22151, AST-SEAL™ HD Stainless Steel Pipe Sealant w/PTFE - 50 mL

22151, AST-SEAL™ HD Stainless Steel Pipe Sealant w/PTFE - 50 mL

SKU: 22151

AST-SEAL™HD (Heavy Duty) stainless steel grade is formulated for stainless steel alloy fittings to cure more quickly than standard grade anaerobic. Withstands temperatures from -65° to 400°F (-54° to 204°C) continuous, 500°F (260°C) intermittent. UL Classified. Not for oxygen use.

Pressure Range: Seals to 1,000 psi immediately after application and up to the burst rating of a typical pipe after curing. Will not clog small openings typically found in hydraulic systems.

Features and Benefits:

  • Superior to other anaerobic sealants
  • Prevents vibration loosening
  • Does not clog filters, valves, or gauges
  • Seals pipes including 3" and larger
  • Lubricates and prevents corrosion, seizing, and galling
  • Low-locking strength provides for disassembly
  • Easy adjustment up to 16 hours after assembly
  • Not volatile or flammable
  • DEF (Diesel Exhaust Fuel) Compatible

Applications: Most metal threads, particularly steel and brass, ideal for fittings, pipes, valves, gauges, and connections in hydraulic, pneumatic, lubrication, steam, and refrigerant systems. Inert to most industrial hazards and hydrocarbons (gasoline, diesel fuel, ethanol, etc.), most acids, chemicals, solvents, and gases.

Primer T - fast acting, 7 days on part life.  
Primer N - up to 30 days on part life.

Please call 1-800-991-1106 for 14L Pail price.

Click here to see our video on how to apply this product.


Item Name AST-SEAL™ HD Stainless Steel Pipe Sealant w/PTFE
Style Pipe Thread Sealant
Size 50 mL
Color Off White
Packaging Type Tube
Operating Temperature (Max) 400 ºF 204 ºC
Physical Form Paste
Material PTFE, Anaerobic, UL
Type Thread Sealant
Operating Temperature Range -65 ºF -54 ºC
Temperature Rating -65 to 400 ºF -54 to 204 ºC
Intermittant Temp Rating -65 to 500 ºF -54 to 260 ºC
Pressure Rating (Liquid) -65 to 400 ºF
LOCTITE® Interchange P/N PST 567
Total Height 5.630 in
Total Width 2.250 in
Total Length 1.380 in
Shipping Weight 0.22 lb
Note Aerosol Net Weights may vary without notice due to EPA regulation changes.