---
product_id: 60153863
title: "Fermit - Fermitopp HN Highly refractory, elastic single-package silicon sealant 310ml red"
brand: "ks24"
price: "£48.21"
currency: GBP
in_stock: true
url: https://www.desertcart.co.uk/products/60153863-fermit-fermitopp-hn-highly-refractory-elastic-single-package-silicon-sealant
store_origin: GB
region: United Kingdom
---

# Single-package convenience Heat-resistant up to 300°C Highly elastic formula Fermit - Fermitopp HN Highly refractory, elastic single-package silicon sealant 310ml red

**Brand:** ks24
**Price:** £48.21
**Availability:** ✅ In Stock

## Summary

> Seal the Deal with Fermit! 🔥

## Quick Answers

- **What is this?** Fermit - Fermitopp HN Highly refractory, elastic single-package silicon sealant 310ml red by ks24
- **How much does it cost?** £48.21 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/60153863-fermit-fermitopp-hn-highly-refractory-elastic-single-package-silicon-sealant)

## Best For

- ks24 enthusiasts

## Why This Product

- Trusted ks24 brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Superior Elasticity:** Designed to flex and adapt, ensuring a durable seal that lasts.
- • **Professional Quality:** Engineered for demanding environments, trusted by industry professionals.
- • **Versatile Applications:** Ideal for automotive, construction, and home repairs—wherever you need a reliable seal.
- • **User-Friendly Cartridge:** Single-package design makes application a breeze, reducing mess and waste.
- • **Unmatched Heat Resistance:** Withstands extreme temperatures up to 300°C, perfect for high-performance applications.

## Overview

Fermitopp HN is a highly refractory, elastic silicon sealant in a convenient 310ml cartridge, designed to withstand extreme temperatures and provide a durable, flexible seal for various applications.

## Description

Fermi Topp HN 300 is suitable for sealing movement joints without to heating ducts, ovens, reactors,, chimneys, on the go/The sealant is neutral Vernetzend, reacts with the moisture in the air and is characterised by an excellent hot air resistance. The adhesive surfaces must be dry, clean and free from loose items and please any non-porous surfaces with with primer Vorgestrichen. Output circuit board of the smoothing soap solution needs the skin formation, for instance. Wedding emperat Urbest resistant Fragrance free hot air UV-, water-, weather, fade resistant reliable, safe temperature range: -40 °C to + 250 °C Skin formation: approx. 10 min) and A4-80 Stainless Steel Screw Material. Hardening: approx. 2 mm per day

## Features

- Silicone in practical cartridge
- Heat-resistant

## Images

![Fermit - Fermitopp HN Highly refractory, elastic single-package silicon sealant 310ml red - Image 1](https://m.media-amazon.com/images/I/316htqerCqL.jpg)

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**Shop now:** [https://www.desertcart.co.uk/products/60153863-fermit-fermitopp-hn-highly-refractory-elastic-single-package-silicon-sealant](https://www.desertcart.co.uk/products/60153863-fermit-fermitopp-hn-highly-refractory-elastic-single-package-silicon-sealant)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-19*