Light Weight Insulation Refractory Castable

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Specifications

1. Easy construction.
2. Can according to customers' requirements.
3. Used for various high-temperature industrial kilns.

Light weight heat insulation refractory castable,Insulating castable,Insulation castable

Insulation castable is one of the unshaped refractory materials. It is made of refractory aggregate, refractory powder, binders and other additives. It is loose, No fixed shape,Has high liquidity, Casting and vibration molding,Can use directly or use after add appropriate water or other liquid. It is one of the new type refractory material of don't need calcination.

Construction way:casting+vibration moulding

Features:

1. Low bulk density.
2. Low thermal conductivity.
3. High strength.
4. Good thermal and insulation properties.

Physical and chemical index:

Item		Light-weight Hi-strength refractory castable
Item		ZYQ-0.6	ZYQ-0.8	ZYQ-1.0	ZYQ-1.1	ZYQ-1.3	ZYQ-1.5	ZYQ-1.8
Volume Density (g/cm3) ≤		0.6	0.8	1.0	1.1	1.3	1.5	1.8
Compressive Strength, (MPa)	110°C×16h ≥	1.5	2.0	4.0	5.5	7.5	15	15
Compressive Strength, (MPa)	1000°C×3h ≥	-	2.0	5.5	6.5	10	20	40
Heat Conductivity Coefficient (W/m·K)	700°C ≤	0.15	0.25	0.35	0.40	0.45	0.60	0.65
Heat Conductivity Coefficient (W/m·K)	1000°C ≤	0.20	0.25	0.40	0.45	0.50	0.70	0.75
Linear Variation (%);1000°C×3h ≤		-0.25	-1.0	-0.5	-0.5	-0.5	-0.5	-0.5
Safe Use Temperature (°C)		800	1000	1100	1200	1300	1350	1350

Application:

1. Furnaces of metallurgy industry, heat treatment furnace.

2. Furnace of incineration of garbage, recirculating fluidized bed furnace.

3. Furnaces of chemical industry and construction industry.

FACTORY:

$Light Weight Insulation Refractory Castable$

Q:What is required to do refractory material?: Can you be more specific about what aspect?

Q:What is the limit of fireproof rolling shutter?: Fireproof rolling shutter door is a kind of fire protection and heat insulation facility which is suitable for the large openings of buildings, having a certain effect on the design and installation. Fire shutter doors are widely used in fire partition of industrial and civil building. It can effectively prevent the spread of fire, to protect the safety of life and property. It is an indispensable modern building fire facilities. According to the national standard 14102-2005 GB standard, the provisions of 14102-2005 GB specify that: If fire resistance limit of fire resisting shutter is no less than 3 hours, it is AAA fireproof rolling shutter. Therefore, the fire resistance limit of AAA grade fireproof rolling shutter should be 3 hours.

Q:What does refractory mean?: Basic refractory material generally refers to Magnesium Oxide or Magnesium Oxide and calcium oxide as the main component of refractory materials. This kind of refractory material has higher refractoriness and strong resistance to alkaline slag.

Q:Physical and chemical indicators of various refractory.: it depends on what it is for. There are thousands of kinds of refracroties. You should just ask what you need.

Q:Who knows the external wall thermal insulation materials fire rating requirements?: The requirements of Department of Housing and the Ministry of Public Security No. 46: Residential buildings: the height of building is greater than 100 meters, the combustion performance of insulation materials should be level A. The other civil buildings: 24≤ height

Q:The manufacturing technique of refractory material: Melt blowing method is to melt the ingredients first, In addition, hiphotos, organic impurities, to be mixed, add sulfite pulp waste liquid into magnesia billet , ensure the accuracy of the product dimension. The products are mainly used for light refractory. then dry and fire with sintering to reduce the firing shrinkage of products, making it disperse into fiber or hollow sphere. The porpose of pre sintering raw material is to Sintering method is pre-sintering part of the raw material into clinker. such as adding binding clay into aluminum silicate blank

Q:Where is the development of refractory industry?: Continuous casting system varieties used in refractory materials include: (1) ladle refractories -- ladle lining, permanent lining, ventilation components; (2) tundish refractories -- linings and coatings, insulation board, cover; (3) functional refractories -- non oxidation casting with long nozzle, immersion nozzle, stopper, sliding gate; (4) purifying molten steel with ceramic purifier, slag dam, alkaline coating and horizontal continuous casting for separating ring gate, etc..

Q:What is refractory cement?: Refractory cement is also known as aluminate cement, whose major mineral are monocalcium aluminate (CaO · Al2O3, abbreviated CA) and other aluminate as well as a small amount of dicalcium silicate (2CaO · SiO2), etc. The advantage is that it is easy to use, able to harden if mixed with added water without other binding agent usually. Refractory aggregate and powder can be added into it. If you use refractory cement purely, it will produce a lot of cracks after high temperature.

Q:What are the fire resistances of grc partition panels?: waterproofing: It has good water resistance; 2. fireproofing: fire resistance of partition panel≥3.5h, it has an excellent fireproof performance and can be applied to fire-proof bulkhead; 3.soundproofing: According to the different thickness of walls and surface treatments, perlite light partition panels insulation can be 40-50 decibels, to ensure that products can be used for office, commercial, entertainment and residential buildings; 4, light weight:

Q:Is aluminium oxide refractory material?: Yes. It has high melting and boiling point, stable chemical?property. All refractory material almost contains aluminium oxide. Refractory materials have a large range and need specific requirements. Refractory material is divided into sizing refractory material, shapeless refractory material, ceramic fiber, refractory bricks and castable refractory. It can be subdivided according to temperature rating. Hope it is helpful to you.

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