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2.5mm X 18mm V75 Viton O-ring Black


  • Model: V2.50X018
  • 221 in Stock

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Metric Viton O-rings - Cross Section "CS" X Inside Diameter "ID"

Description: Viton® Fluorocarbon FKM O-rings

Fluorocarbon (or FKM) rubber is a widely used, premium grade compound especially well suited to applications where prolonged exposure to petroleum oils at high operating temperatures is encountered. Such properties make it especially useful in automotive "under-hood" applications. Additionally, FKM is particularly resistant to swell in the highly aromatic, non leaded, additive loaded gasoline mandated by environmental regulations today. Its low temperature deficiencies can be overcome somewhat by special compounding. Fluorine content is generally in the 66% to 70% range. Fluorocarbon rubber is exceptionally resistant to embitterment when exposed to high heat over long periods of time; it is considered to be serviceable indefinitely when exposed continuously to 200°C. The cure system of choice for most fluorocarbon compounds is bisphenol, as it provides the best combination of compression set and improved steam and acid resistance. Diamine and peroxide cure systems can also be employed. Fluorocarbon vulcanizates are very resistant to ozone and and atmospheric aging.


Fluorocarbon Rubber

Physical Properties*

Abrasion resistance
Compression Set
Flame resistance
Gas permeability
Low temperature flexibility
Tear resistance
Tensile strength

Chemical Resistance*

Anhydrous ammonia
Dilute acids
Dilute alkalis
Petroleum oils

Operating Temperature

-15 to 400 °F
*Excellent, good, fair and poor are intended to serve as general guidelines only. Actual testing in the application environment is always recommended.

The O-ring Store is a distributor of O-rings, Seals, Seal Kits, Hydraulic Seals, and Pneumatic seals for many applications. We provide seal products to a variety of industries and customers such as: Automotive, Pool, Spa, Pump, Restaurant, Washer, Hydraulic, Coatings, construction equipment, material handling, industrial plant applications, farming, and logging equipment. We do not imply that these kits are original replacement parts.

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