Zhengzhou Zhengtong Abrasive Import&Export Co.,Ltd
Zhengzhou Zhengtong Abrasive Import&Export Co., Ltd is exporter of blasting media ceramic beads, brown fused alumina, black fused alumina, white fused alumina & grinding media zirconia beads,
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BROWN ALUMINUM OXIDE GRITS FOR BONDED ABRASIVES AND SANDBLAST
Brown Fused Aluminum Oxide is an extremely aggressive and hard abrasive, the fine grits 70#,80#,90#,100#,120#,150#,180#,220#, etc. is most efficient blasting media,used primarily for blasting non-ferrous surfaces where ferric contamination is a concern ,We offer the full line of brown aluminum oxides (corundum) in all China GB/T, ANSI and FEPA gradations.
* Brown Fused Aluminum Oxide abrasive is more than 95% pure aluminum oxide. Blasting with Brown Fused Aluminum Oxide will not promote ferric contamination or rust on your surface.
* Brown Fused Aluminum Oxide’s uniform particle size provides consistent coverage and surface finish, increasing production rates.
*The low friability of Brown Fused Aluminum Oxide allows it to be recycled up to seven times or more.
Commodity: Brown Fused Alumina
Production Type: Tilting Furnace, Barmac Crushing, Air Blow Cleaning
| Chemical Index | ||||
| Al2O3 | SiO2 | Fe2O3 | TiO2 | CaO |
| 95%min. | 1.0% max. | 0.3% max. | 2.0%-3.0% | 0.45% Max. |
| Physical Index | ||||
| Color | Crystal Form | True Specific Gravity | Vickers Hardness | Melting point |
| Brown | Trigonal Crystal | 3.97g/cm3 | 2100kg /mm2 | 2000 °C |
| F4-F220 Abrasive Particle Size Distribution (GB/T2481-1998) | |||||||||||||||
| Grit Size | Coarsest grits | Coarse Grits | Basic Grits | Mixed Grits | Fine Grits | ||||||||||
| No. | Mesh size | over flow | Screen | Mesh size | over flow | Screen | Mesh size | over flow | Screen | Mesh size | over flow | Screen | Mesh size | over flow | |
| # | um | % | # | um | ≤% | # | um | ≤% | # | um | ≤% | # | um | ≤% | |
| F4 | 5*16 | 8000 | 0 | 3.5 | 5600 | 20 | 4 | 4750 | 40 | 4 5 | 4750 4000 | 70 | 6 | 3350 | 3 |
| F5 | 0.265 | 6700 | 0 | 4 | 4750 | 20 | 5 | 4000 | 40 | 5 6 | 4000 3350 | 70 | 7 | 2800 | 3 |
| F6 | 3.5 | 5600 | 0 | 5 | 4000 | 20 | 6 | 3350 | 40 | 6 7 | 3350 2800 | 70 | 8 | 2360 | 3 |
| F7 | 4 | 4750 | 0 | 6 | 3350 | 20 | 7 | 2800 | 40 | 7 8 | 2800 2360 | 70 | 10 | 2000 | 3 |
| F8 | 5 | 4000 | 0 | 7 | 2800 | 20 | 8 | 2360 | 45 | 8 10 | 2360 2000 | 70 | 12 | 1700 | 3 |
| F10 | 6 | 3350 | 0 | 8 | 2360 | 20 | 10 | 2000 | 45 | 10 12 | 2000 1700 | 70 | 14 | 1400 | 3 |
| F12 | 7 | 2800 | 0 | 10 | 2000 | 20 | 12 | 1700 | 45 | 12 14 | 1700 1400 | 70 | 16 | 1180 | 3 |
| F14 | 8 | 2360 | 0 | 12 | 1700 | 20 | 14 | 1400 | 45 | 14 16 | 1400 1180 | 70 | 18 | 1000 | 3 |
| F16 | 10 | 2000 | 0 | 14 | 1400 | 20 | 16 | 1180 | 45 | 16 18 | 1180 1000 | 70 | 20 | 850 | 3 |
| F20 | 12 | 1700 | 0 | 16 | 1180 | 20 | 18 | 1000 | 45 | 18 20 | 1000 850 | 70 | 25 | 710 | 3 |
| F22 | 14 | 1400 | 0 | 18 | 1000 | 20 | 20 | 850 | 45 | 20 25 | 850 710 | 70 | 30 | 600 | 3 |
| F24 | 16 | 1180 | 0 | 20 | 850 | 25 | 25 | 710 | 45 | 25 30 | 710 600 | 65 | 35 | 500 | 3 |
| F30 | 18 | 1000 | 0 | 25 | 710 | 25 | 30 | 600 | 45 | 30 35 | 600 500 | 65 | 40 | 425 | 3 |
| F36 | 20 | 850 | 0 | 30 | 600 | 25 | 35 | 500 | 45 | 35 40 | 500 425 | 65 | 45 | 355 | 3 |
| F40 | 25 | 710 | 0 | 35 | 500 | 30 | 40 | 425 | 40 | 40 45 | 425 355 | 65 | 50 | 300 | 3 |
| F46 | 30 | 600 | 0 | 40 | 425 | 30 | 45 | 355 | 40 | 45 50 | 355 300 | 65 | 60 | 250 | 3 |
| F54 | 35 | 500 | 0 | 45 | 355 | 30 | 50 | 300 | 40 | 50 60 | 300 250 | 65 | 70 | 212 | 3 |
| F60 | 40 | 425 | 0 | 50 | 300 | 30 | 60 | 250 | 40 | 60 70 | 250 212 | 65 | 80 | 180 | 3 |
| F70 | 45 | 355 | 0 | 60 | 250 | 25 | 70 | 212 | 40 | 70 80 | 212 180 | 65 | 100 | 150 | 3 |
| F80 | 50 | 300 | 0 | 70 | 212 | 25 | 80 | 180 | 40 | 80 100 | 180 150 | 65 | 120 | 125 | 3 |
| F90 | 60 | 250 | 0 | 80 | 180 | 20 | 100 | 150 | 40 | 100 120 | 150 125 | 65 | 140 | 106 | 3 |
| F100 | 70 | 212 | 0 | 100 | 150 | 20 | 120 | 125 | 40 | 120 140 | 125 106 | 65 | 200 | 75 | 3 |
| F120 | 80 | 180 | 0 | 120 | 125 | 20 | 140 | 106 | 40 | 140 170 | 106 90 | 65 | 230 | 63 | 3 |
| F150 | 100 | 150 | 0 | 140 | 106 | 15 | 200 | 75 | 40 | 200 230 | 75 63 | 65 | 325 | 45 | 3 |
| F180 | 120 | 125 | 0 | 170 | 90 | 15 | 200 230 | 75 63 | 40 | 200 230 270 | 75 63 53 | 65 | |||
| F220 | 140 | 106 | 0 | 200 | 75 | 15 | 230 270 | 63 53 | 40 | 230 270 325 | 63 53 45 | 60 | |||
Supply Capacity
Brown Aluminum oxide grits especially F 20#, 24#, 30#, 36#, 46#, 60#, 70#, 80#
Aggressive Cleaning, Removing Corrosion and Other Surface Deposits, Roughening, Etching and Decorating, Removing Rust/Scale, Stainless Steel Fabrication
Especially for molds sandblasting, like C/P forming Die Molds, Shoe molds, etc..
Take C/P Forming Die Molds for example:
| Blasting Parts | Abrasive | Size | Air pressure | Notes |
| Upper cover side wall | Brown Aluminum Oxide | 60#, | 3.5kg | Drawing |
| 150# | 3kg | |||
| Upper cover slider | Brown Aluminum Oxide | 60# | 3.5kg | Bottom Pattern |
| 150# | 3kg | Bottom Pattern | ||
| 220# | 3kg | |||
| Shutter Pattern | Brown Aluminum Oxide | 60# | 3kg | Bottom Pattern |
| 150# | 3kg | Bottom Pattern | ||
| 220# | 3kg | |||
| Fan cover | Brown Aluminum Oxide | 60# | 3kg | Coarse |
| 150# | 2.5kg | Fine | ||
| Under cover pattern | Brown Aluminum Oxide | 60# | 3-3.5kg | Coarse |
| 150# | 3kg | Fine |
Why Choose us?
1) 20 years abrasive industry experiences
2) Direct Factory supply & Fixed abrasive sources
3) On-site inspection in factory for each shipment
4) Samples tests each lot in Zhengzhou Research Institute for Abrasives& Grinding Co., Ltd
Our Brown fused alumina grit has been exported to Japan, India, Israel, Russia, Poland etc.
Pls send me email to get Brown fused alumina datasheet /samples and quotation…
Caroline Cui