black silicon carbide

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Specifications
Black silicon carbide
1competitive price&good quality
2.SiC: 98.5%min;
3.high temperature refractoriess

Specifications

Black silicon carbide 1competitive price&good quality 2.SiC: 98.5%min; 3.high temperature refractoriess

Black silicon carbide

Introduction

Black silicon carbide, a kind of man-made material that is made from quartz sand, petroleum coke. The material goes through high temperature electric resistance type furance and cooling.

Excellent raw material makes good hardness and toughness,high efficiency and durability.

Specification

  • Stable chemical property

  • Suitable hardness and brittleness;

  • Good cutting shape

  • Competitive price with quick delivery time;

Physical Index

  • Crystal System: Hexagonal;

  • Color: black

  • True density: 3.10g/cm3

  • Mohs hardness: 9.1

  • Mircor hardness: HV3100-3200

Chemical Compostion

Grit Size           SiC                    F.C                 Fe2O3

  F24               98.71%            0.11%                0.21%

  F90               98.51%            0.15%                0.18%

  F150             98.48%            0.16%                 0.17%

Size Available

  • F12-F1200,P12-P2500;

  • 0-1mm,1-3mm,5-10mm,200-0meh;

  • Other size is available as required;

Application

  • Grinding non-ferrous material, stone, leather, rubber, and other hard metals;

  • Grinding wheels, abrasive belts;

  • As main material of deoxidier;

  • Founctional ceramic; Metallurgy;

  • High advanced refractory material

Packing: 25kg/bag,1000kg/big bag;

             1000kg/big bag; Or with one pallet packing;

             other packing is allowed as required;

Payment: T/T, L/C, D/A,D/P;


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Q:Can the teflon material resist fire?
Teflon material does not burn, but the heat resistance temperature of it is about 300℃.
Q:Fire rating of decoration materials
You can refer to (code for fire protection design of buildings)
Q:What is molten silicon? What refractoriness do refractories made by it have? What properties of using does it have?
Molten silicon can be called quartz glass, which shows an amorphous silicon state. It is a liquid fusion at above 1723 degree and is an ultra-cooling state at low temperatures. It is not generated in refractories, but generated in the matrix, showing liquid state at a high temperature capable of buffering the stress with somewhat binding properties. If quartz glass is used as refractory, its function are melrly these ones. (These are what I konw for reference only.)
Q:What kind of refractory materials are used in metallurgy industry?
Argon-blowing rod, siliceous dry vibrating materials, desulfurizer, slag-stopping ball, stainless steel thermal insulating agent with high efficiency, dry vibration material, sizing nozzle heat-insulating panel, chrome refractory , refractory carstables for ladles, magnesia carbon refractory, package castable, siliceous drainage agent, tundish block, iron trough, deoxidizer, compound deoxidizer,silicon manganese alloy , stemming, floating plug,slagging agent. The main materials are as follows: recarburizer, covering agent, intermediate frequency furnace burden, mould fluxes, insulation thin slag agent, skimmer repair material, joint sealant.
Q:What requirements should refractory materials meet?
The operating temperature of forging furnace is above 1000, which can ensure the normal operation of the furnace, prolong the life of the furnace and save energy. General requirements for refractories are as follows. 1 They should deform at a sufficient temperature without melting. 2, They should have necessary structural strength without softening and deforming. The volume should be stable at high temperature without expansion, contraction or cracking. 4, They can resist erosion of molten metal, slag, gas and other chemicals.
Q:What kind of material is refractory fiber?
Refractory fiber, also known as ceramic fiber, is a fibrous thermal insulation refractory. Refractory fiber, also known as ceramic fiber, is a fibrous thermal insulation refractory. It has the characteristics of ordinary fibers, such as softness, flexibility, having a certain tensile strength. And it can be further processed into a variety of products such as paper, wire, rope, tape, blankets and felts. Besides, it has high temperature resistance and corrosion resistance which ordinary fibers don't have. As a fire retardant and thermal insulated material, it has been widely used in metallurgy, chemical, machinery, building materials, shipbuilding, aviation, aerospace and other industrial sectors.
Q:how to use boiler fireclay
Boiler refractory, diluted with water to touch the places where needed, can be used after high temperature baking.
Q:What is the acceptance standard of refractory?
It depends on the variety of materials. In general the main test items include chemical composition, refractoriness, refractoriness under load, creep, volume density, linear change, strength, slag resistance, thermal conductivity and thermal expansion. If it is shaped products, it is required to inspect the size deviation and whether it has edge. Detection method accords with the relevant national standards and there are lots of them. You can refer to the standard compilation.
Q:How is the development of Xinmi refractories industry? What's its advantages and disadvantages?
The disadvantage is too small yard, vicious competition among each other and confusion in the market, which should be the inferiority of national refractory industry . Xinmi Refractory is well developed in recent years, mostly acidic and neutral refractories. It is still relatively rare to use in iron parts, steel pile with a satin and other basic refractory slide .
Q:How long is the fire endurance of Grade A fire resisting shutter
The fire endurance of Grade A fire resisting shutter is not lower than 1.20h. Use fire resisting shutter as fire compartment separation in places where it is difficult to set firewall. When fire resisting shutter whose unexposed surface temperature rise is used as judging condition of fire endurance is used, its fire endurance should not be lower than 3h. When fire resisting shutter whose unexposed surface temperature rise is used as judging condition of fire endurance is not used, individual protection of  closed automatic water spray system shoule be set at two sides of the shutters and duration of water spray system should not be less than 3.0h.

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