Joint sealant is FDA/USDA approved.
0-14 ph. Upon compression, it forms a thin, hard ribbon that fills in surface irregularities and creates an extremely tight seal. Pressure Range: Full Vacuum to 3,000 psi Expanded Joint Sealant PTFE, 1/2” wide x 15' Sterling Seal-1 Spool. range and will not contaminate flow media; Temperature range, -269°c to +315°c (-452°f to +600°f).