Black silicon carbide
Black, frangible and sharp, good thermal conductivity and electric conductivity.Microcosmic shape is a hexagonal crystal, Mohs hardness is 9.3, Vickers hardness is 2940-3300 kg/mm, microhardness is 2670-2815 kg/mm3. Among abrasives, silicon carbide's hardness is higher than corundum, and ranked below diamond, CBN and boron carbide. Density generally viewed is 3.20g/ mm3 , density of heap is 1.2-1.6g/ mm3 , specific gravity is 3.20～3.25. Raw material of green silicon carbide are petroleum coke and quality silicon sand, appended with salt, then smelt in electric arc furnace. Compared with green silicon carbide, the purity, hardness and brittleness of black silicon carbide are lower .
Main applications: solar wafer, semiconductor wafer and quartz chip wire sawing and lapping; bonded and coated abrasive tools; stone polishing; processing metal and non-ferrous metal with low tensile strength, such as gray pig iron, brass, aluminum, stone, leather and rubber.
Contact : lina zhao, +86 18638866410
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60386 Audio and VideoReport abuse
Wednesday, June 29, 2022
Quantity : 100
Fitbit Versa 2. Taille de l'écran: 3,55 cm (1.4"), Type d'écran: AMOLED, Résolution de l'écran: 300 x 300 pixels, Écran tactile. Wifi. Capacité de la batterie: 165 mAh. Poids: 38 g. Humidité : étanche jusqu'à: 50 m, Matériau du boîtier/corps: Aluminium, Couleur du boîtier: Noir, Gris...
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- +49 (69) 9 150 750 14
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- +49 (69) 9 150 750 14
10000 Construction goodsReport abuse
Tuesday, July 07, 2026
Quantity : 300 - Price : 15 USD/Square meter
Product Description Product Name Marble stone Materials Marble Colors Pure white, milky white, crystal grey, yellow, multicolor, … Sizes 30x30 cm, 30.5x30.5cm Other as customized Usage Used for wall cladding, indoor decoration Surface Polished, honed, sanded Edge processing...
NHAT HUY NATURAL STONE
- 10000 - Hanoi
- +84 4 36 36 75 00
