Unkown Oring Material Viton or Nitrile - Looking for test
Unkown Oring Material Viton or Nitrile - Looking for test
(OP)
I am looking to determine what material a particaular oring is made of, either viton (FKM) or nitrile.
I tried heating known samples of nitrile and viton along with the unkown oring to 400° in an oven. To see how each oring reacted to the heat, the known sample of nitrile became quite hard while the others did not.
Although this test is by no means 100% positve I am curoious if there is a test I can conduct to identify the material?
I tried heating known samples of nitrile and viton along with the unkown oring to 400° in an oven. To see how each oring reacted to the heat, the known sample of nitrile became quite hard while the others did not.
Although this test is by no means 100% positve I am curoious if there is a test I can conduct to identify the material?





RE: Unkown Oring Material Viton or Nitrile - Looking for test
Johnny Pellin
RE: Unkown Oring Material Viton or Nitrile - Looking for test
Decomposition
Hazardous decomposition products: Hydrogen fluoride (HF) and perfluorolefins.
If the finish part is used or tested at temperature above 316°C, the surface of the parts may contain HF or HF condensate, which may cause severe burns, some- times with symptoms delayed for several hours. Wear Neoprene or PVC (if tempera- ture is blow melting point of PVC) gloves when handling parts or equipment after exposure to such high temperatures. if condensate is expected, wash equipment and parts well with limewater (calcium hydroxide solution). Discard gloves after handling degrated these parts.
RE: Unkown Oring Material Viton or Nitrile - Looking for test
RE: Unkown Oring Material Viton or Nitrile - Looking for test
Johnny Pellin
RE: Unkown Oring Material Viton or Nitrile - Looking for test
I work with millable urethanes and you can get resilience values from 10% to 60% with different polymers and formulas. So, the tester you're using may work well with one supplier's products, if their resilience values are similar for each rubber type, but I'd be hesitant to use it for testing rubber from other sources.
Tom Jablonowski, TSE Industries, Inc.
www.tse-industries.com
RE: Unkown Oring Material Viton or Nitrile - Looking for test
RE: Unkown Oring Material Viton or Nitrile - Looking for test
more info at http://www.allorings.com/orid.htm
RE: Unkown Oring Material Viton or Nitrile - Looking for test
RE: Unkown Oring Material Viton or Nitrile - Looking for test
RE: Unkown Oring Material Viton or Nitrile - Looking for test
RE: Unkown Oring Material Viton or Nitrile - Looking for test