---
product_id: 34543010
title: "Deacon 770-L - High Temperature | Liquid Sealant | Thermal Reactive | Thread Sealant | Gasket Dressing | Fill Surface Irregularities | 1 Quart…"
brand: "deacon"
price: "B/.692"
currency: PAB
in_stock: true
reviews_count: 2
category: "Deacon"
url: https://www.desertcart.com.pa/products/34543010-deacon-770-l-high-temperature-liquid-sealant-thermal-reactive-thread
store_origin: PA
region: Panama
---

# Resistant to steam, oils & solvents High-temp tolerance up to extreme heat Seals metal-to-metal joints flawlessly Deacon 770-L - High Temperature | Liquid Sealant | Thermal Reactive | Thread Sealant | Gasket Dressing | Fill Surface Irregularities | 1 Quart…

**Brand:** deacon
**Price:** B/.692
**Availability:** ✅ In Stock

## Summary

> 🔥 Seal like a pro, last like a legend!

## Quick Answers

- **What is this?** Deacon 770-L - High Temperature | Liquid Sealant | Thermal Reactive | Thread Sealant | Gasket Dressing | Fill Surface Irregularities | 1 Quart… by deacon
- **How much does it cost?** B/.692 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.pa](https://www.desertcart.com.pa/products/34543010-deacon-770-l-high-temperature-liquid-sealant-thermal-reactive-thread)

## Best For

- deacon enthusiasts

## Why This Product

- Trusted deacon brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Chemical Warrior:** Resistant to a broad spectrum of chemicals including hydrocarbons and solvents
- • **Fast-Track Repairs:** Brush-on application seals quickly before full cure, minimizing downtime
- • **Ultimate Heat Shield:** Withstands intense thermal cycling without breaking down
- • **Precision Seal Master:** Forms a mechanical tube seal that locks out leaks on threaded fittings and gaskets
- • **Versatile Surface Filler:** Flows into tiny voids and surface irregularities for a perfect finish

## Overview

Deacon 770-L is a high-temperature, thermal reactive liquid sealant designed for metal-to-metal joints and gasket dressing. It offers superior resistance to steam, oils, solvents, and chemicals, creating durable mechanical seals that withstand high pressure and thermal cycling. Ideal for industrial applications like turbines, boilers, and pumps, it ensures fast, reliable repairs with a brush-on, honey-consistency formula.

## Description

Liquid Sealant. Heat Curing Compound, Honey Consistency, High Chemical Tolerance, Brush on. Ease of application achieves seal before full cure, allows for fast and easy repairs, high-pressure temperature and chemical tolerances (Solvents, Oils, Steam, Liquors, Hydrocarbons). Creates a mechanical seal high wear resistance. Applications as a gasket dressing. Deacon 770 improves the sealing capability of standard die cut gaskets. Unaffected by thermal cycling. Seal joints in multi-piece gaskets. Typical Applications: Turbine Split Casing, Pump Casing, Boilers: Doors, Stacks, Flanges, Heat Exchangers, Any Metal-to-Metal Joints, Leaking Gaskets, Threaded Fittings, Steam Traps, Sight Glasses, Nuts & Bolts, Gasket Dressings, Pressure Vessels, Segmented Gaskets.

Review: One Star - the prodcut did not match my intended use
Review: One Star - Item not fit for advertised purpose

## Features

- Allows to be used as the only sealant on low-tolerance metal-to-metal joints
- Form a mechanical-tube seal against steam, oils, solvents, hydrocarbons and a variety of chemicals
- Designed to be a thread sealant or gasket dressing
- Flow to fill small voids and surface irregularities
- High-temperature and high-pressure applications

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00XJKNF00 |
| Brand Name | Deacon |
| Compatible Material | Metal |
| Customer Reviews | 3.8 3.8 out of 5 stars (3) |
| Item Form | Liquid |
| Manufacturer | Deacon Industries, Inc. |
| Model | Deacon 770-L Quart |
| Number of Items | 1 |
| Part Number | 770-L Quart |
| Style Name | Thermal |
| UPC | 852561006225 |
| Unit Count | 1 Count |
| Water Resistance Level | Water Resistant |

## Product Details

- **Brand:** Deacon
- **Item Form:** Liquid
- **Style:** Thermal
- **UPC:** 852561006225
- **Water Resistance Level:** Water Resistant

## Images

![Deacon 770-L - High Temperature | Liquid Sealant | Thermal Reactive | Thread Sealant | Gasket Dressing | Fill Surface Irregularities | 1 Quart… - Image 1](https://m.media-amazon.com/images/I/51QkJCsZnDL.jpg)

## Available Options

This product comes in different **Size** options.

## Customer Reviews

### ⭐ One Star
*by A***R on February 19, 2016*

the prodcut did not match my intended use

### ⭐ One Star
*by A***R on November 9, 2016*

Item not fit for advertised purpose

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**Shop now:** [https://www.desertcart.com.pa/products/34543010-deacon-770-l-high-temperature-liquid-sealant-thermal-reactive-thread](https://www.desertcart.com.pa/products/34543010-deacon-770-l-high-temperature-liquid-sealant-thermal-reactive-thread)

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*Product available on Desertcart Panama*
*Store origin: PA*
*Last updated: 2026-05-11*