yixing haiyu refractory co.,ltd |
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high purity black carborundum steelmaking lapping special purpose brilliant black rust cleaning
Product name: black carborundum
Specification: 80#
Effect of black silicon carbide :
1. Abrasive : Foreign light industrial black silicon carbide is
mainly used for abrasive. Process black silicon carbide is in a
high position and a certain toughness, mostly used for grinding
optical glass, cemented carbide, titanium alloy and bearing steel
grinding and polishing, high-speed steel tool grinding ; black
silicon carbide is mostly used to cut and grind materials with low
tensile strength.
2. Refractory : Black silicon carbide is a kind of high-quality
refractory because of its good thermal shock resistance. According
to the consumption process of the product is not the same, can be
divided into red recrystallized black silicon carbide, products,
high temperature hot pressing products, silicon nitride or perhaps
clay as a binder products. The main products and uses are : high
temperature furnace components, supporting parts.
3.Electric appliance industry : In addition to various smelting
furnace lining, it is also used as steelmaking deoxidizer and cast
iron structure modifier. The requirements of the chemical elements
of black black silicon carbide are as follows : compared with the
traditional steelmaking process in which coke and silicon powder
are used to suspend evacuation and deoxidization, the use of
detachment agent has the advantages of good steel quality and good
resting environment.
4.Other areas : electrical industry, black silicon carbide
materials are also widely used as electric heating elements, high
temperature semi-superconducting materials, far infrared ray
plates, arrester valve materials.
PHYSICAL PROPERTIES(TYPICAL)
Particle size | chemical composition(%) | ||
SIC | F.C | Fe2O3 | |
12#-90# | ≥ 98.5 | ≤ 0.20 | ≤ 0.60 |
100#-180# | ≥ 98 | ≤ 0.30 | ≤ 0.80 |
220#-320# | ≥ 97 | ≤ 0.30 | ≤ 1.20 |
particle-size reconciliation:
Particle size | μm | Particle size | μm |
16 | 800 | 360 | 40 |
24 | 700 | 400 | 38 |
36 | 420 | 500 | 28 |
46 | 320 | 600 | 23 |
60 | 250 | 800 | 18 |
80 | 180 | 1000 | 13 |
100 | 150 | 1200 | 10 |
120 | 120 | 1500 | 8 |
150 | 106 | 2000 | 6.5 |
180 | 80 | 2500 | 5 |
200 | 75 | 3000 | 4.5 |
220 | 65 | 4000 | 3 |
240 | 60 | 6000 | 2 |
280 | 50 | 8000 | 1.5 |
320 | 45 | 10000 | 1 |