Find high quality ra series fused cast alumina block with competitive price here. Please rest assured to buy ra series fused cast alumina block with Henan Flourshing Energy Saving Co.,Ltd

RA Series Fused Cast Alumina block

Introduction

RA series fused cast Alumina brick is fused cast refractory of Alumina series from superior high purity raw material and manufactured in specialized electric arc kiln above 2000?.The products are classified by the different composition proportion between a-corundum and ß-corundum.

Application

RA-M is dense structure fused cast product consisting of apprpx 44% a-corundum and 55% ß-corundum and with excellent characteristic of free contamination to glass in furnace. It is designed for sidewalls of working end, bottom paving , fore hearths and crowns.

Item	RA Series Fused Cast Alumina   Block
Chemical composition(Typical)	AI2 O3	95%
	Na2O	3.5%
	SiO2	1.0%
	CaO+TiO2+Fe2O3	0.5%
Lithofacies Composition   (Typical)	a-AI2O3	44%
	ß-AI2O3	55%
	Vitreous Phase	1%
Bulk Density (Dense part )(g/cm3)	=3.54
Crushing Strength (Mpa)	=200
Refractoriness Under Load of   2×105Pa	=1700