Черная зернистость из карбида кремния F12

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Характеристики


F12 Black silicon carbide Grit


F12 black silicon carbide : in abrasives and refractory is produced at high temperature in an electric resistance type furnace with quarts sand and petroleum coke as its main raw marterials .Its hardness is between fused alumina and synthetic diamond. Mechanical intensity of it is higher than fused alumina .It is brittle and sharp has electrical and heat conductivity in some degree.The abrasives made of it are suitable for working on cast iron,non-ferrous metal,rock, leather,rubber,etc.It is also broadly used as refractory material and metallurgical additive.


 


 





















































black silicon carbide chemical composition




Sic




F.C




Fe2o3




98.5%(min)




0.2%(max)




0.15%(max)




black silicon carbide physical properties




1




color




Black




2




Moh's hardness




9.3




3




Bulk density




1.2-1.6g/cm3




4




True density




3.2-3.25g/cm3




5




Melting point




2250℃




6




Maximum operating temperature




1900℃



 14#.jpg


 














































F12 macrogrit particle size distribution 
Grit1233 and 43, 4, and 5Q6max, %
W1, μm Q1, %W2, μm Q2max, % W3, μm Q3min, %W4, μm Q3+Q4min, %W5, μm Q3+Q4+Q5min, %
F12280002000201700451400701180*3
* - not regulated
W1,W2,W3,W4,W5 - cell size of 1,2,3,4 and 5 sieve in light
Q1,Q2,Q3 - rest of grinding material on sieves 1,2 and 3
Q3+Q4 - total rest of grinding material on sieves 3 and 4
Q3+Q4+Q5 - total rest of grinding material on sieves 3, 4 and 5
Q6 - rest of grinding material on pallet

Black silicon carbide packing


 


SIC (8)


SIC (5)


 


 


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