品牌:紅育 | 型號:優質黑剛玉36 | 規格:25公斤/袋 噸袋 包裝嘜頭按要求印制 9 |
材質:一水型和三水型高鋁礬土 | 粒度:F6--500按要求生產1 | 適用范圍:噴砂 拋光 砂輪紗佈耐火材料 |
用於自由研磨,如制品電鍍前的打磨工粗磨,主要用於不銹鋼,金屬制品,光學玻璃,竹木制品的拋光和噴砂,又是制造樹脂砂輪,切割片,紗佈的新穎磨料。本公司黑剛玉黑剛玉磨料基本粒集中,切削力強,韌性大,剛柔相濟,耐磨性好,工效高。是磨削拋光、噴砂不銹鋼制品的最理想產品。 黑剛玉理化指標: | |||||||||||||||||
Black corundum made by smelting bauxite in the electric arc furnace, it is crystalline solid of ash black color and characterized by its High-ductility, high temperature stability.
Black corundum is mainly suitable for free grinding, such as coarse grinding before electroplating products, mainly for polishing and sandblasting of stainless steel, fabricated metal products. Our company’s black corundum has concentrated abrasive grain with strong cutting, great toughness, good abrasion resistance, high efficiency. It is the ideal product for grinding polishing, sand blasting and stainless steel products.
Black corundum’s physical and chemical indicators:
Specifications | 主要化學成分% Main chemical composition% | ||
Al2O3Al2O3 | Fe2O3Fe2O3 | SiO2SiO2 | |
BA—ⅠBA-Ⅰ | 81—8581-85 | 9—119-11 | ≤8≤ 8 |
BA—ⅡBA-Ⅱ | 75—8075-80 | 10—1210-12 | ≤10≤ 10 |
Item | 指標Indicators |
顏色Color | 黑色Black |
晶形Crystal | 三方晶系Trigonal system |
硬度(莫氏)Hardness (Mohs) | ≥9.0≥ 9.0 |
熔點(℃)Melting point (℃) | 20502050 |
最高使用溫度(℃)The maximum temperature (℃) | 18501850 |
真密度(g/cm3)True Density (g/cm3) | ≥3. 50≥ 3. 50 |
線膨脹系數(0—1600℃)Linear expansion coefficient (0-1600 ℃) | 7—97-9 |
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