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CP80BK78-OR-3.53X49.21
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CS

0.139 in

(3.53 mm)

ID

1.937 in

(49.21 mm)

ORing cut reference

FFKM Canrez CP80BK78 O-Ring, Size: 3.53X49.21

Material: FFKM Canrez CP80BK78 O-Ring

Size: Metric 3.53X49.21 O-Ring

Part Number: CP80BK78-OR-3.53X49.21

CanRez® (Canyon Components)

CP80BK78

FFKM (Perfluoroelastomer)

80

Shore A

Low Temperature Material

Color: Black

Detailed Description

CP80BK78-OR-3.53X49.21 is a Black, 80 Shore A, FFKM (Perfluoroelastomer) O-Ring made from CanRez® (Canyon Components). CanRez® (Canyon Components) CP80BK78 is manufactured with the following features & specifications: Low Temperature Material. CP80BK78-OR-3.53X49.21 is Metric size 3.53X49.21 O-Ring also referred to as 3.53mm (Cross Sectional Diameter (CS)) x 49.21mm (Inside Diameter (ID)).


Material: FFKM Canrez CP80BK78 O-Ring


Size: Metric 3.53X49.21, 3.53mm CS X 49.21mm ID (0.139" CS X 1.937" ID)

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Technical SpecificationValue
Compound NumberCP80BK78
BrandCanRez® (Canyon Components)
MaterialFFKM (Perfluoroelastomer)
ColorBlack
Durometer80 Shore A
High Temperature250 °C / 482 °F
Low Temperature-32 °C / -26 °F
Geometry Specifications
Cross Sectional GeometryO-Ring
Size StandardMetric
Size3.53X49.21
Cross Section (CS)3.53 mm / 0.139 in
Inside Diameter (ID)49.21 mm / 1.937 in
ORing cut reference
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Canrez® CP80BK78 is an 80 Shore A black FFKM compound engineered for low-temperature sealing applications that require both flexibility and broad chemical compatibility. It provides near-universal chemical resistance and maintains elasticity down to -32°C (-26°F), making it ideal for environments where conventional perfluoroelastomers lose performance. With a service temperature range of -32°C to 250°C (-26°F to 482°F), CP80BK78 offers reliable sealing integrity, low compression set, and minimal outgassing during thermal cycling and chemical exposure. Its formulation ensures consistent performance in both static and dynamic sealing conditions.

 

CP80BK78 is well-suited for low-temperature valves, pumps, and chemical processing systems, as well as oil and gas applications operating under extreme conditions. It resists degradation from aggressive solvents, fuels, and reactive media while maintaining sealing strength in cryogenic and high-temperature environments. This Canrez® formulation combines low-temperature flexibility, chemical versatility, and cost efficiency for durable sealing performance across a wide range of industrial applications. Compare to other popular brands of FFKM materials such as Kalrez® 0040 and Chemraz® 564.