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- Insulating Fire Brick, 2300F Rated, 4-Pack, 9...
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Item #:
222626306
Insulating Fire Brick, 2300F Rated, 4-Pack, 9" x 4.5" x 2.5", 3123R
85% of respondents would recommend this to a friend
Item #:
222626306
SHP 216
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Order now and get it around Friday, October 09
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Lynn Manufacturing Insulating Fire Brick: Great insulator with low thermal conductivity and very low weight, easy to shape, cut, and carve with wood working tools. Used for kilns, forges, furnaces, knife making, PMC metal clay firing, jewelry casting, or jewelry soldering block
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What Stands Out
High Heat Resistance
Rated for temperatures up to 2300°F, these bricks are ideal for high-heat applications, ensuring durability and safety in extreme environments, perfect for forges and kilns.
Optimal Size
Measuring 9'' x 4.5'' x 2.5'', these bricks are sized for versatility, fitting easily into various setups while providing effective insulation and energy efficiency in thermal management.
4-Pack Value
The 4-pack offers great value, allowing users to tackle larger projects or repairs efficiently, ensuring you have enough materials to build or enhance fire-resistant structures.
Product Details
- Highly insulating fire brick for heat insulation
- Low thermal conductivity and lightweight
- Easy to shape, cut, and carve with woodworking tools
- Suitable for kilns, forges, and furnaces
- 2300F rated with alumina silica refractory ceramic clay
- Well packed in bubble wrap for safe delivery
| Brand Name | Lynn Manufacturing |
| Number of Packs | 4 |
| UPC | 810527033555 |
| Number of Items | 4 |
| Unit Count | 4 Count |
| Manufacturer | Lynn Manufacturing |
| Part Number | 3123R |
| Item Diameter | 4.5 inches (11.43 cm) |
| Item Thickness | 2.5 inches |
| Item Weight | 4 kg |
| Color | Beige |
| Item Shape | Rectangular |
| Item Form | Sheet |
| Material | ceramic |
| Grade Rating | Commercial |
| Brand | Lynn Manufacturing |
| Shape | Rectangular |
Who Should Buy?
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High-Temperature Insulation
Ideal for applications requiring exceptional insulation materials, withstanding temperatures up to 2300°F efficiently.
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Industrial Use
Perfect for industries like metalworking and ceramics where maintaining high heat is crucial for operations.
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DIY Projects
Great for hobbyists and DIY enthusiasts looking to build their own kilns or furnaces at home.
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Low-Temperature Needs
Not suitable for low-temperature applications, as its design is specifically for extreme heat conditions.
Product Description
Insulating Fire Brick, 2300F Rated, 4-Pack, 9" x 4.5" x 2.5", 3123R
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the maximum temperature rating of the Insulating Fire Brick?
Answer: The Insulating Fire Brick has a maximum temperature rating of 2300°F. This high-temperature capability makes it suitable for various applications, including kilns, furnaces, and forges. It can effectively retain heat, thereby improving energy efficiency. Whether you are a professional blacksmith or a pottery enthusiast, this brick will ensure your high-temperature projects are executed safely and reliably. -
Question:
What are the dimensions of the Insulating Fire Brick?
Answer: The dimensions of the Insulating Fire Brick are 9 x 4.5 x 2.5 inches. This size makes it versatile for various setups, allowing for easy integration into existing heating systems. The compact design ensures that it can fit into tight spaces, providing excellent insulation without taking up excessive room. This is ideal for both novice and experienced artisans looking to optimize their workspace. -
Question:
What are the applications of the Insulating Fire Brick?
Answer: This Insulating Fire Brick is designed for a wide range of applications, including furnaces, kilns, and other high-temperature setups. It is particularly beneficial for those involved in metalworking or ceramics, as it provides significant thermal insulation, allowing for more efficient heating. In commercial settings, it can be used in iron and steel production, ensuring that heat is directed where it's needed most while minimizing energy loss. -
Question:
Can these fire bricks be cut or shaped?
Answer: Yes, the Insulating Fire Brick can be cut or shaped to fit your specific requirements. Using appropriate tools, you can trim the bricks to fit into tighter spaces or create custom setups. This flexibility makes it ideal for bespoke projects in ceramics or metalworks, allowing users to design the exact kilns or furnaces they need without compromising on insulation quality. -
Question:
Is the Insulating Fire Brick suitable for outdoor use?
Answer: Absolutely, the Insulating Fire Brick is suitable for outdoor applications as it can withstand high temperatures and various environmental conditions. This makes it perfect for outdoor kilns and furnaces. When properly maintained, these bricks can serve you well in both indoor and outdoor settings, ensuring consistent performance regardless of the location. -
Question:
How much insulation does this brick provide?
Answer: The Insulating Fire Brick offers exceptional thermal insulation, significantly reducing heat loss in high-temperature applications. Its dense composition minimizes thermal conductivity, allowing it to retain heat longer while keeping surrounding areas cooler. This property is beneficial in industrial settings, as it maximizes energy efficiency and reduces operational costs. -
Question:
How do I install the Insulating Fire Brick?
Answer: Installing the Insulating Fire Brick typically involves stacking the bricks in a configuration suitable for your specific heating application. For kilns and furnaces, it’s important to ensure a snug fit to minimize gaps, which can allow heat to escape. It’s advisable to use mortar designed for high temperatures to secure the bricks in place, ensuring that your structure is both stable and insulated effectively. -
Question:
What makes this fire brick different from regular bricks?
Answer: Unlike regular bricks, which are designed for structural purposes, the Insulating Fire Brick is specifically engineered for high-temperature environments. Its unique material composition and design allow it to withstand intense heat while providing superior insulation. This distinction makes it the preferred choice for applications involving extreme temperatures, such as metalworking or ceramics, where maintaining consistent heat is crucial. -
Question:
Where can I buy Insulating Fire Brick, 2300F Rated, Single, 9 x 4.5 x 2.5, 3123P in Saint Helena?
Answer: You can buy the Insulating Fire Brick, 2300F Rated, Single, 9 x 4.5 x 2.5, 3123P at Ubuy. Ubuy is a reliable e-commerce platform that specializes in offering a wide range of products, including high-quality fire bricks. With Ubuy, you can explore various options and have the convenience of purchasing online, ensuring you find exactly what you need for your projects.
Lynn Manufacturing Firing Accessories Editorial Review
Insulating Fire Brick, 2300F Rated, Single, 9" x 4.5" x 2.5", 3123P, made by Lynn Manufacturing, is an excellent choice for those looking to enhance their firing projects. Users have praised its effectiveness for tasks like soldering and firing metal clay, highlighting its capability to withstand high temperatures. However, some reviews note that while they are efficient, the bricks may crumble when moved frequently, necessitating a careful approach to handling. The bricks are easy to cut to size, making them versatile for various applications, including kiln repairs and insulation for woodstoves.
Customer Reviews & Ratings
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Pros
- Rated for high temperatures up to 2300F
- Versatile for soldering and metal clay firing
- Can be easily cut to desired size
- Lightweight design at 1 kg
- Industrial grade material for durability
Cons
- May crumble when moved frequently, creating mess
Platform Trust & Buyer Confidence
JK
Jasmin
Verified buyer
“Great products and very good service: very easy and very fast international delivery.”
9 September 2026 · via Trustpilot
AG
Anke
Verified buyer
“Wonderful online shopping experience, smooth transaction from the start. Payment method works conveniently and delivery is unexpectedly fast and reliable. You go the extra mile for service. What makes this even more amazing, you deliver to Namibia. I will remain a happy Ubuy customer and will increase my purchases for sure! Thank you!”
10 September 2026 · via Trustpilot
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Hazel
Verified buyer
“Very easy to find the products what you need, and so fast delivery, that’s why I highly recommended to others costumers to used ubuy.”
10 September 2026 · via Trustpilot
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Opaleye
Verified buyer
“I received exactly what I ordered I was skeptical about your site because that was my first time to order. But the order came timely and neatly packaged. I was not disappointed. Thank you.”
11 September 2026 · via Trustpilot
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Adele
Verified buyer
“Easy to find and order what you want on the website. Delivery is quick to the UK”
8 September 2026 · via Trustpilot
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SHP 216
Order now and get it around Friday, October 09
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Features & Benefits
- Low thermal conductivity
- Easy to shape, cut and carve
- 2300F rated
- Used for kilns, forges, furnaces, knife making, PMC metal clay firing, jewelry casting, or jewelry soldering block
- Well packed in bubble wrap
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