Product Details

Description:

White fused alumina is characterized by high volume density, low apparent porosity, stable volume and thermal stability performance and so on, it is can be used for shell making material of heavy steel casting, especially the alloy casting, core sand, coating material and melt film precision casting, and it is also can be used as half precision blasting and precision blasting material for hardened steel, alloy steel and so on.

Chemical Specification:

Purpose	Specification	Chemical and physical composition (%)
Purpose	Specification	Al₂O₃	Na₂O	SiO₂	Fe₂O₃	Apparent Porosity (%)	Volume Density (g/cm³)
Precision casting	50# –80#	≥99	≤0.5	≤0.2	≤0.15	≤8.0	≥3.45
	70# –140#	≥98.5	≤0.5	≤0.2	≤0.15	≤8.0	≥3.45
	0 – 200#	≥98.5	≤0.5	≤0.2	≤0.15	≤8.0	≥3.45
	0– 320#	≥98.5	≤0.5	≤0.2	≤0.15	≤8.0	≥3.45