棕剛玉統稱棕色氧化鋁,金剛砂,氧化鋁含量為95%及以上,根據客戶不同的需求可以訂制加工成不同的型號,品質為歐標,日 標一級品,密度大,硬度高,耐高溫,是由鋁礬土經電弧爐冶煉而成,呈棕褐色,產品硬度高、韌性大,用其製成的磨具適用於磨削碳素鋼、一般合金鋼、可鍛鑄鐵、硬青銅等,並廣泛應用於剛玉鐵溝澆鑄料,搗打料等耐火製品。
Grit Size | Al2O3 | Fe2O3 (Iron Oxide) | CaO (Calcium Oxide) | Titanium Oxide (TiO2) |
F12-F20 | 95.0 | 0.2 | 0.3 | 1.7 |
F24-F90 | 95.0 | 0.2 | 0.3 | |
F100-F120 | 95.0 | 0.2 | 0.4 | |
F150-F180 | 95.0 | 0.3 | 0.4 | |
F230-F280 | 95.0 | 0.4 | 0.5 | |
F320-F600 | 94.0 | 0.4 | 0.5 | |
F800-F1000 | 94.0 | 0.5 | 0.5 | |
F1200 | 94.0 | 0.5 | 0.7 |
Brown fused alumina, BFA corundum with 95% purity.
Brown fused aluminium oxide powder and grit FEPA, JIS, GB standard.
Special specification 0-10mm, 200mesh
Powder, micro powder, grains, for sand blasting, grinding, polishing, abrasive making, refractory.
FEPA Standard
F4,F5,F6,F7,F8,F10,F12,F14,F16,F20,F22,F24,F30,F36,F40,F46,F54,F60,F70,F80,F100,F120,F150,F180,F220
F240,F280,F320,F360,F400,F500,F600,F800,F1000,F1200
P grade
JIS standard
#4,#5,#6,#7,#8,#10,#12,#14,#16,#20,#22,#24,#30,#36,#40,#46,#54,#60,#70,#80,#100,#120,#150,#180,#220
#240,#280,#320,#360,#400,#500,#600,#800,#1000,#2000,#3000,#4000,#6000,#8000
25kg bags in ton bag
25kg bags on pallet
1000kg bags