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•Free Abrasives – Silicon Carbide (SiC)


sic photo

The SiC is produced by the quartz and petroleum coke as the primary ingredients & governs under the high temperature. Assumes many kinds of crystals, with high hardness, brittle and sharp, and has a good electrical and heat conductivity, Suitable for cut many kinds of different metals, nonmetallic material. In addition, may also manufacture as high-level refractory appliances and so on.

SiC is made of high quality ingredient and material, has good characteristic, such as high purity, great compact density, high toughness, excellent anti-fracture performance. After our precisely select, guarantee the homogeneous particle shape, tight particle distribution, pure particle surface, and ensure the superior quality.

Suitable for manufacture semiconducting material for wire sawing/slicing with free abrasives and conforms to the industry the widespread application. Including the precision machinery processing, Sawing, Grinding, Lapping, Polishing and the Super Finishing.

 

物 理 特 性

 

Item Physical Characteristics
 Basic mineral  α-SiC
 Crystal system  Hexagonal
 Crystal Color  Green
 Density  ≧/cm3
 Mohs hardness  9.15
 Micro hardness  HV3280~3400
 Grinding ability  0.28
 Liner expansion coefficient  4.6 (when . 10E-6/K)
 Electrical Resistivity  3x10E6~3x10E7Ω.cm

产 品 规 格

 

粒度 MDWEC 研磨粉
粒度规格
日规标准
(JIS R6001-1998)
国际标准
ISO8486.2-1996
欧规标准
(FEPA-GB-1984)
 #800  20.8 ±2  14 ±1.0  6.5 ±1.0  6.3±1.0
 #1000  14.1 ±1  11.5 ±1.0  4.5 ±0.8  4.5±0.8
 #1200  12.8 ±1  9.5 ±0.8  3.0 ±0.5  3.1±0.5
 #1500  10.2±0.5  8.0 ±0.5 - -

 

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