Deacon 770-L Thermal Reactive Liquid Sealing Compound

What is the Deacon 770-L Thermal Reactive Liquid Sealing Compound?

A heat curing liquid sealant that is used in high temperature and high pressure applications. DEACON 770-L is specially designed to be a thread sealant or gasket dressing, 770-L will flow to fill small voids and surface irregularities. The proprietary formulation allows 770-L to be used as the only sealant on low-tolerance metal-to metal joints. 770-L will not cement the joints together or interfere with future repairs. In the presence of heat, 770-L will form a mechanical-type seal against steam, oils, solvents, hydrocarbons and a variety of chemicals.

What are the specifications of the 770-L Thermal Reactive Liquid Sealing Compound?

• Base Materials Resin
• Service Rating 200°F (93°C) to 950°F (510°C) Up to 11,000 psi (758 bar)
• Forms available: Pint Brush Top; Quart.

Which Deacon 770-L Thermal Reactive Liquid Sealing Compound do I order?

• Pint Brush Top: part number 111-770-L PINT
• Quart: part number 111-770-L QUART

Pack sizes: Pint Brush Top = 1 each; Quart = 1 each.

How do I confirm this grade fits my service?

If your service condition sits near the rated temperature limit, send us the temperature and the medium with your enquiry and we will confirm the grade against the manufacturer’s data before quoting.

How do I order or get a quote?

PE Energy supplies the Deacon 770-L Thermal Reactive Liquid Sealing Compound 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.