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{"title":"Heat Resistant Large Rubber O Rings , Black Fuel O Rings 101*3.55 High Strength","imgUrl":"https:\/\/img.chinax.com\/nimg\/0b\/a6\/db74839a0b16caf428c954754689-200x200-1\/heat_resistant_large_rubber_o_rings_2c_black_fuel_o_rings_101_2a3_55_high_strength.jpg","attrs":{"Certification":"ISO-9001:2000, ISOTS16949","Place of Origin":"Qingdao, China","Minimum Order Quantity":"500 USD","Payment Terms":"L\/C, T\/T"}}
{"title":"Hydraulic Valve O Rings , Small Cross Section Hnbr \/ EPDM O Ring Oil Seal","imgUrl":"https:\/\/img.chinax.com\/nimg\/33\/07\/adbde1070d11b8bb09652a4fb347-200x200-1\/hydraulic_valve_o_rings_2c_small_cross_section_hnbr_2f_epdm_o_ring_oil_seal.jpg","attrs":{"Certification":"ISO-9001:2000, ISOTS16949","Place of Origin":"Qingdao, China","Minimum Order Quantity":"500 USD","Payment Terms":"L\/C, T\/T"}}
{"title":"Automotive \/ Agricultural O Ring Seal With Silicone FEP \/ PFA Encapsulated","imgUrl":"https:\/\/img.chinax.com\/nimg\/b9\/2a\/78ad1399e4cc5e69c3bae4aa77f4-200x200-1\/automotive_2f_agricultural_o_ring_seal_with_silicone_fep_2f_pfa_encapsulated.jpg","attrs":{"Certification":"ISO-9001:2000, ISOTS16949","Place of Origin":"Qingdao, China","Minimum Order Quantity":"500 USD","Payment Terms":"L\/C, T\/T"}}
{"title":"Large Cross Section Hydraulic Cylinder O Rings , High Pressure O Rings","imgUrl":"https:\/\/img.chinax.com\/nimg\/59\/03\/55448ce3ecf254728126464369e3-200x200-1\/large_cross_section_hydraulic_cylinder_o_rings_2c_high_pressure_o_rings_nonstandard.jpg","attrs":{"Certification":"ISO-9001:2000, ISOTS16949","Place of Origin":"Qingdao, China","Minimum Order Quantity":"500 USD","Delivery Time":"30 days"}}
{"title":"Colored FKM Miniature O Ring Seal For Industrial Machine Circular Shape","imgUrl":"https:\/\/img.chinax.com\/nimg\/b5\/45\/8bfe2b00389aa5d38c9785b42bf5-200x200-1\/colored_fkm_miniature_o_ring_seal_for_industrial_machine_circular_shape.jpg","attrs":{"Certification":"ISO-9001:2000, ISOTS16949","Place of Origin":"Qingdao, China","Minimum Order Quantity":"500 USD","Payment Terms":"L\/C, T\/T"}}
{"title":"Rubber Rectangular O Ring Seal \/ 2 Inch O Ring Gasket Oil \/ Dust Resistant","imgUrl":"https:\/\/img.chinax.com\/nimg\/82\/5d\/4c0afaf373fa2ec65b6afa18bb53-200x200-1\/rubber_rectangular_o_ring_seal_2f_2_inch_o_ring_gasket_oil_2f_dust_resistant.jpg","attrs":{"Certification":"ISO-9001:2000, ISOTS16949","Place of Origin":"Qingdao, China","Minimum Order Quantity":"500 USD","Delivery Time":"30 days"}}
NBR70 O-Ring | O Ring Seal | Oil-Resistant Industrial Seal
Product Description
This FKM Teflon O-Ring, sized 16.00x2.50mm, is a high-performance sealing component built for extreme industrial conditions. Its core is made of FKM 60 (Viton) rubber, which inherently resists temperatures from -20°C to 200°C, while a durable black Teflon (PTFE) coating adds a low-friction, anti-adhesive layer. This dual-layer design creates a robust barrier against fluid and gas leakage, even in environments with aggressive chemicals, high heat, and mechanical wear. The black, one-piece circular structure fits standard seal grooves in chemical reactors, automotive engines, and hydraulic valves, ensuring reliable, long-lasting sealing performance. Combining FKM’s chemical stability with Teflon’s lubricity, it is an ideal choice for critical applications where reliability and longevity are essential.
TECHNICAL PARAMETERS
Category
Details
Product Name
FKM Teflon O-Ring
Part Number
241918756
Size
16.00x2.50mm
Material
FKM 60 (Viton) with black Teflon (PTFE) coating
Color
Black
Core Functions
High-temperature sealing, chemical resistance, wear protection, anti-adhesion
Design Feature
Standard circular cross-section with Teflon coating
Extreme Temperature Resistance: The FKM 60 core maintains sealing integrity from -20°C to 200°C, with short-term tolerance up to 220°C, making it suitable for high-heat industrial processes and automotive exhaust systems.
Superior Chemical Compatibility: FKM rubber resists most acids, alkalis, solvents, and petroleum-based fluids, while the Teflon coating further enhances resistance to aggressive chemicals like strong acids and oxidizing agents.
Low-Friction & Anti-Adhesion: The black Teflon coating reduces surface friction, minimizing wear during dynamic operation and preventing material buildup, which is critical for food, pharmaceutical, and chemical processing equipment.
Enhanced Durability: The dual-layer construction combines FKM’s elasticity with Teflon’s abrasion resistance, reducing compression set and extending service life by 30-50% compared to uncoated FKM O-rings.
Universal Installation: The standard circular cross-section and precise dimensions fit most industrial equipment seal grooves, enabling direct, tool-free replacement without additional machining or customization.
Contamination Protection: The Teflon coating creates a non-stick surface that repels dust, dirt, and debris, ensuring consistent sealing performance even in dirty operating environments.
Applications:
Seals chemical processing reactors, pipelines, and valves to prevent leakage of corrosive media, ensuring workplace safety and process efficiency.
Acts as a high-temperature oil seal in automotive engines, turbochargers, and exhaust systems, protecting lubrication systems from heat and chemical degradation.
Provides dynamic sealing for hydraulic and pneumatic cylinders, reducing friction and wear to maintain pressure stability and component lifespan.
Ensures hygienic sealing in food and pharmaceutical machinery, where the Teflon coating’s non-adhesive properties prevent product buildup and simplify cleaning.
Seals fuel systems in new energy vehicles, resisting the corrosive effects of hydrogen and battery coolants to support reliable operation of electric and hydrogen-powered vehicles.
Protects industrial pumps and compressors from abrasive wear, extending equipment uptime and reducing maintenance costs in heavy-duty manufacturing environments.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
1976
Employee Number:
401~500
Ecer Certification：
Verified Supplier
Company presentation
Qingdao Global Sealing-tec co., Ltd, (Established on the basic of the International Trade Dept. of Qingdao TKS SealingIndustry Co., Ltd). TKS is a leading specialized manufacturer of rubber and plastic sealing products, such as oil seals, valve stem oil seals, PTFE oi... Company presentation
Qingdao Global Sealing-tec co., Ltd, (Established on the basic of the International Trade Dept. of Qingdao TKS SealingIndustry Co., Ltd). TKS is a leading specialized manufacturer of rubber and plastic sealing products, such as oil seals, valve stem oil seals, PTFE oi...
