.103'' (2.62mm) Fluorocarbon FKM/Viton 75 O-Ring Cord Stock, 25' Piece, Black


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  • Model: V75.103/25
  • 1 in Stock
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O-Ring cord stock to make your own O-rings and gaskets.

Fluorocarbon, Fluorocarbon FKM O-Rings (FKM) 75 Durometer, Black

FKM (or Fluorocarbon) also known as Fluorocarbon FKM, a registered trademark of The Chemours Company, works for almost every application. It can withstand temperatures from -20-degrees F up to 400-degrees F. The relatively high level of fluorine in Fluorocarbon FKM materials allows for exceptional resistance to chemical attack, but with limited low temperature capabilities. It has a good resistance to ozone, high temperatures, oxygen, mineral oil, synthetic hydraulic fluids, fuels, aromatics and many organic solvents and chemicals.

Operating temperature: -20° to +400F°

How to calculated O-Ring cord length needed:

( ( OD + ID ) / 2 ) x Pi = length Pi=3.14159

Inside Diameter (ID) = Outside Diameter (OD) - twice the cross section (C/S)
ID = OD - (2 x C/S)

Make your own O-rings with O-ring Cord and O-ring Glue. How To Make an O-ring:

To calculate the correct length of cord required, (( OD + ID ) / 2 ) x Pi = Length. This will then give the correct length of cord required. Using the splicing aid and a very sharp knife. make a cut in the material at a right angle. All surfaces to be glued must be free of oil or grease. Avoid touching the surfaces. A thin layer of Cyanoacrylate Adhesive O-ring Glue should be spread over one side of the cut. A thin layer provides the best results. In order to join the two sides cleanly, use the V section on the splicing aid. Match both surfaces together and press firmly for 15 seconds. The glue must dry for 60 seconds before mounting the O-ring.

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