Black Swan’s  PTFE Tape - Gray Ghost - China is a clean, self-lubricating tape, which is used to make threaded connections. It offers a positive pressure seal to 10,000 lbs. PSI from a temperature range from -450 F to +500 F. Thickness is .0035 ± .0005.white, smooth, grit-free, homogenized PTFE pipe joint compound. Forms a film of PTFE over the threaded surface for lasting protection against leaks. Will not harden, crack or crumble. Meets Federal Specification TT-S-1732. NSF Certified.
RECOMMENDATIONS
Black Swan’s  PTFE Tape - Gray Ghost - China can be used on threaded pipe, valves, fittings, accessories and controls made from all types of materials including:
| ALUMINUM | GLASS |
| BLACK IRON | MONEL |
| BRASS | NATURAL RUBBER |
| CHROME | PLASTICS |
| COPPER | STAINLESSÂ STEEL |
| GALVANIZED | SYNTHETIC RUBBER |
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CHEMICALLY RESISTANT TO:
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Note: PTFE Tape is not for use on molton alkali, chlorine and fluorine at high temperature and pressure.  Â