3M 7100039215 | Scotch-Weld PS67 8.5 fl oz White Pipe Sealant

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3M Scotch-Weld Stainless Steel High Temperature Pipe Sealant PS67 is an off-white, fast-curing, paste pipe sealant. Offering high-temperature resistance up to 400ºF (204ºC), this sealant provides a strong, tough seal that can be easily disassembled. It is formulated to resist pressure and vibration for long-lasting durability.

Cures Quickly to Seal Hydraulic and Pneumatic Pipes and Fittings

3M Scotch-Weld Stainless Steel High Temperature Pipe Sealant PS67 is a one-component, anaerobic sealant that cures and seals hydraulic and pneumatic pipes and fittings. This general purpose, paste pipe sealant is fast-curing, sealing almost instantly and withstands high temperatures and pressure. It is designed for disassembly, creating a strong, tough seal that can be later disassembled with ease. This sealant is formulated to resist pressure and vibration as well as lock and seal medium to coarse straight and tapered threads.

Recommended Applications
  • Pressure vessels
  • Air compressors
  • Hydraulic and pneumatic systems
Features of a Rapid Seal

3M Scotch-Weld Stainless Steel High Temperature Pipe Sealant PS67 works on inactive surfaces (such as stainless steel) and provides an almost instant low-pressure seal. A high-pressure seal results when the bond is fully cured. It seals quickly to stop leaks when applied to threads or compression fittings of most metal and certain plastic pipes, without shredding, evaporation or shrinkage. In addition, this sealant prevents galling as well as helps eliminate the waste and mess of leaking hydraulic fluids, oil, fuel and lubricants.

Formulated for Speed and Strength

Offering a rapid seal that withstands heat, pressure and vibration, 3M Scotch-Weld Stainless Steel High Temperature Pipe Sealant PS67 is an excellent solution for fast results. Resilient and durable, this pipe sealant is formulated to produce the strong seal necessary for a wide variety of demanding applications.

Understanding Anaerobic Adhesives

Anaerobic adhesives are uniquely formulated to cure in the absence of oxygen. The term "anaerobic" means "living without air" and when the oxygen is excluded, a chemical chain reaction begins that causes the adhesive to polymerize. Contact with metal speeds the polymerization process and rapidly accelerates the curing process, forming tough cross-linked plastic that provides aggressive adhesion with effective shear strength.

More commonly referred to as thread lockers, pipe sealants, retaining compounds and gasket makers, these adhesives are often used to enhance the seal, or holding force, in the threads of joined fastener systems such as nut-and-bolt assemblies. A nut-and-bolt assembly may have as little as 15% metal-to-metal contact and even a small amount of anaerobic adhesive readily fills any air voids between the threads and then hardens to a thermoset plastic. These unique adhesives are easy-to-dispense, cure rapidly and provide effective torque strength while resisting temperature and vibration and sealing out moisture and gasses to protect against corrosion. Anaerobic adhesives can decrease manufacturing costs, enhance equipment reliability, minimize aftermarket breakdown and reduce warranty claims.


  • Cures quickly to seal hydraulic and pneumatic pipes and fittings
  • Prevents leaks and corrosion in pipes by strengthening bonds between pipe threads
  • Works on inactive surfaces, such as stainless steel, zinc and plated parts
  • Features high temperature resistance to 400ºF (204ºC)
  • Formulated for easy disassembly
  • Designed to resist pressure and vibration, providing long-term durability
Product Specifications
Manufacturer Part Number7100039215
Adhesive TypeAnaerobic
Color FamilyWhite
Container Size (Inch)8.5 fl oz (US)
Container Size (mm)250.0 ml
Flashpoint>=212 Degree Fahrenheit
For Use WithMost High Pressure Hydraulic & Pneumatic Fittings
Full Cure Time24 Hours @ 72 F (22 C)
Maximum Operating Temperature (Celsius)204.0 Degree Celsius
Maximum Operating Temperature (Fahrenheit)400.0 Degree Fahrenheit
Physical FormPaste
Product ColorWhite
Product FormTube
Product NumberPS67
Set Time15 min - 30 min
Storage Temperature72 F (22 C)
Storage Temperature (Celsius)22℃
SubstrateMetal (Unpainted)
Viscosity Range (cps) at Room Temperature350,000-900,000


This product can expose you to materials and/or chemicals including arsenic, lead, and other materials and/or chemicals which are known to the state of California to cause cancer and/or reproductive harm.

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