White Fused Alumina For Abrasives

White Fused Alumina For Abrasives

White fused alumina is a high-grade abrasive raw material, made of high-quality industrial alumina powder after being melted at a high temperature above 2200℃ in an electric tilting furnace and then cooled. Its main crystal phase is α-Al₂O₃, and the color is white.

As an important raw material in the abrasive industry, white alumina oxide powder has its own unique characteristics and rich uses

Features

Does not affect the color of processed parts
After sandblasting, the surface is white and without any impurities,no need complex cleaning;
The amount of Fe2O3 is extremely low
Fast processing speed and improve the quality.
Pickling step to remove impurities.

CATEGORY: White Fused Alumina (WFA)

TAGS: Abrasives, White Fused Alumina

DESCRIPTION

Grain Size and Micro Powder

PEFA F

F12, F24, F30, F36, F40, F46, F54, F60, F80, F100, F120, F150, F180, F220

F240, F280, F320, F360, F400, F500, F600, F800, F1000, F1200

PEFA P

P24, P30, P36, P40, P50, P60, P80, P100, P120, P150, P180, P220

P240, P280, P320, P360, P400, P500, P600, P800, P1000, P1200, P1500, P2000, P2500, P3000

JIS

JIS240, JIS280, JIS320, JIS360, JIS400, JIS500, JIS600, JIS700, JIS800, JIS1000, JIS1200, JIS1500, JIS2000, JIS2500, JIS3000, JIS4000, JIS6000, JIS8000

Other spec are available upon request. Low sodium, Micro sodium WFA are both available.

Product Advantages

1. Low sodium and micro sodium WFA can be provided. Na2O of our micro sodium WFA is less than 0.1%, can be double 0.
2. High cleanliness, strong adhesion, high hardness and strong cutting force, whiteness can be based on customer needs.
3. High bulk density and high transparent wear-resistance sands can be provided. The crystal is rounder than normal ball mill WFA.
4. Various specifications can be supported, and the bulk density can be adjusted according to customer’s demand.

Applications

1. It can be used for coated and coating abrasives, floor wear-resistant sand, ceramic roller professional sand, wet or dry blast sand.
2. It’s uitable for super-precision grinding and polishing in the crystal and electronics industries.
3. It ‘s suitable for processing hardened steel, alloy steel, high-speed steel, high carbon steel and other materials with high hardness and high tensile strength.
4. It can also be used as contact media, insulators and precision casting sand.

PEFA F Grain & Micro Powder: Chemical Composition And Particle Size Composition Standard

Chemical Composition

Chemical Composition	Na₂O%≤	Al₂O₃%≥	SiO₂%≤	Fe₂O₃%≤	Magnetic Object %≤
Common	0.3	99.4	0.1	0.05	0.001
Micro Sodium	0.06	99.7	0.1	0.03	0.001

F12 – F220 Particle Size Composition

Grain Size Marking	Ultra CoarseGrains	Coarse Grains		Medium Grains		Mixed Grains		Fine Grains
Grain Size Marking	100% Pass The Following Sieves/Sieve Number	Can not Pass The Following Sieves/Sieve Number	Weight≤%	The Sieve Can Not Pass/Sieve Number	Weight ≥%	The Sieve Can Not Pass/Sieve Number	Weight ≥ %	The largest quantity passing through following sieve≤3%
F12	7	10	18	12	48	12 14	70	16
F14	8	12	18	14	48	14 16	70	18
F16	10	14	18	16	48	16 18	72	20
F20	12	16	18	18	48	18 20	72	25
F22	14	18	18	20	48	20 25	72	30
F24	16	20	22	25	48	25 30	68	35
F30	18	25	22	30	48	30 35	68	40
F36	20	30	22	35	48	35 40	68	45
F40	25	35	28	40	43	40 45	68	50
F46	30	40	28	45	43	45 50	68	60
F54	35	45	28	50	43	50 60	68	70
F60	40	50	28	60	43	60 70	68	80
F70	45	60	23	70	42	70 80	66	100
F80	50	70	23	80	42	80 100	66	120
F90	60	80	18	100	42	100 120	66	140
F100	70	100	18	120	42	120 140	66	200
F120	80	120	18	140	42	140 170	66	230
F150	100	140	13	170 200	45	170 200 230	70	270
F180	120	170	13	200 230	45	200 230 270	70	270 ≤ 10%
F220	140	200	13	230 270	45	230 270 325	70	325 ≤ 10%

F230 – F1200 Micro Powder (sediment tube particle size analyzer)

Grain Size	Ds₃Max μm	Medium grain size Ds₅₀Value μm	Ds₉₅min μm
F230	77	55.7 ± 3.0	38
F240	68	47.5 ± 2.0	32
F280	60	39.9 ± 1.5	25
F320	52	32.8 ± 1.5	19
F360	46	26.7 ± 1.5	14
F400	39	21.4 ± 1.0	10
F500	34	17.1 ± 1.0	7
F600	30	13.7 ± 1.0	4.6
F800	26	11.0 ± 1.0	3.5
F1000	23	9.1 ± 0.8	2.4
F1200	20	7.6 ± 0.5	2.4 (80%)

F12 – F220 Physical Index Parameters

Grain Size	Bulk Densityg/m³	Magnetic substance content %	Cleanliness≥	Whiteness%
F12		0.0004	98.5	56.4
F14		0.0001	98.5	51.5
F16		0.0001	98.5	60.4
F20	1.78 – 1.85	0.0003	98.2	61.3
F22		0.0003	97.9	69.9
F24	1.78 – 1.85	0.0004	97.4	70.1
F30	1.77 – 1.82	0.0003	97.0	71.5
F36	1.74 – 1.81	0.0004	96.4	74.8
F40	1.73 – 1.80	0.0005	95.8	76.8
F46	1.71 – 1.83	0.0005	94.9	77.4
F54	1.68 – 1.78	0.0004	94.0	78.9
F60	1.67 – 1.77	0.0003	92.9	78.0
F70	1.59 – 1.72	0.0003	91.0	77.5
F80	1.57 – 1.72	0.0002	89.8	78.0
F90		0.0001	88.0	80.4
F100	1.57 – 1.68	0.0001	86.5	81.0
F120	1.57 – 1.64	0.0002	83.9	81.4
F150	1.53 -1.64	0.0002	80.8	78.8
F180	1.53 -1.64	0.0007	77.3	82.8
F220		0.0015	73.0	82.6

Note: Bulk density can be adjusted according to customer demand.

PEFA P Grain & Micro Powder: Chemical Composition And Particle Size Composition Standard

Chemical Composition

Chemical Composition	Na₂o%≤	Al₂o₃%≥	Sio₂%≤	Fe₂o₃%≤	Magnetic object %≤
Common	0.3	99.4	0.1	0.05	0.001
Micro Sodium	0.06	99.7	0.1	0.03	0.001

P12 – P220 Particle Size Composition

Grain Size	Ultra Coarse Grains				Coarse Grains		Medium Grains		Mixed Grains		Fine Grains
Grain Size	100% pass Sieve 1	Can not pass Sieve 2		%≤	Can not pass Sieve 3	Cumulative 2+3%	Can not pass the Sieve 4	Cumulative 2+3+4$	Can not pass Sieve 5	Cumulative 2+3+4+5≥%	Can pass Sieve 5	%≤
P12	6	8	1		10	14 ± 4	12	61 ± 9	14	92	14	8
P16	8	12	3		14	26 ± 6	16	75 ± 9	18	96	18	4
P20	12	16	7		18	42 ± 8	20	86 ± 6	25	96	25	4
P24	14	18	1		20	14 ± 4	25	61 ± 9	30	92	30	8
P30	16	20	1		25	14 ± 4	30	61 ± 9	35	92	35	8
P36	18	25	1		30	14 ± 4	35	61 ± 9	40	92	40	8
P40	25	35	7		40	42 ± 8	45	86 ± 6	50	96	50	4
P50	30	40	3		45	26 ± 6	50	75 ± 9	60	96	60	4
P60	35	45	1		5	14 ± 4	60	61 ± 9	70	92	70	8
P80	45	60	3		70	26 ± 6	80	75 ± 9	100	96	100	4
P100	50	70	1		80	14 ± 4	100	61 ± 9	120	92	120	8
P120	70	100	7		120	42 ± 8	140	86 ± 6	170	96	170	4
P150	80	120	3		140	26 ± 6	170	75 ± 9	200	96	200	4
P180	100	140	2		170	15 ± 5	200	62 ± 12	230	90	200	10
P220	120	170	2		200	15 ± 5	230	62 ± 12	270	90	270	10

P240 – P2500 Micro Powder (sediment tube particle size analyzer)

Grain Size	Ds₀max μm	Ds₃Max μm	Medium grain size Ds₅₀Value μm	Ds₉₅Min μm
P240	110	81.7	58.5 ± 2	44.5
P280	101	74.0	52.2 ± 2.0	39.2
P320	94	66.8	46.2 ± 1.5	34.2
P360	87	60.3	40.5 ± 1.5	29.6
P400	81	53.9	35.0 ± 1.5	25.2
P500	77	48.3	30.2 ± 1.5	21.5
P600	72	43.0	25.8 ± 1.0	18.0
P800	67	38.1	21.8 ± 1.0	15.1
P1000	63	33.7	18.3 ± 1.0	12.4
P1200	58	29.7	15.3 ± 1.0	10.2
P1500	58	25.8	12.6 ± 1.0	8.3
P2000	58	22.4	10.3 ± 0.8	6.7
P2500	58	19.3	8.4 ± 0.5	5.4