Abrasive Black Silicon Carbide/Carborundum Grits

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
2000 m.t./month

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Product Description:

Product Description

  

Product name

Abrasive black silicon carbide/Carborundum

Model No

BA-#20 

Brand name

CNBM

 

 

 

 

Description

  • Black silicon carbide is produced in an electric-resistance type furnace through fusing quarts sand and petroleum coke and high quality silica with high temperature. Its hardness is between fused alumina and diamond's. 

  • higher mechanical intensity than fused alumina's. 

  • It is brittle and sharp and has electrical and heat conductivity in some degree. Black silicon carbide, metallic, sic≥95%, stronger than green silicon carbide but softer than green silicon carbide, is mainly used for grinding of cast iron and non-metallic materials.

 

 

 

 

Advantage

  1. Raw materials are of high quality: pure silicon carbide, guaranteeing the products’ good quality.

  2. Sharp knife-edge, having cutting function.

  3. Centralized and uniform particle size distribution

  4. Electrical conductivity

  5. Heat conductivity

  6. Chemical stability

  7. High thermal conductivity

  8. Low expansion coefficient

  9. Good abrasion-resistance

 

 

 

 

 

Parameter

  • The shape: polygon

  • Color: black

  • Proportion:3:2

  • Bulk density:1.45-1.56 g/

  • Mircohardness:2840-3320g/mm2

  • Mosh hardness: 9.15

  • Package: 25\kg

  • Composition%:SiO≥92.5%,Free C≤0.3%,Fe2O3≤1.2%

 

Usage

  • Black silicon carbide, sic≥98.5%,its toughness is better than green silicon carbide.

  • Mostly for processing low tensile strength of the materials, such as glass, ceramics, stone, refractory materials, cast iron and non-ferrous metals.

Shipping way

By sea, by air, by express

Delivery time

Within 7 days from the receipt of payment

Loading seaport

Shenzhen

Package

25kg/bag with woven bag

Price term

FOB Shenzhen, CFR,, CIF, FCA, EXW ect

Payment term

100% T/T in advance(negotiation)

 Abrasive Black Silicon Carbide/Carborundum Grits


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Q:what should be paid sttention when buying the refractory?
First, look at the appearance of the product, it will be better if the surface of product is smooth, if there are the injuries and damages which may influence the use, do not use it. Second, the main characteristics of insulation material is flame resistance, reduce the loss of fire occurred at the time of purchase combustion performance testing products, non-combustible stone wool products are the best. Third, refractory insulation with good hygroscopicity is also very important, it can keep your room drying for a long time , played the role of moisture-proof, and more capillary, the hygroscopicity is better.
Q:Urgent question: could you tell me that the export of refractory materials to Vietnam is to be packed in wooden cases and smoked?
Solid wood logs are necessary. If it is the type of smoke free material, it will not be necessary. You'd better confirm it with the port of destination. Vietnam has the requirement to smoke
Q:What are the materials for refractory materials? What are their name?
High temperature oxide materials in refractory special applications, such as aluminum oxide, lanthanum oxide, beryllium oxide, calcium oxide, zirconium oxide, refractory compounds, such as carbides, nitrides, borides, silicides and sulfides; high temperature composite materials, including metal ceramics, high temperature inorganic coatings and fiber reinforced ceramics.
Q:What is the concept of lightweight refractory material?
Lightweight refractory material has high porosity, mechanical strength and erosion resistance. Compared with normal refractory bricks, it is a kind of refractory material with large volume shrinkage in high temperature, low thermal conductivity and small bulk density. It is used as thermal insulation material in industrial furnace and other thermal equipments. It has poor wear resistancel.
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Refractory busway is designed for the power supply in fire-fighting equipment, and it can not be used for other purposes. As the generatrix has good heat resistance, thermal insulation, and the heat of the busway can not be emitted, it can not be used long-term at full capacity. In addition to fire-resistant busway, other bus lines can be operated long-term at full load.
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Chromium quicksand can be used in steel-making process that has longer refining time like LF, VD and RH, in stainless steel drainage and thin plate drainage agent. Silicious quicksand is used in short steel-making process, process that is less than 45 seconds or process without refining. You can consult Hua Heng for details or inspect it by yourself.
Q:who knows the uses of refratories?
Physical properties of refractories include structural properties, thermal properties, mechanical properties, usability and operation. structural properties of refractories include porosity, bulk density, water absorption, air permeability, pore size distribution. Refractory thermal properties include thermal conductivity, thermal expansion coefficiency, specific heat, heat capacity, thermal diffusivity, thermal emissivity. Mechanical properties of refractories include compression strength, tensile strength, anti bending strength, torsional strength, shear strength, impact strength, abrasion resistance, creep property, adhesive strength, modulus of elasticity. Refractories are used in various fields of steel, nonferrous metals, glass, cement, ceramics, petrochemical, machinery, boilers, light industry, power, military and other fields of national economy. They are essential materials that ensures the production run and technological development of the above industries, and play an important role in promoting the developemnt of high temperature industrial production. the usability of refractories include refractoriness, softening temperature under a fixed load, linear change on reheating,thermal shock resistant performance,slag resistance, acid resistance, alkali resistance, hydration resistance, carbon monoxide resistance, conductivity, oxidation resistance.
Q:Which are roofing fireproofing material?
(1) Foamed concrete is a kind of fire-proof thermal inuslation matertial featured by good fire resistance and thermal insulation. Besides, it is also characterized by excellent sound proofing, penetration resistance, easy construction, safety and environmental protection without toxin and pollution. (2) Foam glass is featured by light weight, small heat conductivity coefficient and water absorbption, non-inflammability, fire resistance, high strength, no moulding, corrosion resistance, non-toxin and stable physical and chemical properties and thus widely used petroleum, chemical engineering and underground construction. It is also featured by thermal insualtion, heat/cold preservation and sound absorbption and thus can be used for thermal insulation of external wall and roof of civil builduing. Foam glass is featured by stable chemical property, easy to be processed and not easy to deforme, and durable. (3) With slag, basalt and other natural ore as the main raw material, rock wool, mineral wool and its products are made by high temperature melting into fiber, and then processing with binder. It has low thermal conductivity, fire resistance, easy construction and good effects of energy saving and thus is highly cost-effective. (4) With phenolic foam material as main material, phenolic resin plate is made by foaming thermoset phenolic resin. It is featured by light weight, fire resistance, no burning in the air, no smoking, non-toxin, no dropping and non-embrittlement and thus is an ideal thermal insulation material used in HAVC projects. Due to its high obturator formamen rate, low heat conductivity coefficient, good thermal insulation, water resistance and water vapor permeability, phenolic foam is an ideal thermal insulation material.
Q:Who knows the texture of fire-proof wooden door material?
The so-called fire doors are only posted a layer of fireproof material. Door selection still depends on the timber inside. The simplest way is to see the weight value, fireproof material layer, and they are generally paint-free doors. With fireproofing function.. Hope you adopt.

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