Deacon 375-OX & 375-OXP PTFE Injectable Sealant / Packing – Oxygen / Chlorine

What is the Deacon 375-OX & 375-OXP PTFE Injectable Sealant / Packing – Oxygen / Chlorine?

375-OXP is a thinner paste version. Certified at NASA White Sands Test Facility: NASA-STD-6001 (ASTM D 2512) Compatibility of Materials with Liquid Oxygen ASTM G 72-82 Auto Ignition Temperature Determination in High Pressure Oxygen (AIT TEST) Oxygen / Chlorine Grade | Non-curing, 100% PTFE (fibers, fillers and particles), Non-reactive synthetic carrier, Dense putty consistency, White color. High fiber concentration for good bridging. Excellent resistance to oxygen, chlorine, chemicals, oxidizers, solvents, and acids. NOTE: DO NOT INJECT WITH ANY POSSIBILITY OF CONTAMINATION FROM HYDRAULIC FLUID. Shelf-life is 2 years in closed containers.

What are the specifications of the 375-OX & 375-OXP PTFE Injectable Sealant / Packing – Oxygen / Chlorine?

• Service Rating -50ºF to 400ºF (-45ºC to 204ºC)
• Quarts (3 lb.)

Where is the 375-OX & 375-OXP PTFE Injectable Sealant / Packing – Oxygen / Chlorine used?

• Valves, Flanges, Enclosures, Oxygen, Chlorine, Oxidizers.

Which Deacon 375-OX & 375-OXP PTFE Injectable Sealant / Packing – Oxygen / Chlorine do I order?

• 375-OX Quart: part number 111-375-OX QUART
• 375-OXP Quart: part number 111-375-OX-P QUART

How does this grade compare with the rest of the Deacon range?

Across the 55 Deacon injectable sealants and compounds PE Energy stocks, this one is rated -50°F to 400°F (-45°C to 204°C). That places it above 1 of the other 54 on upper service temperature: 404 & 404-L Two-Part Rubber stops at 230°F, and 460 Injectable Rubber continues to 450°F.

The limits that decide whether this grade is the right one rather than the one next to it are stated by the manufacturer: Designed for use on Oxygen Service; Chemically inert to oxidizers.

Deacon publishes these ratings one product page at a time, so the comparison above is the part that is hard to assemble before you order. If your service condition sits near a boundary, send us the temperature and the medium with your enquiry and we will confirm the grade against the 2026 manufacturer catalogue before quoting.

How do I order or get a quote?

PE Energy supplies the Deacon 375-OX & 375-OXP PTFE Injectable Sealant / Packing – Oxygen / Chlorine from the 2026 manufacturer catalogue. Order the part number for the option you need, or send us the part number with your application details and we return pricing and lead time.