| Selection Guide for Elastomer Materials |
| Temperature Resistant Fluororubber Series |
| Rubber Compound Grade | Color | Temperature Range (℃) | Recommended Maximum Temperature (℃) | Hardness (Shore A) | Tear Strength (MPa) | Elongation at break (%) | Tear Strength (KN/M) | Compression Permanent Deformation (%) | Medium Resistance | Significant Characteristics of Polymeric Elastomeric Materials | Typical Applications |
| CH-FF7521 (Perfluoroether Rubber) | Standard color: black | 315℃～-10℃ | 315 | 75±5 | ≥15.0 | ≥120 | ≥30.0 | <=30 | Resistant to gases: CH4, H2, N2, CO2, C2H6, C3H8, H2S, butane, etc., resistant to all corrosive media (except high fluorocarbon solvents) | High temperature resistance range, oil resistance, aging resistance, and chemical solvent erosion, low pressure variation | Axial Flow Compressor Stationary Blade Stem Seal |
| CH-FF7530 (Perfluoroether Rubber) | Standard color: black | 250℃～-10℃ | 250 | 75±5 | ≥13.0 | ≥120 | ≥30.0 | <=30 | Resistant to gases CH4, H2, N2, CO2, C2H6, C3H8, H2S, etc., resistant to all corrosive media (except high fluorocarbon solvents), excellent resistance to acid and alkali. | Excellent resistance to acids, alkalis, and amines, particularly suitable for use in mixed media, low gas permeability. | DMC Circulating Gas Compressor Unit |
| CH-D-0075 (Low-Temperature Perfluoroether Rubber) | Standard color: black | 260℃～-45℃ | 260 | 75±5 | ≥15.0 | ≥100 | ≥30.0 | <=30 | Resistant to gases CH4, H2, N2, CO2, C2H6, C3H8, H2S, etc., resistant to all corrosive media (except high fluorocarbon solvents), excellent resistance to acid and alkali. | Excellent resistance to high and low temperatures, can withstand corrosive media such as acids and alkalis, particularly suitable for use in ultra-low temperature environments. | |
| CH-VT7303 (High Fluorine Rubber) | Standard color: black | 280℃～-10℃ | 250 | 75±5 | ≥12.0 | ≥150 | ≥20.0 | <=30 | Resistant to gases: CH4, H2, N2, CO2, C2H6, C3H8, H2S, butane, etc., resistant to acid and alkali corrosion, etc. | High strength, high temperature resistance, oil resistance, anti-aging, etc., good air tightness | EBZ45-4+4 |
| CH-F401C (Fluororubber) | Standard color: black also available in custom colors | 250℃～-10℃ | 235 | 70±5 | ≥10.0 | ≥150 | ≥20.0 | <=35 | Resistant to gases: CH4, H2, N2, CO2, C2H6, C3H8, H2S, butane, etc., butane and unburned kerosene, resistant to acid and alkali corrosion, etc. | Fuel oil resistance, high temperature resistance, chemical corrosion resistance, good air tightness, low pressure variation performance. | EBZ35-3+3, EB45-8, RBZ45-7 Thrust Bearing, Platinum Thermal Resistors, etc., AI5600 Energy Efficiency Improvement Retrofit, EBZ45-3+3, MPG12 (MPG80) Efficiency Improvement Retrofit, EG150/AII5600 Unit Maintenance, CNOOC (China) Donghai West Lake Oil and Gas Operation Company, AV71-15, RBZ45-7 On-site Maintenance, EB35-6, EZ45-4+5 (High Pressure Cylinder), EB35-1, EB35-2, etc. |
| CH-NS7001 (Fluororubber) | Standard color: black also available in custom colors | 240℃～-20℃ | 240 | 70±5 | ≥12.0 | ≥150 | ≥20.0 | <=35 | Can withstand high temperature steam environment of 200°C, resistant to strong acid and alkali corrosive media, etc. | High temperature resistance to steam (200°C), good performance with strong acids and alkalis | EGV112-1, Drawing Number: 261069 |
| CH-F7566 (Fluororubber) | Standard color: black | 250℃～-10℃ | 235 | 70±5 | ≥10.0 | ≥150 | ≥20.0 | <=35 | Resistant to gases: CH4, H2, N2, CO2, C2H6, C3H8, H2S, butane, etc., butane and unburned kerosene, resistant to acid and alkali corrosion, etc. | Fuel oil resistance, high temperature resistance, chemical corrosion resistance, low gas permeability, low pressure variation performance | EB35-7 |
| Explosion-proof (RGD) Rubber Series Certified to NORSOK M710 Explosion Resistance Standard CH4/CO2 90/10 |
| Rubber Grade | Color | Temperature Range (℃) | Recommended maximum temperature (℃) | Hardness (Shore A) | Tensile Strength (MPa) | Tensile Elongation Rate (%) | Tear Strength (KN/M) | Compression Permanent Deformation (%) | Resistant to media | Significant characteristics of polymer elastomeric materials | Typical Applications |
| CH-F-9007 (Explosion-proof Perfluoroether Rubber) | Standard color: black | 280℃～-20℃ | 325 | 90±5 | ≥18.0 | ≥100 | ≥30.0 | <=30 | Resistant to gases CH4, H2, N2, CO2, C2H6, C3H8, H2S, etc., resistant to all corrosive media (except high fluorocarbon solvents), excellent resistance to acid and alkali. | Can withstand high temperatures, high pressure dynamic and static seals, with excellent sealing retention capability, good anti-burst performance, can withstand higher temperatures in the short term. | Drawing Number: 261112 |
| CH-F-9001 (Explosion-proof Fluororubber) | Standard color: black | 250℃～-10℃ | 235 | 90±5 | ≥15.0 | ≥150 | ≥20.0 | <=30 | Resistant to gases: CH4, CO2, H2S, butane, natural gas, etc., and resistant to acid and alkali corrosion, etc. | Has the characteristic of rapid gas decompression resistance, peroxide system vulcanization, excellent mechanical properties, acid and alkali resistance, chemical medium resistance, good air tightness, resistance to water vapor | State Grid Gansu Branch, Ningxia Branch, Central China Company |
| CH-F-9002 (Explosion-proof Fluororubber) | Standard color: black also available in custom colors | 250℃～-10℃ | 235 | 90±5 | ≥15.0 | ≥150 | ≥20.0 | <=25 | Resistant to gases: CH4, CO2, H2S, butane, natural gas, etc., and resistant to acid and alkali corrosion, etc. | Has the characteristic of rapid gas decompression resistance, fluorine rubber, with low pressure variation, high temperature resistance, media resistance, weather resistance, etc. | State Grid Gansu Branch, Ningxia Branch, Central China Company |
| CH-F-9005 (Explosion-proof Fluororubber) | Standard color: black | 250℃～-10℃ | 235 | 90±5 | ≥15.0 | ≥150 | ≥20.0 | <=25 | Resistant to gases: CH4, CO2, H2S, butane, natural gas, etc., and resistant to acid and alkali corrosion, etc. | Has the characteristic of rapid gas decompression resistance, good pressure bearing capacity, high strength, high hardness, oil resistance, anti-aging, etc., good air tightness | State Grid Gansu Branch, Ningxia Branch, Central China Company |
| CH-HB-HD904 (Explosion-proof Hydrogenated Nitrile Rubber) | Standard color: black | 175℃～-30℃ | 150 | 80±5 | ≥17.0 | ≥120 | ≥30.0 | <=30 | Resistant to gases: N2, H2, H2O, NO, NO2, N2O4, CH4, C2H6, H2S, butane, natural gas, etc., resistant to acid and alkali corrosion, etc. | Has the characteristic of rapid gas decompression resistance, peroxide system vulcanization, high strength, resistance to H₂S, CO₂ gases, fuel oil resistance, cold resistance, corrosion media, and oil additives | State Grid Gansu Branch, Ningxia Branch, Central China Company |
| CH-HB-HD905 (Explosion-proof Hydrogenated Nitrile Rubber) | Standard color: black | 175℃～-30℃ | 150 | 90±5 | ≥17.0 | ≥120 | ≥30.0 | <=30 | Resistant to gases: N2, H2, H2O, NO, NO2, N2O4, CH4, C2H6, H2S, butane, natural gas, etc., resistant to acid and alkali corrosion, etc. | Has the characteristic of rapid gas decompression resistance, high strength, fuel oil resistance, cold resistance, corrosion media, and oil additives | State Grid Group United Pipeline Co., Ltd. West-East Gas Pipeline Gansu Gaoling Maintenance Station |
| High-Temperature Resistant Silicone Resin Series |
| Rubber Grade | Color | Temperature Range (℃) | Recommended maximum temperature (℃) | Hardness (Shore A) | Tensile Strength (MPa) | Tensile Elongation Rate (%) | Tear Strength (KN/M) | Compression Permanent Deformation (%) | Resistant to media | Significant characteristics of polymer elastomeric materials | Typical Applications |
| CH-F6335Q (Fluorosilicone Rubber) | Standard color: red also available in custom colors | 200℃～-60℃ | 200 | 60±5 | ≥6.0 | ≥100 | ≥6.0 | <=35 | Resistant to gases: N2, O2, H2O, NO, NO2, N2O4, CH4, C2H6, H2S, butane and unburned kerosene, etc. | Good resistance to high and low temperatures, fuel oil resistance, aging resistance, low pressure variation, etc. | EGV80-1, EGV63-1 Steam Compressor Unit On-site Maintenance, AV71-15, AV71-16BPRT, etc. |
| CH-S495U (Silicone Rubber) | Standard color: red also available in custom colors | 250℃～-65℃ | 230 | 55±5 | ≥5.0 | ≥120 | ≥6.0 | <=50 | Resistant to gases: air, N2, H2, H2O, NO, NO2, N2O4, CH4, etc. | High tear resistance, high temperature resistance, heat aging resistance, good low temperature resistance, good air tightness | RE56-1, E63-3, EH100-1, ES45-2+4 Synthetic Ice Machine Energy Saving Retrofit, E45-4 (Low Pressure Cylinder), EZ45-4+5 (High Pressure Cylinder), ES63-2+2, EZ63-4+4, Zhenhua Petrochemical Co., Ltd., EZ100-3+4 (High Pressure Cylinder), ED125-3+3 (Low Pressure Cylinder), EBS45-8+1 Rotor Cylinder Maintenance, Compressor Maintenance Spare Parts, AV56-12 Optimization Retrofit, AV63-14 Stage Addition Retrofit, AV140-18, AV90-6, AV80-15, AV50-15, AV50-12+1 Retrofit to AV50-15, AV80-16BPRT, AV50-18, etc. |
| CH-G65Q (Vapor Phase Silicone Rubber) | Standard color: red also available in custom colors | 250℃～-75℃ | 230 | 60±5 | ≥5.0 | ≥100 | ≥6.0 | <=50 | Resistant to gases: air, N2, H2, H2O, NO, NO2, N2O4, CH4, etc. | High temperature resistance, heat aging resistance, good low temperature resistance, low pressure variation | Shaanxi Blower (Yulin) Energy Power Remanufacturing Co., Ltd. |
| Low-Temperature Resistant Silicone Resin Series |
| CH-BCG6580 (Polyphenylene Silicone Rubber) | Standard color: red | 200℃～-110℃ | -90 | 60±5 | ≥4.5 | ≥100 | ≥5.0 | <=50 | Resistant to gases: air, N2, H2, H2O, NO, NO2, N2O4, CH4, etc., resistant to irradiation | Excellent low temperature resistance performance (brittleness temperature -95°C), resistance to gamma radiation, etc. | Propane Dehydrogenation Ethylene Compressor Unit |
| Metal Seals (Suitable for Sealing at Temperatures Above 350°C) |
| GH3044 (Metal Seal) | None | 500℃～-270℃ | 500 | Non-standard cross-section can be customized to other shapes according to user requirements | | | | | Resistant to acid, alkali, supercritical steam | Low leakage rate, ultra-high pressure, radiation resistance, long life | Drawing Number: 261112 |
| Spring Energy Accumulation Ring Seals (Suitable for Extreme Sealing in High Temperature, High Pressure, and Complex Conditions) |
| Name | Sealing structure | Seal Design | Temperature range (℃) | Bearing Pressure (MPa) | | Spring Load | Jacket Material | Spring Material | Characteristics | | |
| CH-P1000+Hsp | ![]() | Radial Seal Face Seal | -150℃～260℃ | 20 | | Medium High | PTFE | 316 Stainless Steel | General design in static seals is a reliable sealing form for severe conditions, very suitable for sealing light gases and vacuum. It can be used in low-speed dynamic conditions with little friction, and also applicable for ultra-low temperature sealing of liquid oxygen and liquid nitrogen. | | State Grid Gansu Branch, Ningxia Branch, Central China Company, CNPC |
| CH-PG2000+Hsp | ![]() | Radial Seal Face Seal | -150℃～260℃ | 40 | | Medium High | Modified PTFE | 316 Stainless Steel | It performs well in high-temperature equipment, with a certain clearance, and is suitable for shaft and piston seals with pressure below 40MPa. The extended tail can prevent extrusion failure caused by groove clearance, acting similarly to a retaining ring. | | State Grid Gansu Branch, Ningxia Branch, Central China Company, CNPC |
| CH-PM400+Elgiloy/Hastelloy | ![]() | Radial Seal Face Seal | -196℃～300℃ | 55 | | High | Modified PCTFE | Imported High-Temperature Alloy | Possesses the characteristics of 316 stainless steel springs, while also having superior resistance to high and low temperatures, and pressure performance. | | CNPC, Sinopec |
