$China Al2O3 95% Brown Fused Alumina Carborundum Grain Abrasive Disc Castable Refractory Brick Lapping for sale$

Al2O3 95% Brown Fused Alumina Carborundum Grain Abrasive Disc Castable Refractory Brick Lapping

Name: Al2O3 95% Brown Fused Alumina Carborundum Grain Abrasive Disc Castable Refractory Brick Lapping
Brand: yixing haiyu refractory co.,ltd

Price Negotiable

Price: Negotiation

MOQ: 1ton

Delivery Time: two weeks

Brand: HY

Product Description

brown adamantine spar carborundum grain abrasive disc castable refractory brick lapping

Product name: grained sand of brown fused alumina

Specification: 60#

AVERAGE CHEMICAL COMPOSITION(TYPICAL)

Al2O3	Fe2O3	Tio₂	SiO2
≥95%	≤0.3%	≤0.3%	≤1.5%

PHYSICAL PROPERTIES(TYPICAL)

Mohs hardness

Proportion

Melting

point

Max. Working temperature

Crystalline form

≥9.0

≥3.90g/cm3

2250℃

1900℃

tripartite crystal system

Composition standard of grit size GB/T 2479-2008

Particle size	max coarse particles	Coarse particles		Basic particles		Mixed particles		Meal grain
Particle size	100% passed the following sieve number	no pass the sieve number	no more than weight %	No pass the sieve number	no less than weight %	no pass the sieve number	no less than weight %	passed the following sieve number most weight 3%
10#	6	8	20	10	45	10 12	70	14
12#	7	10	20	12	45	12 14	70	16
14#	8	12	20	14	45	14 16	70	18
16#	10	14	20	16	45	16 18	70	20
20#	12	16	20	18	45	18 20	70	25
22#	14	18	20	20	45	20 25	65	30
24#	16	20	25	25	45	25 30	65	35
30#	18	25	25	30	45	30 35	65	40
36#	20	30	25	35	45	35 40	65	45
40#	25	35	30	40	40	40 45	65	50
46#	30	40	30	45	40	45 50	65	60
54#	35	45	30	50	40	50 60	65	70
60#	40	50	30	60	40	60 70	65	80
70#	45	60	25	70	40	70 80	65	100
80#	50	70	25	80	40	80 100	65	120
90#	60	80	20	100	40	100 120	65	140
100#	70	100	20	120	40	120 140	65	200
120#	80	120	20	140	40	140 170	65	230
150#	100	140	15	170 200	40	170 200 230	65	325
180#	120	170	15	200 230	40	200 230 270	65
220#	140	200	15	230 270	40	230 270 325	60

Particle size comparison sheet of brown fused alumina

grained sand of brown fused alumina
Particle size number	(μm) Particle size range (μm)	Particle size number	(μm) Particle size range (μm)
16#	1190	80#	170
24#	710	100#	150
30#	590	120#	124
36#	480	150#	95
46#	350	180#	84
60#	250