FAQ | Elastomers
Elastomers FAQs
What is the difference between EP, EPR, and EPDM?Why it is not recommended to apply pressure-sensitive adhesives onto solid EPDM rubber, low durometer (10 to 40 Shore A) Neoprene and Buna-N?
Why is post-cured silicone important for rubber for high temperature gasket applications?
Which gaskets can I use for FDA applications?
Does Phelps have any gaskets that are approved to the NSF 61 for Drinking Water?
Which gaskets work in Flange Isolation Kits?
What is Gasohol, and which gasket materials are good for Gasohol applications?
Can I use painters tape on cork?
What is the recommended Shelf Life for gaskets?
Does Phelps have materials and gaskets that meet USDA requirements?
- What is the difference between EP, EPR, and EPDM?
Related: ElastomersEPR is an abbreviation for Ethylene-propylene copolymer, while EPDM is an abbreviation for Ethylene-Propylene Terpolymer. From a functional standp Read more...
- Why it is not recommended to apply pressure-sensitive adhesives onto solid EPDM rubber, low durometer (10 to 40 Shore A) Neoprene and Buna-N?
Related: ElastomersEPDM compounds often contain certain chemical additives, such as paraffins, which migrate to the surface over time. When this happens, an adhesive bac Read more...
- Why is post-cured silicone important for rubber for high temperature gasket applications?
Related: ElastomersSome silicone rubber compounds utilize curing agents that require a secondary post-cure to finish the curing process. Although most silicones can pass Read more...
- 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...
- Does Phelps have any gaskets that are approved to the NSF 61 for Drinking Water?
Related: Gasket MaterialYes, Phelps carries multiple products suitable for Drinking Water applications. Phelps Style 7100 - Aramid with Nitrile Binder, which is direc Read more...
- Which gaskets work in Flange Isolation Kits?
Related: Gasket MaterialCustomers 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...
- What is Gasohol, and which gasket materials are good for Gasohol applications?
Related: Gasket MaterialGasohol 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...
- 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...
- 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...
- Does Phelps have materials and gaskets that meet USDA requirements?
Related: Food Grade NitrileYes, 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...