Parco

About Us

Founded in 1941, Parco was the first manufacturer to specialize in O-rings, still one of our primary products. Today, Parco has four modern facilities manufacturing O-rings, custom-molded elastomeric seals, rubber-to-metal bonded parts, and machined metal parts. Our 154,000 square-foot facility in Ontario, California is one of the largest plants in the world making molded rubber seals. Our three other facilities in Texas and Louisiana specialize in complex custom-molded elastomeric products, machined metal parts, and machined plastics.

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Automotive & Transportation

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Industrial

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Elastomers

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Flurocarbon 9500-75

Polymer Name:Fluoroelastomer (FKM)
Physical Form:Seals, O-rings
Features:Low Temperature Resistant, High Temperature Resistance, Low Compression Set, Steam Resistant, Chemical Resistant, Cost Effective, Wide Temperature Operating Range, General Purpose, Automotive Fluid Resistant
End Uses:O Rings, General Purpose
Tensile Strength:11.74056 - 11.74056 MPa

Flurocarbon 9500-75 is general-purpose 75-durometer fluorocarbon having excellent resistance to compression set and low cost.

Nitrile 2295-70

Polymer Name:Acrylonitrile Butadiene Rubber (NBR)
Physical Form:Seals, O-rings
Features:Good Mechanical Properties, Low Temperature Resistant, Highly Versatile, Gasoline Resistant, Low Compression Set, Cost Effective, Oil Resistant, Wide Temperature Operating Range, UL Listed, Automotive Fluid Resistant, Enhanced Physical Properties, Excellent Seal Properties
End Uses:Seals, O Rings, Industrial Applications
Tensile Strength:14.62747 - 14.62747 MPa
Color:Black

Nitrile 2295-70 is Resists fuels rich in alcohol better than 4200-70 general-purpose nitrile seals; UL-listed for gasoline, diesel fuel, kerosene, naphtha and alcohol blends with up to 15% ethanol and methanol concentrations, high ACN content for very low swell in fuels; compound not recommended for hot air or ATF.

Flurocarbon 9167-60

Polymer Name:Fluoroelastomer (FKM)
Physical Form:Seals, O-rings
Features:Low Temperature Resistant, High Temperature Resistance, Gasoline Resistant, Low Compression Set, Steam Resistant, Chemical Resistant, Cost Effective, Wide Temperature Operating Range, General Purpose, UL Listed, Automotive Fluid Resistant
End Uses:O Rings, General Purpose
Tensile Strength:11.16869 - 11.16869 MPa
Color:Black

Flurocarbon 9167-60 is fluorocarbon seal designed for low-pressure applications requiring broad chemical resistance at low temperatures. Parco 9167-60 seals are suitable for static applications ranging from -65 to +450°F and dynamic applications ranging from -40 to +450°F.

Nitrile 4200-70

Polymer Name:Acrylonitrile Butadiene Rubber (NBR)
Physical Form:Seals, O-rings
Features:Good Mechanical Properties, Low Temperature Resistant, Highly Versatile, Gasoline Resistant, Low Compression Set, Cost Effective, Oil Resistant, General Purpose, Wide Temperature Operating Range, Automotive Fluid Resistant, Enhanced Physical Properties, Excellent Seal Properties
End Uses:Seals, O Rings, Industrial Applications, General Purpose
Tensile Strength:16.43265 - 16.43265 MPa
Color:Black

Nitrile 4200-70 is nitrile seal ideal for use in a variety of applications.Parco 4200-70 seals are suitable for applications ranging from -35 to +250°F.

Nitrile 4262-75

Polymer Name:Acrylonitrile Butadiene Rubber (NBR)
Physical Form:Seals, O-rings
Features:Good Mechanical Properties, Low Temperature Flexibility, Heat Resistance, Low Temperature Resistant, Highly Versatile, Gasoline Resistant, Low Compression Set, Cost Effective, Oil Resistant, Wide Temperature Operating Range, Low Friction, Automotive Fluid Resistant, High Durability, Enhanced Physical Properties, Excellent Seal Properties
End Uses:Caps, O Rings, Oil/Gas Applications
Tensile Strength:18.98195 - 18.98195 MPa
Color:Black

Nitrile 4262-75 is a excellent compatibility with drilling muds and petroleum oils; withstands service demands of heavy equipment hydraulic systems; Parco’s lowest compression-set, sulfur-cure nitrile.

Nitrile 0209-70

Polymer Name:Acrylonitrile Butadiene Rubber (NBR)
Physical Form:Seals, O-rings
Features:Good Mechanical Properties, Low Temperature Flexibility, Heat Resistance, Low Temperature Resistant, Highly Versatile, Gasoline Resistant, Low Compression Set, Cost Effective, Oil Resistant, Wide Temperature Operating Range, Automotive Fluid Resistant, High Durability, Enhanced Physical Properties, Excellent Seal Properties
End Uses:Seals, O Rings, Industrial Applications
Tensile Strength:16.65313 - 16.65313 MPa
Color:Black

Nitrile 0209-70 is a high ACN content with low plasticizer level provides excellent resistance to petroleum oils, automatic transmission fluid (ATF), and crude oil; formulated as a transfer-moldable variant of Parco general-purpose nitrile 4200-70 for producing thick cross-section custom molded parts; used extensively in oil tool seals and packing elements for pressures to 1,500 psi.

Nitrile 4465-65

Polymer Name:Acrylonitrile Butadiene Rubber (NBR)
Physical Form:Seals, O-rings
Features:Good Mechanical Properties, Low Temperature Flexibility, Heat Resistance, Low Temperature Resistant, Highly Versatile, Gasoline Resistant, Low Compression Set, Cost Effective, Oil Resistant, Wide Temperature Operating Range, Automotive Fluid Resistant, High Durability, Enhanced Physical Properties, Excellent Seal Properties
End Uses:Seals, O Rings, Industrial Applications
Tensile Strength:15.847 - 15.847 MPa
Color:Black

Nitrile 4465-65 is formulated expressly for use in low-temperature aviation fuel systems; low ACN content enables compounds to meet requirements of Aerospace Materials Specification (AMS) 7271, QPL listed, including passing low-temperature fuel seal test at -65°F.

Nitrile 0228-70

Polymer Name:Acrylonitrile Butadiene Rubber (NBR)
Physical Form:Seals, O-rings
Features:Good Mechanical Properties, Low Temperature Flexibility, Low Temperature Resistant, Highly Versatile, Gasoline Resistant, Low Compression Set, Cost Effective, Oil Resistant, Wide Temperature Operating Range, UL Listed, Automotive Fluid Resistant, Enhanced Physical Properties, Excellent Seal Properties
End Uses:Seals, O Rings, Industrial Applications
Tensile Strength:13.25636 - 13.25636 MPa
Color:Black

Nitrile 0228-70 is seal which meets the critical requirements of the motor vehicle industry to ensure vehicle safety and performance.

Flurocarbon 9162-95

Polymer Name:Fluoroelastomer (FKM)
Physical Form:Seals, O-rings
Features:Low Compression Set, Automotive Fluid Resistant, Steam Resistant, Chemical Resistant, Wide Temperature Operating Range, High Temperature Resistance
End Uses:O Rings
Tensile Strength:20.86981 - 20.86981 MPa

Flurocarbon 9162-95 is 95-durometer fluorocarbon having excellent resistance to compression set, and excellent resistance to explosive decompression and extrusion.

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