inorganic bases, alcohols/ethers, hydrocarbons, esters, aldehydes/ketones, amines, and chlorocarbon solvents
Common uses: laboratory O-ring joints and vacuum traps
Certification: Class VI biocompatibility (as listed for the series)
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Simriz 486 FFKM O-ring (AS568-022) is a white perfluoroelastomer seal designed for ultra-clean and chemically aggressive environments. It provides high thermal stability, excellent chemical and plasma resistance, and low particulate generation for semiconductor and pharmaceutical applications.
High chemical and temperature resistance.
Low particulation for clean processing environments.
White, carbon-black free formulation suitable for pharmaceutical and semiconductor use.
75 Shore A hardness for resilient sealing performance.
Standard AS568 profile for interchangeability and easy replacement.
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Chemglass CG-309-B-112 is a perfluoroelastomer (FFKM) O-ring intended for high chemical resistance and elevated-temperature sealing applications. The ring is size #112 and is supplied black; it is suitable as a replacement seal for laboratory fittings and components exposed to aggressive chemicals and heat.
Material: Perfluoroelastomer (FFKM).
Size: #112.
Color: Black.
Hardness: 75 Shore A.
Temperature range: -7°C to +230°C.
Tensile strength: 2690 psi.
Packaging: Sold individually (each).
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Chemglass O-Ring CG-309-Z-016 is an AS568 #-016 size perfluoro (FFKM) O-ring molded from Simriz 486 material and supplied in white with Class VI cleanliness. It is intended for reliable sealing in laboratory glassware and vacuum joint applications, including use in demanding chemical and semiconductor environments.
Provides broad chemical resistance.
Offers high temperature stability for demanding processes.
White color supports visual cleanliness checks.
Suitable for vacuum joints and laboratory glassware seals.
Class VI cleanliness suitable for pharmaceutical or semiconductor use.
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O-ring made from a high-purity perfluoroelastomer compound designed for laboratory sealing applications. Size #007, white color, and USP Class VI certification make this part suitable for aggressive dry process chemistries and reactive plasma environments.
High-purity perfluoroelastomer material.
White color for visual inspection.
Certified to USP Class VI.
Resistant to a wide range of chemicals and solvents.
Heat resistant to 220°C.
Suitable for aggressive dry process chemistries and reactive plasma applications.
Manufactured in ISO-certified clean-room facilities.
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Chemglass O-ring CG-309-B-110 is an AS568-110 size perfluoroelastomer (FFKM) sealing ring made from Simriz 485 material. It provides broad chemical resistance and elevated-temperature sealing for laboratory reaction vessels, reactors, and lids.
Perfluoroelastomer (FFKM) material for broad chemical resistance.
AS568-110 size for standard O-ring grooves.
Black color for visual identification.
Suitable for high-temperature laboratory sealing applications.
Used to seal reaction vessels and lids.
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Markez® Z1028-018 is a 75 durometer, black, FFKM Perfluoroelastomer o-ring. This product is a USA AS568-018 size and has a cross section of 1.78mm (0.070in) and an inside diameter of 18.77mm (0.739in). It is made from the compound Markez® Z1028. See compound features below
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Perfluoro (FFKM) o-ring, white, size #331, engineered for high chemical and thermal resistance in laboratory glassware seals and o-ring joints. Suitable for demanding chemical environments where broad solvent compatibility and elevated service temperature are required.
Perfluoro (FFKM) material for superior chemical resistance.
White color for clear identification.
Effective service temperature range: -7 to 230° C.
Compatible with acids, inorganic bases, alcohols/ethers, hydrocarbons, esters, aldehydes/ketones, amines, and chlorocarbon solvents.
Designed for o-ring joints and seals in laboratory glassware and reaction vessels.
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Replacement perfluoroelastomer O-ring made from Simriz 486 FFKM. Size #122, white, and certified to Class VI. Intended as a spare sealing element for drain valves, stems, control knobs, and reaction vessel lids.
Perfluoroelastomer (FFKM) material for broad chemical resistance.
White color for visual identification.
Class VI biocompatibility certification.
Fits O-ring size number 122.
Used as a replacement sealing element for drain valves and reaction vessel lids.
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This O-Ring is a quality spare part designed for robust performance in demanding applications. It is made from Perlast material and is manufactured to BS006 size specifications, supplied in a convenient pack of 5 for easy replacement.
O-Ring for reliable sealing
Constructed from Perlast material
BS006 size
5 units per package
Suitable for MS system types
Recommended replacement as required
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Steam autoclavable to 140 degreesC.All pouring rings are polypropylene except for the CLS-1482-30 which is made of high temperature ETFE (Ethylene Tetrafluoroethylene); max temp is 180 degreesC.
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