---
product_id: 60605523
title: "Deacon 8875 - High Temperature | Gasket Compound | Thermal Reactive Paste | Sealing Compound | Expands | Thermal Cycling | 1 Gal…"
brand: "deacon"
price: "$5851524"
currency: COP
in_stock: true
reviews_count: 2
category: "Deacon"
url: https://www.desertcart.co/products/60605523-deacon-8875-high-temperature-gasket-compound-thermal-reactive-paste-sealing
store_origin: CO
region: Colombia
---

# Expands under heat Thermal cycling compatible Fibrous sealant hybrid Deacon 8875 - High Temperature | Gasket Compound | Thermal Reactive Paste | Sealing Compound | Expands | Thermal Cycling | 1 Gal…

**Brand:** deacon
**Price:** $5851524
**Availability:** ✅ In Stock

## Summary

> 🔥 Seal the heat, not your flanges! 🔥

## Quick Answers

- **What is this?** Deacon 8875 - High Temperature | Gasket Compound | Thermal Reactive Paste | Sealing Compound | Expands | Thermal Cycling | 1 Gal… by deacon
- **How much does it cost?** $5851524 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/60605523-deacon-8875-high-temperature-gasket-compound-thermal-reactive-paste-sealing)

## 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

- • **Non-Cementing Formula:** Prevents flange bonding for easy maintenance and disassembly
- • **Thermal Cycling Ready:** Maintains integrity through repeated heating and cooling cycles
- • **Versatile Application:** Works with or without gaskets on superheated steam & NOX gases
- • **Durable Fibrous Hybrid:** Resists brittleness unlike traditional ceramics or mortars
- • **Heat-Activated Expansion:** Seals gaps by expanding with heat for a flawless fit

## Overview

Deacon 8875 is a premium high-temperature fibrous paste sealant that expands when heated to fill flange imperfections. It offers superior chemical resistance and remains flexible through thermal cycling, making it ideal for sealing superheated steam, NOX gases, and exhaust systems without cementing flanges together.

## Description

Paste Sealant. Heat Curing Sealant / Refractory Hybrid, Thick Fibrous Consistency, Expands in the Presence of Heat, High Chemical Tolerance, Trowel on, compatible with thermal cycling, cures with heat not weak or brittle like ceramics or mortars.

Review: Don’t get it wet before hardend - To expensive but worked great sealing up holes in my wood boiler after lightning a small fire doesn’t like water before hardened I would recommend not Getting it wet prior to use
Review: amazing stuff. - amazing stuff.....it did the impossible on a leaky jetski exhaust that is no longer available and a nightmare to fix any other way....

## Features

- Fibrous sealant/refractory hybrid - does not became weak or brittle
- Expand in the presence of heat - filling voids/imperfections on flange faces
- Can be used with or without a gasket to seal superheated steam, NOX gases, catalyst, exhaust, or hot air in pipelines and containment vessels
- Will not cement flanges together
- Fully compatible with thermal cycling

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00XJKNFG4 |
| Best Sellers Rank | #394,222 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #301 in Industrial Joint Sealants |
| Brand | Deacon |
| Brand Name | Deacon |
| Compatible Material | Ceramic |
| Customer Reviews | 5.0 out of 5 stars 4 Reviews |
| Item Form | Paste |
| Manufacturer | Deacon Industries, Inc. |
| Style | Thermal |
| Style Name | Thermal |
| UPC | 852561006171 |
| Unit Count | 1 Count |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Brand:** Deacon
- **Style:** Thermal
- **Water Resistance Level:** Not Water Resistant
- **Item Form:** Paste
- **UPC:** 852561006171

## Images

![Deacon 8875 - High Temperature | Gasket Compound | Thermal Reactive Paste | Sealing Compound | Expands | Thermal Cycling | 1 Gal… - Image 1](https://m.media-amazon.com/images/I/51gffYayCNL.jpg)

## Available Options

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

## Questions & Answers

**Q: Would this work on direct flame**
A: No...not a good idea...used for high temps only !

## Customer Reviews

### ⭐⭐⭐⭐⭐ Don’t get it wet before hardend
*by D***H on February 7, 2020*

To expensive but worked great sealing up holes in my wood boiler after lightning a small fire doesn’t like water before hardened I would recommend not Getting it wet prior to use

### ⭐⭐⭐⭐⭐ amazing stuff.
*by D***O on September 20, 2016*

amazing stuff.....it did the impossible on a leaky jetski exhaust that is no longer available and a nightmare to fix any other way....

## Frequently Bought Together

- Deacon 8875 - High Temperature | Gasket Compound | Thermal Reactive Paste | Sealing Compound | Expands | Thermal Cycling | 1 Gal…
- Bryne Mica High Temperature Wire -60~450 Degree C,Stranded Nickel plated copper wire,Insulation by Mica and Fiberglass,used in harsh environments (AWG14 10Ft)
- High temperature wire,12 AWG, 25' roll.

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**Shop now:** [https://www.desertcart.co/products/60605523-deacon-8875-high-temperature-gasket-compound-thermal-reactive-paste-sealing](https://www.desertcart.co/products/60605523-deacon-8875-high-temperature-gasket-compound-thermal-reactive-paste-sealing)

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*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-02-20*