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Weakly Acidic Customizable Insulation Fire Clay Brick Refractory Clay Brick for Ovens and Kilns
Weakly Acidic Customizable Insulation Fire Clay Brick Refractory Clay Brick for Ovens and Kilns
Weakly Acidic Customizable Insulation Fire Clay Brick Refractory Clay Brick for Ovens and Kilns
Weakly Acidic Customizable Insulation Fire Clay Brick Refractory Clay Brick for Ovens and Kilns
Weakly Acidic Customizable Insulation Fire Clay Brick Refractory Clay Brick for Ovens and Kilns
Weakly Acidic Customizable Insulation Fire Clay Brick Refractory Clay Brick for Ovens and Kilns
Weakly Acidic Customizable Insulation Fire Clay Brick Refractory Clay Brick for Ovens and Kilns
Weakly Acidic Customizable Insulation Fire Clay Brick Refractory Clay Brick for Ovens and Kilns
Weakly Acidic Customizable Insulation Fire Clay Brick Refractory Clay Brick for Ovens and Kilns
Weakly Acidic Customizable Insulation Fire Clay Brick Refractory Clay Brick for Ovens and Kilns
Specifications
Model Number :
SK32; SK34; SK36
Material :
Refractory Clay Bricks
MOQ :
1
Delivery Time :
10-15days
Bulk Density g/cm3 :
2.00-2.35
Packaging Details :
Pallet
Payment Terms :
L/C,D/P,T/T
Brand Name :
Leadsun
Type :
Refractory Bricks SK32 Sk34 SK36
Place of Origin :
China
Specification :
Customizable
Certification :
ISO; CE
Shape :
Brick
Price :
Negotiable
Al2O3 % (min) :
30%-55%
Supply Ability :
5000tons per month
Description

Fire clay bricks are high-temperature refractory insulation bricks with weakly acidic properties, engineered for ovens, kilns, and other high-heat industrial environments. They combine reliable thermal insulation with long service life and versatile shaping options, making them one of the most widely used refractory materials across a broad range of kiln applications.

Key Features
  • Low thermal conductivity for excellent thermal insulation performance.
  • Long service life and easy operation; can be shaped freely to suit specific requirements.
  • Available in standard form, normal standard, shaped, and special shaped bricks.
  • Suitable for a wide variety of kilns due to its cost-effectiveness and general tray packaging — among all refractory materials, it is the most widely used.
Applications
  • Carbon bake furnaces in the aluminium industry
  • Preheat zones and cyclones of rotary cement kilns
  • Insulation for glass tanks
  • Coke ovens
  • Blast furnaces
  • Reheating furnaces
  • Suspended roofs
  • Lime kilns
  • Chimneys
Weakly Acidic Customizable Insulation Fire Clay Brick Refractory Clay Brick for Ovens and Kilns
Technical Data
Item SK-30 SK-32 SK-34 SK-36
AL2O3 % (min) 30–35% 35–38% 38–42% 50–55%
Fe2O3 % (max) 3 3 2.8 2.5
Refractoriness ≥1670°C ≥1690°C ≥1710°C ≥1750°C
Refractoriness under load, 0.2MPa (°C) ≥1270 ≥1350 ≥1350 ≥1430
Apparent porosity (%) 20–24 20–24 19–23 18–22
Bulk density (g/cm³) 2.00–2.05 2.05–2.1 2.1–2.15 2.15–2.25
Cold crushing strength (MPa) ≥25 ≥30 ≥35 ≥45
Thermal expansion at 1000°C (%) ≤0.6 ≤0.55 ≤0.55 ≤0.4
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Weakly Acidic Customizable Insulation Fire Clay Brick Refractory Clay Brick for Ovens and Kilns

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Product Detail
Model Number :
SK32; SK34; SK36
Material :
Refractory Clay Bricks
MOQ :
1
Delivery Time :
10-15days
Bulk Density g/cm3 :
2.00-2.35
Packaging Details :
Pallet
Contact Supplier
Weakly Acidic Customizable Insulation Fire Clay Brick Refractory Clay Brick for Ovens and Kilns
Weakly Acidic Customizable Insulation Fire Clay Brick Refractory Clay Brick for Ovens and Kilns
Weakly Acidic Customizable Insulation Fire Clay Brick Refractory Clay Brick for Ovens and Kilns
Weakly Acidic Customizable Insulation Fire Clay Brick Refractory Clay Brick for Ovens and Kilns
Weakly Acidic Customizable Insulation Fire Clay Brick Refractory Clay Brick for Ovens and Kilns

Qingdao Leadsun Refractory Co., Ltd

Verified Supplier
1 Years
qingdao
Since 2014
Business Type :
Distributor/Wholesaler, Exporter, Trading Company, Seller
Main Products :
Ceramic Fiber Blanket, Fire Clay Brick, Insulation Refractory Bricks
Total Annual :
3000000-5000000
Employee Number :
5~20
Certification Level :
Verified Supplier
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