Fire Clay Bricks of Refractory

refractory clay brick, refractory clay brick is made of flint clay and fire clay,used for coke oven,hot-blast stove and so on. - details see: https://www.buildingsupplieshub.com/fire-clay-bricks-of-refractory-10081631

Place of Origin: Shandong China (Mainland)	Brand Name: yonganda	Type: Clay Bricks	Color: different
Function: Firebricks	name: refractory clay brick	Processing: Fired	Material: Clay
Usage: Common	Material Feature: Firebrick	Height: 65mm

$Fire Clay Bricks of Refractory$

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Detailed Product Description

1.Al2O3 40%-47%
2.Apparent Porosity:22%-28%
3.Refractoriness under 0.2Mpa:1620-1650
4.Cold crushing strength(MPa):25-39MPa

Basic Descriptionof chamotte brick:

Al₂O₃is about 40%-48%

Refractoriness≥1580-1750°C
Apparent Porosity≤22%-28%
Refractoriness under 0.2Mpa≥1620-1650°C

Cold crushing strength(MPa) ≥25-39MP

Clay brick SK-34
Item	Standard
Al₂O₃(%)	>40
Fe₂O₃(%)	2.0-2.5
SiO₂(%)	58-61
Refractoriness (SK)	34
Refractoriness under load, 0.2MPa, Ta, ((°C)	1350
Porosity (%)	19-23
Bulk density (g/cm³)	2.10-2.20
Cold crushing strength (MPa)	25-30
Thermal expansion at 1000°C (%)	0.6