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White Fused Alumina: A white fused alumina is the superior grade with more than 99% purity, which is made by fusing calcined alumina at 2200-2300°C temperature in ARC furnace

CapWAlumina A: CapWAlumina A is the high purity alumina manufactured by Capstone Abrasive Company followed by Fusing of calcined alumina, crushing & grading. We offer 100% TiO2 free Alumina which improve the quality, as TiO2 work as softer abrasive.

CapWAlumina Main Features:
- Sharp-Edge Cut - 100% Non-Metallic - High Hardness - 100% Non-Magnetic - 100% TiO2 Free - Complete White & Transparent - Chemical Inertness - Uniform Particle Size - Eco-friendly

Product Standards

Compound	Guaranteed	Typical
Al₂O₃	≥ 99%	99.90%
Fe₂O₃	≤ 0.30%	-
Na₂O	≤ 0.30%	-
SiO₂	≤ 0.10%	-
CaO	≤ 0.05%	-
Other	≤ 0.05%	-

Attribute	Analysis
Crystal Type	α- Alumina
Color	Pure White
Shape	Angular
Nature	Hard & Tough
Hardness	≥ 9 Mohs
Sp. Gravity	3.95-4.10 gm/cm³
Bulk Density	1.5-2.1 gm/cm³
Melting Point	2150°C

MM	BSS	ASTM	FEPA	MM	BSS	ASTM	FEPA
4.75	-	4	F4	0.425	36	40	F40
4.00	4	5	F5	0.355	44	45	F46
3.35	5	6	F6	0.300	52	50	F54
2.80	6	7	F7	0.250	60	60	F60
2.36	7	8	F8	0.212	72	70	F70
2.00	8	10	F10	0.180	85	80	F80
1.70	10	12	F12	0.150	100	100	F90
1.40	12	14	F14	0.125	120	120	F100
1.18	14	16	F16	0.106	150	140	F120
1.00	16	18	F20	0.075	200	200	F150
0.850	18	20	F22	0.063	240	230	F180
0.710	22	25	F24	0.053	300	270	F220
0.600	25	30	F30	0.045	350	325	F240
0.500	30	35	F36	0.037	440	400	F280

FEPA F Standard	FEPA P Standard
EN ISO 11126-7	DIN ISO 8486-1
DIN 8201-6	MIL A-A-59316
ANSI B74-12	JIS R6001
NF EN 4638	D50TF5 Class A+D
DMR71-100	NF L 06-829
DIN EN 4637	CSS 12
ABR 9-0160

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