Name: F20, 24, 36, 60 Mesh Brown Fused Alumina for Refractory Material
Brand: Yongruida
Availability: InStock

Product Details

F20, 24, 36, 60 Mesh Brown Fused Alumina for Refractory Material

Yongruida brown fused alumina (BFA) is made from bauxite coke being smelting by electric-arc furnace at a very high temperature. Its good thermal propertiy makes it an excellent raw material

for refractory industry.

$F20, 24, 36, 60 Mesh Brown Fused Alumina for Refractory Material$ $F20, 24, 36, 60 Mesh Brown Fused Alumina for Refractory Material$

Production Process

Bauxite coke --- sorting --- electrolyzation --- extract --- deironing & magnetic separation --- screening --- chemical analysis --- packing --- storage

Physical and Chemical Index

Application	Specification		Chemical Composition %				Magnetic substance%
Application	Specification		Al2O3	Fe2O3	SiO2	TiO2	Magnetic substance%
Abrasive material abrasive tools	F	4#—80#	≥95	≤0.3	≤1.5	≤3.0	≤0.05
		90#—150#	≥94	≤0.3	≤1.5	≤3.0	≤0.03
		180#—240#	≥93	≤0.3	≤1.5	≤3.5	≤0.02
	P	8#—80#	≥95.0	≤0.2	≤1.2	≤3.0	≤0.05
		100#—150#	≥94.0	≤0.2	≤1.2	≤3.0	≤0.03
		180#—220#	≥93.0	≤0.3	≤1.5	≤3.5	≤0.02
	W	1#-63#	≥92.5	≤0.5	≤1.8	≤4.0	—
Refractory material	Sand size	0-1mm1-3mm3-5mm5-8mm8-12mm	≥95	≤0.3	≤1.5	≤3.0	—
	Sand size	25-0mm10-0mm50-0mm30-0mm	≥95	≤0.3	≤1.5	≤3.0	—
	Powder size	180#-0200#-0320#-0	≥94.5≥93.5	≤0.5	≤1.5	≤3.5	—

Note: F is for bonded abrasive tools and abrasive blasting;

P is for coating abrasive tools

W is micro powder ,320# =W40

Mechanical Property

Item	Index
color	Dark brown
crystal	Trigonal system
Hardness(Mohs)	≥9.0
Melting Point(℃)	2250
Max. Service temp.(℃)	1900
Density(g/cm3)	≥3. 90
TEC (0—1600℃)	7—9