PTFE FAQs

• Does Phelps have materials and gaskets that meet USDA requirements?
  Related: Food Grade Nitrile

  Yes, Phelps carries many materials with that are Food Grade and meet the FDA and USDA requirements Phelps Food Grade Nitrile Phelps Food Grade Pac Read more...

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• Does Phelps have any gaskets that are approved to the NSF 61 for Drinking Water?
  Related: Gasket Material

  Yes, Phelps carries multiple products suitable for Drinking Water applications. Phelps Style 7100 - Aramid with Nitrile Binder, which is direc Read more...

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• What are the best gaskets for Monomers?

  Monomers are materials, such as styrene and vinyl chloride, which can combine with themselves and become polymers, such as polystyrene and polyvinyl c Read more...

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• What is Gasohol, and which gasket materials are good for Gasohol applications?
  Related: Gasket Material

  Gasohol is a blend of gasoline with an alcohol— usually 10 - 15% ethyl alcohol. In such applications most rubber gaskets are NOT recommended. F Read more...

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• What do I need to be concerned with when Gaskets are installed in Grooves or recesses?

  Gaskets installed in grooves or tongue and groove flanges require one extra consideration: the compressed height of the gasket must be considered. Thi Read more...

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• Does Phelps provide gasket materials that work with Fuel Additives like MTBE?

  The chemical MTBE (methyl t-butyl ether) has become a very common fuel additive and gasketing compatibility inquiries on this material are frequent. P Read more...

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• Which gaskets can I use for FDA applications?

  There are quite a few classes of materials that are safe for use in Food applications, and thereby FDA compliance. Phelps Style 7205 is F Read more...

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• Which gaskets work in Flange Isolation Kits?
  Related: Gasket Material

  Customers will occasionally ask for a flange insulation or isolation kit or gasket to electrically insulate one flange from the mating flange. Kits ar Read more...

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• Can I use painters tape on cork?

  Yes but be very careful how long you leave the tape on it and carefully remove it because the adhesive on the back on the tape “MAY” damag Read more...

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• What is the recommended Shelf Life for gaskets?

  Please visit Phelps' General Age of Elastomers for detaisl on each type of materials - (non)Elastomers, Graphites, PTFE etc. Read more...

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