Considering the range of polymeric compounds used in the various industries we serve, elastomeric materials can be among the most challenging, and sensitive materials when manufacturing products. To ensure materials are capable of surviving a range of performance and operating scenarios, from
Considering the range of polymeric compounds used in the various industries we serve, elastomeric materials can be among the most challenging, and sensitive materials when manufacturing products. To ensure materials are capable of surviving a range of performance and operating scenarios, from
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Elastomers Made for Extreme Environments
Elastomers Made for Extreme Environments
High-Pressure High-Temperature
High-Pressure High-Temperature
(HPHT) environments, Rapid Gas Decompression (RGD), or severe chemical attacks, materials must be compounded and selected after evaluating a range of critical factors prior to the design process.
(HPHT) environments, Rapid Gas Decompression (RGD), or severe chemical attacks, materials must be compounded and selected after evaluating a range of critical factors prior to the design process.
Our depth of experience allows us to produce materials with minimal batch variation and consistent quality. Our molding processes – compression, transfer, and injection – satisfy both low and high-volume production.
Our depth of experience allows us to produce materials with minimal batch variation and consistent quality. Our molding processes – compression, transfer, and injection – satisfy both low and high-volume production.
HEAT, CORROSION AND OTHER POTENTIAL THREATS
HEAT, CORROSION AND OTHER POTENTIAL THREATS
If materials are chosen improperly, bottom-hole temperatures (BHT) escalating to 400°F can pose an immediate threat to the integrity of seal materials, making the application susceptible to failure. Aggressive chemical environments such as hydrogen sulfide, paraffin inhibitors, acids, and bromides accelerate critical component corrosion.
If materials are chosen improperly, bottom-hole temperatures (BHT) escalating to 400°F can pose an immediate threat to the integrity of seal materials, making the application susceptible to failure. Aggressive chemical environments such as hydrogen sulfide, paraffin inhibitors, acids, and bromides accelerate critical component corrosion.
High levels of CO2, methane or other compressible fluids create rapid gas decompression (RGD), one of the leading
High levels of CO2, methane or other compressible fluids create rapid gas decompression (RGD), one of the leading
causes of seal failure.
causes of seal failure.
Therefore, selecting elastomers with the correct resilience and durability is imperative to withstand these harsh environments and maintain operational efficiency.
Therefore, selecting elastomers with the correct resilience and durability is imperative to withstand these harsh environments and maintain operational efficiency.
Elastomer Application Insights
Elastomer Application Insights
NBR (Nitrile Rubber)
NBR (Nitrile Rubber)
Nitrile rubber elastomer is the workhorse of both the fluid power, and oil and gas industries, due to good oil and fuel resistance. NBR compounding is very diverse, due to the variety of polymer types and cure methods available. NBR is a copolymer of acrylonitrile (ACN) and butadiene. A high percentage of ACN reduces swell in oil and fuel. The drawback is that the low temperature service capability is reduced, thus a compromise is required. Sulfur vs. peroxide cure must be evaluated based on service requirements and cost effectiveness.
Nitrile rubber elastomer is the workhorse of both the fluid power, and oil and gas industries, due to good oil and fuel resistance. NBR compounding is very diverse, due to the variety of polymer types and cure methods available. NBR is a copolymer of acrylonitrile (ACN) and butadiene. A high percentage of ACN reduces swell in oil and fuel. The drawback is that the low temperature service capability is reduced, thus a compromise is required. Sulfur vs. peroxide cure must be evaluated based on service requirements and cost effectiveness.
NBR (Nitrile Rubber)
NBR (Nitrile Rubber)
FEPM is a high-performance class of fluorocarbon & olefin co-polymers, the best known being the Aflas® brand of Tetrafluoroethylene Propylene. Compounds of FEPM offer good oil and chemical resistance, along with excellent thermal properties. The notable improvements over FKM polymers for oilfield applications are resistance to strong acids and bases, highly concentrated sour gases, and steam. Newer FEPM-2 polymers based on ethylene, TFE and PMVE offer increased resistance to hydrocarbons.
FEPM is a high-performance class of fluorocarbon & olefin co-polymers, the best known being the Aflas® brand of Tetrafluoroethylene Propylene. Compounds of FEPM offer good oil and chemical resistance, along with excellent thermal properties. The notable improvements over FKM polymers for oilfield applications are resistance to strong acids and bases, highly concentrated sour gases, and steam. Newer FEPM-2 polymers based on ethylene, TFE and PMVE offer increased resistance to hydrocarbons.
HNBR (Hydrogenated Nitrile Rubber)
HNBR (Hydrogenated Nitrile Rubber)
Hydrogenated Nitrile Rubber is a high-performance class of nitrile polymer. Compounds of HNBR retain the oil and fuel resistance of regular nitriles, but also exhibit improved physical and thermal properties. These improvements are the result of reducing or eliminating unstable double bonds in the polymer backbone. This reduction of double bonds or hydrogenation provides improved chemical resistance over regular nitriles.
Hydrogenated Nitrile Rubber is a high-performance class of nitrile polymer. Compounds of HNBR retain the oil and fuel resistance of regular nitriles, but also exhibit improved physical and thermal properties. These improvements are the result of reducing or eliminating unstable double bonds in the polymer backbone. This reduction of double bonds or hydrogenation provides improved chemical resistance over regular nitriles.
EPDM (Ethylene Propylene Diene Monomer Rubber)
EPDM (Ethylene Propylene Diene Monomer Rubber)
Ethylene Propylene Diene Monomer elastomer is used in applications that require good aging properties, such as in heater / radiator hoses, exterior weather, and water seals. In the fluid power industry, EPDM offers excellent resistance to water based hydraulic fluids. In the oil and gas industry EPDM is used in applications involving steam, such as enhanced recovery and geothermal energy. The non-polar structure of the polymer can be altered to give a wide range of properties and uses. The fully saturated form Ethylene Propylene (EPM) must be peroxide cured. A third monomer, diene can be added to the polymer to create EPDM, this facilitates sulfur curing.
Ethylene Propylene Diene Monomer elastomer is used in applications that require good aging properties, such as in heater / radiator hoses, exterior weather, and water seals. In the fluid power industry, EPDM offers excellent resistance to water based hydraulic fluids. In the oil and gas industry EPDM is used in applications involving steam, such as enhanced recovery and geothermal energy. The non-polar structure of the polymer can be altered to give a wide range of properties and uses. The fully saturated form Ethylene Propylene (EPM) must be peroxide cured. A third monomer, diene can be added to the polymer to create EPDM, this facilitates sulfur curing.
FKM (Fluorocarbon Elastomers)
FKM (Fluorocarbon Elastomers)
Fluorocarbon elastomer is a high-performance polymer. Compounds of FKM offer good oil and chemical resistance, along with excellent thermal properties. FKM can be divided into several types based on their chemical composition. Two major types of polymers exist: FKM copolymer of vinylidene (VDF) and hexafluoropropylene (HFP) (Type 1) and FKM terpolymer of VDF, HFP, and tetrafluoroethylene (TFE) (Type 2). The higher fluorine content in the terpolymer offers increased chemical resistance at the expense of low temperature capability and compression set. FKM (Type 3), which offers excellent low temperature flexibility, contains VDF, TFE, and perfluoromethylvinylether (PMVE).
Fluorocarbon elastomer is a high-performance polymer. Compounds of FKM offer good oil and chemical resistance, along with excellent thermal properties. FKM can be divided into several types based on their chemical composition. Two major types of polymers exist: FKM copolymer of vinylidene (VDF) and hexafluoropropylene (HFP) (Type 1) and FKM terpolymer of VDF, HFP, and tetrafluoroethylene (TFE) (Type 2). The higher fluorine content in the terpolymer offers increased chemical resistance at the expense of low temperature capability and compression set. FKM (Type 3), which offers excellent low temperature flexibility, contains VDF, TFE, and perfluoromethylvinylether (PMVE).
FFKM (Perfluoroelastomers)
FFKM (Perfluoroelastomers)
Perfluoroelastomer elastomer is a fully fluorinated high-performance polymer. Compounds of FFKM offer more chemical and thermal aging resistance over traditional FKM and FEPM compounds. Due to the fully fluorinated polymer structure, these polymers offer the broadest chemical resistance of any seal material, except PTFE. Due to the very high material cost of FFKM polymer, use is generally restricted to critical applications.
Perfluoroelastomer elastomer is a fully fluorinated high-performance polymer. Compounds of FFKM offer more chemical and thermal aging resistance over traditional FKM and FEPM compounds. Due to the fully fluorinated polymer structure, these polymers offer the broadest chemical resistance of any seal material, except PTFE. Due to the very high material cost of FFKM polymer, use is generally restricted to critical applications.
Service - FFKM is widely used in oilfield and chemical applications. FFKM resists oil, amines, H2S and CH4, which are encountered in harsh well service. FFKM is recommended for service in acids, bases, hydrocarbons and ozone. FFKM compounds are suitable up to 450°F, while triazine cured FFKM can resist temperature as high as 620°F.
Service - FFKM is widely used in oilfield and chemical applications. FFKM resists oil, amines, H2S and CH4, which are encountered in harsh well service. FFKM is recommended for service in acids, bases, hydrocarbons and ozone. FFKM compounds are suitable up to 450°F, while triazine cured FFKM can resist temperature as high as 620°F.
Together We’re Capable of Almost Anything
Together We’re Capable of Almost Anything
Drive Innovation With a Custom-Engineered Solution
Drive Innovation With a Custom-Engineered Solution
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603A, Building E, Phase II, Xinghe WORLD, Minle Community, Minzhi Street, Longhua District, Shenzhen
603A, Building E, Phase II, Xinghe WORLD, Minle Community, Minzhi Street, Longhua District, Shenzhen
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© 2026 SEALS Products - All Rights Reserved