$Raw Materials for Refractory:1700csilicon Carbide SiC Bond Si3N4 Tube by CNBM System 1$
$Raw Materials for Refractory:1700csilicon Carbide SiC Bond Si3N4 Tube by CNBM System 2$

$Raw Materials for Refractory:1700csilicon Carbide SiC Bond Si3N4 Tube by CNBM$

$Raw Materials for Refractory:1700csilicon Carbide SiC Bond Si3N4 Tube by CNBM System 1$

$Raw Materials for Refractory:1700csilicon Carbide SiC Bond Si3N4 Tube by CNBM System 2$

Raw Materials for Refractory:1700csilicon Carbide SiC Bond Si3N4 Tube by CNBM

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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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Packaging & Delivery

Packaging Details:	1.The finished silicon refractory product are packed in wooden cases 2.According to your requirements
Delivery Detail:	About 7-20days after receiving the deposit

1700C silicon carbide SiC bond Si3N4 tube

Silicon Nitride (Si3N4) bonded silicon carbide (SiC) material is a new type of advanced refractory materials. Compared with silicon carbide product, the product has characteristics of small thermal expansion, high thermal conductivity, not easy to have thermal stress, good thermal shock resistance, corrosion resistance, extreme cold or heat, oxidation, high temperature creep resistant ability and easily made into products with high dimensional accuracy requirements in line. Silicon nitride combined silicon carbide products have very high strength for normal atmospheric temperature, and it remains almost the same time with the strength and hardness at high temperature 1200-1400C. with the difference of using atmosphere, the maximum safe operating temperature could reach 1650-1750C.

Project		Index
Apparent porosity		≤16%
Bulk density		≥2.65g/cm3
Cold compression strength		≥160Mpa
Modulus rapture at room temperature 1400C		≥45Mpa
Modulus rapture at elevated temperature 1400C		≥50Mpa
Coefficient of thermal liner expansion 1100Cx10‾6/C		4.18
Thermal conductvity 1100C w·m‾1·k‾1		≥17
Refractoriness		1800C
0.2Mpa loading softening point		1600C
Max working temperature		1550C
Composition %	SiC	≥71
	Si3N4	≥23
	Fe2O3	≤1.0
	Si	≤0.4

1700CSilicon Carbide SiC Bond Si3N4 Tube Supplied by CNBM

Q:Which are fire proofing thermal insulation materials?: aluminum silicate fiber, ceramic fiber, etc,

Q:Fefractory of aluminium oxide.: It can be refined into castable refractory and refractory bricks, according to temperature rating. There are shaped refractory material and shapeless refractory material, and ceramic fiber. So it must be specific. There is a large range of refractory, which basically contains the aluminium oxide.

Q:What kinds of fireproof and fire retardant materials are there?: general classification of fire retardant materials will use A, B in the home improvement supplies. A has the best flame resistance, followed by B.

Q:How long is the duration of fire resistance that fireproof door of level B can endure?: Level B refers to the fire resistance rating and different hours in fireproofing of the fireproof door. Fireproof door of level A can endure fire for 1.5 hours while level B 1.2 hours

Q:Which one is better, fire-resistant wood or steel?: According to my understanding. This fire-resisting wood is better. Iron birch. The iron birch is three times harder than the oak, twice as hard than ordinary steel. It is the world's hardest wood which is used as a substitute for metal. The Soviet Union have used iron birch for the manufacturing of roller ball, bearings and it is applied in yachts. Iron birch has some wonderful characteristics. Since it has very dense texture, once put in the water it will sink; even if it is soaked in the water for a long time, the inside still remains dry. The iron birch is twice harder than the steel, it doesn't mean that its hrc value is twice of that of the steel. HRC means test load 1471.1N (150KG-F) using a diamond cone head with the point angle of 120 degrees to press. The calculation formula HR= (K-H) /C,K=0.2MM,H is the depth of indentation after releasing the major load. C= 0.002MM, so HRC100 is a limit value, then H is 0, which means that even the diamond will not drill into it. Generally the hardness of bearing steel is about HRC60. Iron birch is the championship among trees in terms of hardness. The bullet hit the wood is like hitting on a thick steel plate and the wood will be motionless. So, it is known as a tree harder than steel. I hope my answer will be helpful to you.

Q:Is fireclay corrosive?: No. All of the refractory materials have stable chemical properties and their usability can be guaranteed under high temperatures.

Q:Which schools are the best schools in the world for learning knowledge about refractories?: Wish it helps you out.

Q:Who knows how many fire heat preservation material are there?: They can be divided into wood fire, steel fire and stainless steel fire. Wooden fireproofing material is light weight, easy for installation and second decoration, as well as all types of civil construction and some industrial buildings. It can be realized through inorganic insulation materials, such as glass wool, rock wool, foam glass etc.. The phenolic foam materials inside organic foam material is more special. Phenolic foam does not only have a good thermal insulation performance, but also can be combined with steel and other materials, to achieve a class A fire retardant level. Class A thermal insulation include: 1 thermal insulation materials with class A combustion performance Fire insulation materials of fire barrier zone can use class A material with class A combustion performance in rock (ore) cotton, foam glass, inorganic thermal insulation mortar.

Q:What are the features of construction class A fire resistant door ?: 1, fireproof and thermal insulation Foam cement board is a Class A non-combustible inorganic heat preservation material which has good fireproof?performance can remain integrity after 3 hours baking at 1200℃. It can be used in buildings to improve fireproof?performance.

Q:I wanna ask about the thermal insulation material fire resistant level?: 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. Thanks

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