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RTH-USA ILTEX-0.4 Ultralight Fire Insulation Bricks - Pack of 2

Product code: B0FHX587W7
RTH-USA ILTEX-0.4 Ultralight Fire Insulation Bricks - Pack of 2
RTH-USA ILTEX-0.4 Ultralight Fire Insulation Bricks - Pack of 2
RTH-USA ILTEX-0.4 Ultralight Fire Insulation Bricks - Pack of 2
RTH-USA ILTEX-0.4 Ultralight Fire Insulation Bricks - Pack of 2
RTH-USA ILTEX-0.4 Ultralight Fire Insulation Bricks - Pack of 2
RTH-USA ILTEX-0.4 Ultralight Fire Insulation Bricks - Pack of 2
RTH-USA ILTEX-0.4 Ultralight Fire Insulation Bricks - Pack of 2
RTH-USA ILTEX-0.4 Ultralight Fire Insulation Bricks - Pack of 2
RTH-USA ILTEX-0.4 Ultralight Fire Insulation Bricks - Pack of 2
RTH-USA ILTEX-0.4 Ultralight Fire Insulation Bricks - Pack of 2
RTH-USA ILTEX-0.4 Ultralight Fire Insulation Bricks - Pack of 2
RTH-USA ILTEX-0.4 Ultralight Fire Insulation Bricks - Pack of 2
RTH-USA ILTEX-0.4 Ultralight Fire Insulation Bricks - Pack of 2
RTH-USA ILTEX-0.4 Ultralight Fire Insulation Bricks - Pack of 2
RTH-USA ILTEX-0.4 Ultralight Fire Insulation Bricks - Pack of 2
RTH-USA ILTEX-0.4 Ultralight Fire Insulation Bricks - Pack of 2
RTH-USA ILTEX-0.4 Ultralight Fire Insulation Bricks - Pack of 2
RTH-USA ILTEX-0.4 Ultralight Fire Insulation Bricks - Pack of 2
Description:

The RTH-USA ILTEX-0.4 Ultralight Heat-Insulating Brick is engineered for superior thermal insulation across a wide range of high-temperature industrial and residential applications. Each brick offers low thermal conductivity, high energy efficiency, and a service temperature tolerance up to 850°C (1562°F).

Ideal for boiler units, kilns, gas furnaces, thermal and electric furnaces, heat exchangers, and metallurgical operations, these bricks are lightweight for easy handling and installation.

Crafted from environmentally friendly materials, ILTEX-0.4 bricks offer durable performance and reliable protection against extreme heat conditions.

About this item

  • Ultra-Lightweight Design: Easy to handle and install, ideal for lightweight thermal insulation projects.
  • High Thermal Insulation: Rated for maximum temperatures up to 850°C (1562°F), suitable for power plants, kilns, furnaces, and boilers.
  • Low Thermal Conductivity: Minimizes heat loss for improved energy efficiency and safety.
  • Eco-Friendly Materials: Manufactured from environmentally sustainable, non-toxic raw materials.
  • Standard Brick Size: Each brick measures 9” x 4.5” x 2.5”, perfect for modular builds and repairs.
  • Convenient Packaging: Includes 2 fire-insulating bricks per box, ready for immediate application.

Item Thickness: 2.5 Inches
Part Number: ILTEX-0.4-2
Item Weight: 1.5 pounds
Product Dimensions: ‎9 x 4.5 x 0.1 inches
Global Trade Identification Number: 00860013574796

Product characteristics:
Manufacturer Refrathermica
Brand RTH-USA
Delivery Shipping included
Material Fireclay
Product reviews RTH-USA ILTEX-0.4 Ultralight Fire Insulation Bricks - Pack of 2:
(5.0)
1 review
Leave feedback
Eileen
(5)
14.10.2025
I used these insulating fire bricks for a custom high-temp project, and I’m genuinely impressed. They’re incredibly lightweight, which made handling and installation much easier than with dense bricks — especially when working overhead or in tight spaces.Despite being light, they insulate extremely well and stand up to high temperatures with no issues. Perfect for lining kilns, forges, or any setup where thermal efficiency matters.They cut cleanly, retain their shape, and really help reduce heat loss. Excellent quality — I’ll definitely be buying more for future builds!
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(5.0)
1 review
45 USD
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MAIN CHARACTERISTICS see all
Manufacturer Refrathermica
Brand RTH-USA
Delivery Shipping included
Material Fireclay
Brief description of the product see all

Item Thickness: 2.5 Inches
Part Number: ILTEX-0.4-2
Item Weight: 1.5 pounds
Product Dimensions: ‎9 x 4.5 x 0.1 inches
Global Trade Identification Number: 00860013574796

RECENT FEEDBACK see all
Eileen
(5)
14.10.2025
I used these insulating fire bricks for a custom high-temp project, and I’m genuinely impressed. They’re incredibly lightweight, which made handling and installation much easier than with dense bricks — especially when working overhead or in tight spaces.Despite being light, they insulate extremely well and stand up to high temperatures with no issues. Perfect for lining kilns, forges, or any setup where thermal efficiency matters.They cut cleanly, retain their shape, and really help reduce heat loss. Excellent quality — I’ll definitely be buying more for future builds!
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