$Raw Materials for Refractory:Silicon Carbide Black and Green System 1$
$Raw Materials for Refractory:Silicon Carbide Black and Green System 2$
$Raw Materials for Refractory:Silicon Carbide Black and Green System 3$

$Raw Materials for Refractory:Silicon Carbide Black and Green$

$Raw Materials for Refractory:Silicon Carbide Black and Green System 1$

$Raw Materials for Refractory:Silicon Carbide Black and Green System 2$

$Raw Materials for Refractory:Silicon Carbide Black and Green System 3$

Raw Materials for Refractory:Silicon Carbide Black and Green

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 0 m.t.

Supply Capability:: 150000 m.t./month

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	Chemical Composition(%)	Chemical Composition(%)	Chemical Composition(%)
SiC	F.C	Fe2O3
≥	≤
SiC99.5	99.3	0.20	0.14
SiC98.5	98.5	0.20	0.60
SiC98	98	0.30	0.80
SiC97	97	0.30	1.00
SiC95	95	0.40	1.00
SiC90	90	0.60	1.20
SiC70	70	3
SiC65	65	5
SiC60	60	10
SiC55	55	10
SiC50	50	10

Grade	Size Distribution(µm)	Chemical Composition
D0 Max	D3 Max	D50 Median	D94 Min	SiC≥	F·C≤	Fe2O3≥
#360	86.0	66.0	35.0±2.0	23.0	99.0	0.12	0.12
#400	75.0	58.0	30.0±2.0	20.0	99.0	0.12	0.12
#500	63.0	50.0	25.0±2.0	16.0	99.0	0.12	0.12
#600	53.0	43.0	20.0±1.5	13.0	98.90	0.13	0.13
#700	45.0	37.0	17.0±1.3	11.0	98.90	0.13	0.13
#800	38.0	31.0	14.0±1.0	9.0	98.80	0.14	0.14
#1000	32.0	27.0	11.5±1.0	7.0	98.80	0.14	0.14
#1200	27.0	23.0	9.5±0.8	5.5	98.80	0.14	0.14
#1500	23.0	20.0	8.0±0.6	4.5	98.70	0.15	0.15
#2000	19.0	17.0	6.7±0.6	4.0	98.70	0.15	0.15
#2500	16.0	14.0	5.5±0.5	3.0	98.70	0.17	0.17
#3000	13.0	11.0	4.0±0.5	2.0	99.30	0.03	0.03
#4000	11.0	8.0	3.0±0.4	1.3	99.30	0.03	0.03
#6000	8.0	5.0	2.0±0.4	0.8	99.30	0.03	0.03
#8000	6.0	3.5	1.2±0.3	0.6	99.30	0.03	0.03
#10000	4.0	1.2	0.6±0.1		99.30	0.03	0.03

Packaging & Delivery

Packaging Details: 25kg per small bag in jumbo bag or as customer's demand

Delivery Detail: Within 15 days after receipt of prepayment

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$Silicon Carbide Black and Green for Refractory$

Q: How to distinguish the construction fire-proof material rating?: Currently the national standards divide building materials as follows: A1, A2, B, C, D, E, F. External wall thermal insulation fire?rating can be basically divided into: A1, A2, B1, B2, B3 and other levels. Class A is non-combustible, class B1 flame retardant, class B2 combustible, class B3 flammable. Combustion performance grades of building materials and products are divided into class A1, A2, B, C, D, E, F. And grading of flooring materials and pipeline thermal insulation materials is also stipulated separately, whose combustion performance grade is distinguished by the subscript fl and L respectively. ie. Combustion performance grades for ordinary building materials and products are A1, A2, B, C, D, E, F; combustion performance grades for paving material are Alfl, A2fl, Bfl, Cfl, Dfl, Efl, Ffl; combustion performance grades for pipeline thermal insulation material are A1L, A2L, BL, CL, DL, EL, FL.

Q: What are the requirements of refractory temperature of refractory brick?: Refractory brick, called refractory?brick for short, is refractory material made by firing refractory clay or other refractory raw materials. Faint?yellow or brownish, it is mainly used in building smelting furnace. It can resist 1,580 ℃ -1,770 ℃ high temperature.

Q: How to hang the suspended brick in the refractory masonry?: First you can weld the metal fastener of the suspended brick and then hang up the brick.

Q: How to apply the alumina powder on refractories?: What kind of the refractories can make the aluminium oxide increase the aluminum content and specific gravity, and erosion-resistant.

Q: Who can introduce the external wall thermal insulation materials fire rating regulations?: 1. The thermal insulation material of level A combustion performance: Rock wool, glass wool, foam glass, foamed ceramics, foam cement, hole-closed perlite, etc. 2. combustion performance is level B1 insulation materials: Extruded polystyrene board (XPS) after special treatment / Special treatment of polyurethane (PU), phenolic aldehyde and gelatine powder polyphenyl granule 3 combustion performance is level B2 insulation material: Molding polystyrene board (EPS), extruded polystyrene board (XPS), polyurethane (PU), polyethylene (PE), etc. See the 2009 edition construction technical measures 4.3.6 Level A insulation material is only for fireproofing, but its thermal insulation performance is not better than organic XPS \\ EPS and other materials. I feel the best insulation materials should be modified phenolic board, which can keep insulation and fireproofing, but the unit price is very expensive. Insulation materials in the domestic market have some disadvantages, it is better to considere the materials within the acceptable range in the building needs.

Q: What is the magnesium carbon refractory?: The composition of refractory brick There are many types of raw materials of refractory brick, mainly divided into six categories: Soil, stone, sand, mineral, power and others. The first kind of raw material, soil: Aluminum soil, kaolin, clay, diatomaceous earth The second kind of raw material, Stone: Fluorite, kyanite, andalusite, forsterite, vermiculite, mullite, pyrophyllite, chlorite, dolomite, sillimanite, magnesia-alumina spinel, silica The third kind of raw material, sand: Pottery, zircon sand, quartz sand, magnesite The fourth kind of raw material, ore: Chrome ore The fifth kind of raw material, powder: Aluminum powder, silica powder, silicon powder The sixth kind of raw material of refractory brick, others: Asphalt, graphite, phenolic resins, perlite, cenosphere, sialon, corundum, silicon sulfate, silicon carbide, sodium silicate, silica solution, boron carbide, calcium aluminate cement, nitride material, shale ceramisite, alumina, alumina sol and zirconia, etc.

Q: What kind of refractory bricks material is best?: 1, high alumina brick: The content of Al2O3 is more than 75. The refractoriness is higher than the clay brick. It has good resistance to acid, alkali and erosion and is suitable for cement kiln calcining zone and other places. It has long operation life, but the price is high. 2. dolomite?brick: Formation of coating has good performance, good corrosion resistance, but f-CaO is contained in bricks. It is hydratable and difficult to transport and keep, so it is less used in the production. 3. magnesia-chrome bricks: It has good formation of coating and is used for burning zone. The disadvantage is poor thermal shock resistant performance. Besides, positive Hexavalent Cr is highly toxic. Countries that produce and use magnesia-chrome bricks gradually decrease on the international. Now production units using this brick should find alternatives as soon as possible. 4. spinel brick: It is often used in transitional zone and has good seismic performance, good reduction resistance, but refractoriness is a little bit poor. 5. anti-stripping brick: This brick contains a small amount of ZrO. Martensite phase transformation happens to form thin crack during temperature-rise period. It has strong alkali?resistance, anti-stripping performance and good slag resistance. 6. phosphate brick: It has low refractoriness, but it has strong strength and good shock resistance. It is often used in grate?cooler, hot kiln hood, etc. 7. carborundum brick: It has high temperature resistance(1800 degree, softening temperature under a fixed load is 1620-1640), small coefficient of thermal expansion, high cold-resistance heat-resistance, abrasion resistance. It is suitable for cooling zone and kilneye. 8. silmo brick: It has good thermal shock resistance, high strength, good abrasion resistance, and is suitable for transitional belt.

Q: What are the construction fire-proof materials?: 1. fire?retardant?coating 2. fireproof?panel 3. fire proof and sealing material 4. flame resisting decorative materials 5. Green fire prevention materials

Q: Is there a worker in (Jigang refractory plant)?: Units in this way, it is necessary to slowly boil it, wages will come up. You are a labor worker, and can not share with the stock system staff. There's a difference between salary and vacation.

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