$Raw Materials for Refractory:Silicon Nitride Si3N4 Bonded Silicon Carbide SiC Protection Tube System 1$
$Raw Materials for Refractory:Silicon Nitride Si3N4 Bonded Silicon Carbide SiC Protection Tube System 2$

$Raw Materials for Refractory:Silicon Nitride Si3N4 Bonded Silicon Carbide SiC Protection Tube$

$Raw Materials for Refractory:Silicon Nitride Si3N4 Bonded Silicon Carbide SiC Protection Tube System 1$

$Raw Materials for Refractory:Silicon Nitride Si3N4 Bonded Silicon Carbide SiC Protection Tube System 2$

Raw Materials for Refractory:Silicon Nitride Si3N4 Bonded Silicon Carbide SiC Protection Tube

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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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6. Various refractory piece:with impact resistance,high temperature resistance,wear-resistance, good thermal shock resistance ect.Suitable for heat exchanger, cold air pipe, burner nozzle,crucible.

It can not only gain energy-saving effect,but also can keep product from pollution, and long life and convenient operation if you choose Si3N4 bonded SiC.

Silicon Nitride Si3N4 bonded Silicon Carbide SiC protection tube See larger image Silicon

The physical and chemical performance of Si3N4 bonded SiC :

Item	Index
Compressive strength Mpa	> 120
Bending strength Mpa	> 40
Vol. density g/cm³	2.4
Porosity %	20
Thermal conductivity (1200 °C) W/M °C	15
Thermal shock 1000°C-20°C	> 20 times
Resistivity	104
Moh's hardness	> 9

Q:Preparation of refractory clay: Is it to make refractories? Add some andalusite to the refractory mortar will improve the effect.

Q:How to divide fire resistant level of fire door?: The classification of fire resistant level of fire door: Grade A is not less than 1.2h. Grade B is not less than 0.9h. Grade C is not less than 0.6h. It is suitable for fire door with different levels: Grade A: Equipment room (such as fire-pump room,power distribution room, generator room, smoke control fan room, etc) door, fire?compartment, door on firewall; Grade B: Eclosed staircase, front door of stair room, smoke-proof?staircase and fire elevator share lobby door, front door of fire elevator, household door which directly opens to front room or shares room; Grade C: The vertical shaft door, such as strong electric wells, weak electric wells, pipe shaft door and air conditioning facilities. I hope this information can help you.

Q:Where is the distributing center of refractory materials in China?: The construction of Gongyi Chinese refractory chemical industry professional market is a street in Yongan to implement the spirit of the six plenary session of the four session of the Gongyi municipal Party committee, the adjustment of economic structure, an important step in developing the service industry out of the. First, to promote the rapid development of the third industry. Through the improvement of refractory trade logistics system, make Yongan do truly become the first-class refractories trade and logistics center, driven by the refractory industry from the production area to the exhibition, logistics field extension and transformation, become refractory chemical industry center, Yongan office to promote the optimizing and upgrading of economy. Two is to promote intensive land development. Through the integration of resources, the unified planning of the reserved land, intensive development according to the standard of the city, the introduction of powerful investors, construction of large-scale projects. Three is to further create a business atmosphere in Yongan. Refractory chemical professional market operation, will promote the overall development of Yongan to do business, increase the flow of people, logistics, information flow, capital flow, more to promote the rapid development of the third industry in Yongan office.Gongyi Chinese refractory chemical industry professional market completion, will further promote the development of Yongan street service industry, accelerate the pace of economic restructuring, will run the streets of industrial upgrading has played a great role in promoting. Yongan road street is unprecedented high spirited gesture, innovation and development opportunities, so that industrial upgrading and optimization of the pattern to accelerate the realization of, we are convinced that Yongan's tomorrow will be better!

Q:How long usually will the A-level fireproof materials prevent the flame?: A-level fireproof materials refer to the materials which are made of non-combustible materials, it is a different concept from fire resistance. non-combustible elements: Components are made of non-combustible materials. Non-combustible materials refer to materials that will not burst into flame, and burn as well as be carbonized when affected by fire and high temperature in the air. Fire resistance: Having a fire resistance test on any building components -----according to the standard time-temperature curve. This period starts from the time when affected by fire and ends up with losing the ability to support or to insulate fire or the integrity of the components. It can be expressed in hours.

Q:what's the requirements of refractory for forge furnace?: High temperature resistance, good slag resistance.

Q:Can anyone tell me what is A-leve fireproof material?: Combustion performance of materials can be divided into: A-level, B1-level, B2-level and B3-level, which respectively refer to noncombustible, difficult-flammble, flammable and inflammable materials. Building materials can be divided into four grades based on combustion performance (noninflammability, flame retardancy, flammability and inflammability). According to the stipulation of "Specification of Fireproof Design for Buildings" (GBJ16-1987) (2001 revised edition), fire hazard of production or storage should be divided into A-level, B-level, C-level, D-level and E-level. In "Specifications on Fireproof Design for Petrochemical Enterprises" (GB50160--1992) (1999 Revision), it also stipulates that fire hazard should be classified on the same basis of subtsance danger in usage, production or storage. According to different fire hazard, requirements and measures of oreventing and restricting fire explosion can be put forward from the aspects of fire?separation distance, fire resistant rating of buildings, allowed floors, safe evacuation, fire fighting facilities and other aspects.

Q:What is the common inorganic fireproof and thermal inuslation matertial?: Ceramic foam insulation board is made from clay tailings, ceramic broken flake and river silt, which is the closed ceramics material with high porosity roasted in high temperature by advanced production technology and foam technology. Products have fire retardant, small deformation coefficient, aging resistance, stable performance, good environmental protection, good compatibility between wall base and plastering layer, good safety and soundness and a lifetime as long as the building itself.

Q:what is the specs of thermal insulation refractory slab ?: thermal insulation refractory slab features wear proof, heat resistance, impact resistance, acid or alkali resistance, smoke resiatnce, fire proofing,fungi proofing, mould proof,anti-static. fireproof panel is generally used for countertops, tabletops, walls, cabinets, office furniture, wall hung cupboard. Common Specifications: 2135mm × 915mm, 2440mm × 915mm, 2440mm × 1220mm, thickness 0.6-1.2mm.

Q:What kind of material is good for cabinet fireproof board: What kind of material is good for cabinet fireproof board What are the advantages and disadvantages of using it? How much is the price? A about how much does one piece cost?

Q:What are the use of fire-resistant material and admixture?: I am engaged in admixture and thus familiar. Welcome to exchange!

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