---
product_id: 95378452
title: "Fire Brick 2.5\"X 4.5\"X9\",Super Duty claybrick"
brand: "kt refractories"
price: "82 zł"
currency: PLN
in_stock: false
url: https://www.desertcart.pl/products/95378452-fire-brick-2-5x-4-5x9-super-duty-claybrick
store_origin: PL
region: Poland
---

# Standard size for versatility High heat resistance Super durable material Fire Brick 2.5"X 4.5"X9",Super Duty claybrick

**Brand:** kt refractories
**Price:** 82 zł
**Availability:** ❌ Out of Stock

## Summary

> 🔥 Ignite Your Projects with Confidence!

## Quick Answers

- **What is this?** Fire Brick 2.5"X 4.5"X9",Super Duty claybrick by kt refractories
- **How much does it cost?** 82 zł with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/95378452-fire-brick-2-5x-4-5x9-super-duty-claybrick)

## Best For

- kt refractories enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Crafted from super-duty clay, ensuring longevity and reliability.
- • **Easy to Work With:** Lightweight yet sturdy, making installation a breeze.
- • **Eco-Friendly Choice:** Made from natural materials, promoting sustainability.
- • **Versatile Dimensions:** Standard 2.5" x 4.5" x 9" size fits a variety of applications.
- • **Unmatched Heat Resistance:** Withstands extreme temperatures, perfect for fireplaces and ovens.

## Overview

The Fire Brick 2.5" x 4.5" x 9" is a super-duty clay brick designed to withstand high temperatures, making it ideal for fireplaces, kilns, and other heat-intensive applications. Its durable construction ensures long-lasting performance, while its standard size offers versatility for various projects.

## Description



## Product Details

- **Brand:** KT Refractories
- **Color:** Beige
- **Shape:** Rectangular

## Images

![Fire Brick 2.5"X 4.5"X9",Super Duty claybrick - Image 1](https://m.media-amazon.com/images/I/31AS+LQ5JgL.jpg)

## Questions & Answers

**Q: What is the percentage of alumina and silicate in the brick?**
A: hi 
Thanks for your interest.  Alumina percentage is 42% and silica is about 52% and others

**Q: What is the temperature rating for this brick?**
A: Hi,

2700-3000F

**Q: Can this brick be used in a blacksmith forge and does it have to be coated prior to burning due to the silica or a respirator worn when being heated?**
A: Hi 
Yes, it is applicable to blacksmith forge.  coating is not requited but maybe better considering it does have silica content

**Q: What is the temperature rating for this brick?**
A: Hi,
This is super duty fire bricks, working temperature is 2600F short time up to 3000F

## Frequently Bought Together

- KT Refractories Fire Brick 2.5"X 4.5"X9",Super Duty claybrick
- 2 Pieces 99.9% Pure Copper Sheet, 8" x 10", 24 Gauge(0.5mm) Thickness, Film Attached Copper Plate, Great for Jewelry, Crafts, modelers
- 2 Pcs 99.9%+ Pure Copper Sheet, 6" x 6", 24 Gauge Thickness, 153 x 153 x 0.5mm, No Scratches, Film Attached Copper Plates

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.pl/products/95378452-fire-brick-2-5x-4-5x9-super-duty-claybrick](https://www.desertcart.pl/products/95378452-fire-brick-2-5x-4-5x9-super-duty-claybrick)

---

*Product available on Desertcart Poland*
*Store origin: PL*
*Last updated: 2026-06-02*