Q. What size expandable plug do I order?
A. It’s very simple; you order the size of whatever inside diameter of hole you are trying to plug. Our expandable plugs are designed to be slightly smaller than the proposed inside diameter.
EXAMPLE: 2 inch diameter hole, you will want to order a 2 inch expandable plug.
Q. How much does your expandable plug expand?
A. Our plugs expand from 8-12%.
Q. Are your expandable plugs pressure rated?
A. No, it is very difficult to give a pressure rating due to the surface you are applying the expandable plug is not known. This surface could be porous and non-porous, free or non-free of debris. We recommend that you do not use for applications 15 PSI or higher.
Q. What is the rubber of the expandable plug made out of?
A. Neoprene Rubber which is an all purpose polymer. Neoprene is NOT recommended for gasoline, oxidizing acids, esters, ketones, chlorinated aromatic and nitro hydrocarbons.
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