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-042 V75 Fluorocarbon FKM O-Ring Teflon Coated


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  • Model: TCV75042
  • 0 in Stock
  • 3-1/4"ID X 3-3/8"OD X 1/16"CS
  • Actual: 3.239"ID X 0.070"CS
  • Metric: 82.27mm ID X 1.78mm CS
  • PDF MSDS Sheet

O-ring Size: 3-1/4"ID X 3-3/8"OD X 1/16"CS

The coatings we sell are the highest quality. Our Teflon™ and color pigments are sized less than 5 mircrons to allow use where other systems cause problems with pumps and filters. The coating is applied in thickness of .0002 to .0006 inches. While many elastomer compounds experience very minimal shrinkage and durometer change during the coating cure process, this is not a problem for most applications. The coating is not designed to provide any chemical advantage not supplied by the base compound nor will it protect the rings themselves from chemical attack. The color imparted on the o-ring is not considered permanent, although it will out last the life of the o-ring in many applications.

Teflon Coated Fluorocarbon FKM O-Rings 75D (Fluorocarbon, FKM)

            A general purpose Fluorocarbon FKM (Fluorocarbon Elastomer) compound rubber has excellent resistance to high temperatures, ozone, oxygen, mineral oil, synthetic hydraulic fluids, fuels, aromatics and many organic solvents and chemicals. Low temperature resistance is normally not favorable and for static applications is limited to approximately –15°F. Under dynamic conditions, the lowest service temperature is between 5°F and 0°F. Gas permeability is very low and similar to that of butyl rubber.

Heat Resistance

  • Up to 400°F (204°C) and higher temperatures with shorter life expectancy.

Cold Flexibility

  • Down to –15°F (–26°C) (some to –40°F (–40°C)).

Chemical Resistance

  • Mineral oil and grease, low swelling in ASTM oil No. 1, and IRM 902 and IRM 903 oils
  • Hydraulic Oil
  • Non-flammable hydraulic fuels in the group HFD
  • Silicone oil and grease
  • Mineral and vegetable oil and grease
  • Aliphatic hydrocarbons (fuel, butane, propane, natural gas)
  • Aromatic hydrocarbons (benzene, toluene)
  • Chlorinated hydrocarbons (trichlorethylene and carbon tetrachloride)
  • Chlorine Water
  • Gasoline, Fuels, also fuels with methanol content
  • High vacuum
  • Very good ozone, weather and aging resistance.

Not Compatible With:

  • Glycol based brake fluids
  • Ammonia gas, amines, alkalis
  • Brake Fluid
  • Acetone
  • Superheated steam
  • Low molecular organic acids (formic and acetic acids)
  • Methyl Ethyl Ketone