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Item #:
85364254
K23 Insulating Firebrick 8 x 4.5 x .50 Morgan Thermal Ceramics 2300F Box of 16
Item #:
85364254
XCD 268
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Imported from USA store
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Order now and get it around Wednesday, September 16
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Perfect for home projects, industrial use, and high-temperature applications, the K23 Insulating Firebrick withstands up to 2300F.
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Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
High Temperature Resistance
Designed to withstand extreme temperatures up to 2300°F, ensuring durability and performance in high-heat applications.
Lightweight Design
Weighing less than traditional firebricks, K23 reduces installation effort, making it easier to handle and work with.
Versatile Applications
Ideal for a variety of uses, including kilns and furnaces, catering to both professional and DIY enthusiasts looking for reliable insulation.
Product Details
| Country of Origin | United States |
| Continuous work temp rated 2300F | Will withstand bursts of 2750F |
| Cement with K Bond Wet Mortar | Hold Together or Increase Temp Rating |
| Air Dry Wet Mortar Size Choices | Ceramic Fiber Blanket Choices |
| Kiln Repair or Oven Repair | Fireplace Chimney Stove Oven Hearth Repair |
| Hot Blast Stove | Heat Treat Oven |
| Other Thermal Ceramic products available | Ceramic Fiber Blankets and Mortar to complement |
| Forge or Furnace | Blacksmith Blacksmithing |
| Made in America by Americans | Packed and shipped by US Veteran Owned Business |
| Knife shaping or Sword making Air Dry W | Ceramic Fiber Blanket Choices |
| Propane Gas Forge | Rocket Stove |
| GENUINE | Morgan Thermal Ceramics |
| MPN | K23 2300F |
| Excellent Strength | Thermal Stability |
| Wood Burning Stove | Outdoor Kitchen or Pizza Oven |
| Universal Design | Replaces many current firebricks |
| Clay Pottery | Glass Melting |
| International Buyer PLEASE REQUEST QUOTE | Published Rates vary from Actual Rates |
| Air Dry Wet Mortar Available | Ceramic Fiber Blanket Choices |
| Model | IFB Insulating Firebrick |
| Excellent strength at operating temps | Low thermal conductivity |
| Knife shaping or Sword making | Heat Treat Oven |
| Factory Fresh Firebrick | USA Veteran Seller |
| Brand | Morgan Thermal Ceramics |
| Low density | Ultra Low Thermal Conductivity |
| Made in the USA | USA Veteran Seller |
| California Prop 65 Warning | WARNING PROP 65: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Avoid breathing fiber particulates and dust. SAFETY INSTRUCTIONS FOR PERSONAL PROTECTION MAY INCLUDE: WEAR SAFETY MASK | WEAR SAFETY GLASSES | WEAR SAFETY GLOVES. |
| UPC | Does not apply |
| Item Weight | 32 lbs (14.51 kg) |
Who Should Buy?
-
High-Temperature Applications
Ideal for use in kilns, furnaces, and other environments requiring sustained temperatures up to 2300°F.
-
Energy Efficiency
Great for users looking to improve energy efficiency and heat retention in industrial heating applications.
-
DIY Projects
Suitable for hobbyists and DIY enthusiasts creating outdoor fire pits or pizza ovens needing thermal insulation.
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Low-Temperature Use
Not optimal for applications that operate at low temperatures; performance may not justify the cost.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What are the dimensions of each firebrick?
Answer: Each firebrick measures 8 x 4.5 x 0.5 inches. -
Question:
Can these firebricks be used in a pizza oven?
Answer: Yes, the K23 Insulating Firebrick is perfect for pizza oven construction. -
Question:
What temperature can these firebricks withstand?
Answer: These firebricks can withstand temperatures up to 2300F.
morgan thermal ceramics Editorial Review
K23 Insulating Firebrick 8 X 4.5 X .50 Morgan Thermal Ceramics 2300F Box Of 16 is a versatile thermal insulation solution, made in the USA, perfect for various applications including kiln repairs, outdoor kitchens, and blacksmithing. With an impressive continuous work temperature rating of 2300F, it can withstand bursts of up to 2750F, making it exceptionally durable. The innovative design incorporates low thermal conductivity, ensuring efficient heat retention. Users appreciate the excellent strength and thermal stability of the product, which enhances its suitability for high-temperature environments. This firebrick is also complemented by K Bond Wet Mortar and ceramic fiber blanket choices for optimal functionality.
Customer Reviews & Ratings
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Pros
- Made in the USA by a veteran-owned business
- Rated for high temperatures up to 2750F
- Low thermal conductivity for better insulation
- Excellent strength and thermal stability
- Universal design replaces many firebrick types
Cons
- California Prop 65 warning for safety precautions
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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Onesi
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
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SAO JOHN
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“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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XCD 268
Order now and get it around Wednesday, September 16
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Features & Benefits
- Withstands temperatures up to 2300F, ideal for high heat applications.
- Made in America by Morgan Thermal Ceramics for superior quality.
- Contains 16 firebrick pieces per box for maximum value.
- Perfect for home projects, commercial use, and industrial applications.
- Hand packed to ensure firebricks arrive intact, with custom cuts available.
- Versatile use for kilns, furnaces, and outdoor ovens.
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