• Black Silicon Carbide Raw Materials for Refractory System 1
  • Black Silicon Carbide Raw Materials for Refractory System 2
  • Black Silicon Carbide Raw Materials for Refractory System 3
Black Silicon Carbide Raw Materials for Refractory

Black Silicon Carbide Raw Materials for Refractory

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Specifications

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;


Q: Is refractory material harmful to human body?
Part is harmful to human body, mainly refractory raw material, silica powder inhalation can cause lung tuberculosis, siliceous fiber on the human body does have great harm, in fact, like other inorganic fiber in the inhalation of the trachea or lung after the same harm to human
Q: How to solve the shell, the crack problem of refractory material in the process of forming.
Pressure mode and number of pressure control "spallation". 2, multiple pressure, pressure degree and discharge way: 1, reduce friction, choose appropriate, than big pressure disposable pressure produced by the plastic deformation, allocate reasonable grading, internal and external friction, reduce billet particles and high die wall bright. 4.--- solve the light one firstly. --moisture content being too high easily cause spallation - the compressibility of water is small and have certain elasticity, appropriately to extend the pressuring time is beneficial. The material can produce large plastic deformation under the effect of continuous load. The right amount of lubricant. - body under the condition of less pressure but long effect time molding. Mould structure is reasonable and improve billet natural stacking density. 5.3, measures to improve the unburned brick molding quality. Many times continuously pressure relief is better than one-off sudden unloading, and controlling the appropriate moisture content;- - is beneficial to air overflow.
Q: What are the basic requirements of continuous casting for molten steel? What are the requirements for refractory materials?
Refractories for continuous casting is an important part of the continuous casting machine, in addition to the characteristics of general refractory material, also for the purification of molten steel and improve the steel quality, stable molten steel temperature and composition, control and regulate the flow of the molten steel and other functions, so it is called functional refractories. The above is provided by the China Technology Department
Q: Who can tell me about the foundry refractory materials?
Such as: neutral, alkalic, acidic refractories. Of course, the raw materials of different materials are not the same. Such as: the magnesia-carbon bricks, basic refractory materials: magnesite(electric?smelting, high-purity)+ crystalline flake graphite+ phenolic resin+ additive (aluminate or silicon powder or silicon carbide powder or high-temperature pitch) and so on.
Q: What refractories have good mechanical property resistance and heat expansion and cold contraction property?
Aluminium oxide ceramics. I would like to know that what kinds of refractory materials can combine together and what kind of masonry way can be used for these materials so as to achieve the perfect combination.
Q: Does refractory belong to stone, building materials or other?
Refractories belong to organic non-metallic materials.
Q: What are the differences between first-level fire-resistant materials and second-level fire-resistant materials?
1, these refer to fire resistance rating of building materials. 2, As for steel, elements that used in different parts should reach different duration of fire resistance according to fire resistance rating. For example, fire resistant pillars of first level can endure fire within 3 hours; the second level, 2.5 hours; the third level, 2 hours. With respect to beams, three levels of fire resistance are included.
Q: Fire insulation and fireproof insulation board materials What is the difference in performance?
What is the difference between fireproof insulation board and fireproof materials in their performance? Fireproof Materials prevents burning through insulating while others by chemical reactions. The overall heat conductivity coefficient of Insulation materials are generally lowered by thermal conductivity of the material itself and the structure of the material. Inorganic active insulation material uses ordinary cement, insulation stone, calcium powder, platycodon grandiflorum as the main raw material, produced after numerous tests with advanced production technology and chemical technology. Products features fire retardant,anti-aging properties and stable performance, low deformation coefficient, environmentaly friendly, compatible with the wall base layer and plastering layer. It has good security and stability and is as durable as ordinary buildings. Strong fire resistance: Fire insulation board is made of inorganic materials (cement), fireproofing level reaching to A1. As it does not burn, it is fireproof.
Q: Does anyone know the fire endurance of steel stud partition?
Indeed ① Dragon Brand gypsum board fire-resistant partition: Its fireproofing extreme time is 4 hours, suitable for firewalls of a variety of public buildings, public exit passageway and other partitions, which meets the first level of fire protection standard ② fireproofing and pressure-resistant partition: Refers to the partition which can withstand momentary gas shocks of over 1200pa , mianly used for the room partition with inert gas fire-fighting needs, such as equipment rooms. The pressure-resistant degree of fireproofing and pressure-resistant partition of Beixin Building Materials can be up to 4800Pa, especially suitable for high-rise fireproofing.
Q: Pals who know something about fire resistant material please tell me how many types of refractory material there are
Classified into ordinary and special refractories. The ordinary refractory material is calssified into acid, neutral and alkaline according to the chemical property. Special refractory material is calssified into high temperature oxide according to the composition for , infusible compound and high temperature composite in addition, can be divided into ordinary refractory products according to the fire intensity (1580 ~ 1770 DEG C), high-grade refractory products (1770 ~ 2000 DEG C) and special refractory products (2000 DEG C above). According to the products shape can be divided into bulk (standard brick, special-shaped brick block, special shape (crucible, sagger, pipe, etc), fibrous shape (silicates of aluminum and zirconium oxide and boron carbide matter) and irregular shape (fireclay, refractory castables and incompletely material).

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