Field glossaryCold expansionThe PEX-a joining method under ASTM F1960, the tube is stretched over the fitting and shrinks to grip itUsed across 2 Anvilfield field guides, most in Plumbing. Where this shows upPlumbingPipe joining methodsPlumbingPEX, copper, and CPVC methods Related termsDielectric fittingSolvent weldErosion corrosionHeat fusion Back to the full field glossary