$Raw Materials for Refractory Insulating Castables for Industry System 1$

$Raw Materials for Refractory Insulating Castables for Industry$

$Raw Materials for Refractory Insulating Castables for Industry System 1$

Raw Materials for Refractory Insulating Castables for Industry

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Specifications

Insulating castables 7 can be used in furnace temperatures upto 1100C

INSUL-7 is insulating castable refractory and can be used as back up lining in vessels and furnaces up to 1100C.

These are made from very Light weight aggregates and high alumina cement . These are used as Pourable refractory since it contains requires high quantity of water for casting.

Advantage of this product includes the following:

1) Light weight construction.

2) Very good insulation.

3) Low thermal conductivity.

4) High heat resistance upto 1100

5) Good thermal shock resistance.

6) Easy installation techniques.

Application Areas:

1) Oil & refineries

2) Aluminium

3) Copper

4) Iron & Steel

5) Cement

6) Ceramics

TECHNICAL DATA SHEET

RADHASWAMI INSUL-7

SERVICE TEMPERATURE: 1100C

DRY DENSITY;GM/CC 0.75-0.85

COMPRESSIVE STRENGTH: 110C 12-14

KG/CM2

1100C 6-8

LINEAR CHANGE@1100C +/- 1.6

CHEMICAL ANALYSIS; FE2O3 8.5 max

GRADING: 0 - 5 MM

THERMAL CONDUCTIVITY: 0.14

KCAL/M/HR/C

FACTORY:

INSULATING CASTABLES FOR INDUSTRY

Q:Is there a worker in (Jigang refractory plant)?: Exactly, you are not in the strict sense of the refractory plant contract worker, your contract is not signed and refractory plant, your wage system, and the worker in the factory is not the same, you can not follow the normal off-duty execution system

Q:Manganese steel belongs to refractories: Material wear and other harsh working conditions, extrusion, there will be work-hardening phenomenon rapidly on the surface. The most important feature of manganese steel is that it is not refractory under a strong impact, and under extrusion conditions, part of it will be fractured. The main form of damage is wear and consumption: It is a kind of inorganic non-metallic material whose refractoriness is not lower than 1580 ℃, mainly used to endure impact. Manganese steel is a kind of high strength steel, which is free of deformation, so that it can remain austenite good toughness and ductility at heart while keeping good wear resistance at the same time on hardened layer. Refractories are

Q:What kind of refractory materials are used in metallurgy industry?: Argon-blowing rod, siliceous dry vibrating materials, desulfurizer, slag-stopping ball, stainless steel thermal insulating agent with high efficiency, dry vibration material, sizing nozzle heat-insulating panel, chrome refractory , refractory carstables for ladles, magnesia carbon refractory, package castable, siliceous drainage agent, tundish block, iron trough, deoxidizer, compound deoxidizer,silicon manganese alloy , stemming, floating plug,slagging agent. The main materials are as follows: recarburizer, covering agent, intermediate frequency furnace burden, mould fluxes, insulation thin slag agent, skimmer repair material, joint sealant.

Q:What's the feature of construction external wall fireproof and thermal inuslation matertial?: It has properties of low heat conductivity coefficient, low density, high flexibility, fireproof and waterproof. Its heat conductivity coefficient at normal temperature is 0.018W / (K · m) . The thermal insulation property is three to eight times that of the traditional materials. And it is completely waterproof. [2] Thermal insulation lining has properties of low heat conductivity coefficient, low density, high flexibility, fireproof and waterproof. Light, generally about10-96kg / m3, 20kg / m3 or less is felt, 24-48kg / m3 is middle-hard plate, 48-96kg / m3 is hard plate, wherein 48kg / m? can be used as ceiling, with softening point being 500 ° C , thermal insulation 300 ° C. It is widely used in the United States, k =0.9. Calcium silicate thermal insulation product is developed in 1970s in China. With high compressive?strength, low heat conductivity coefficient, recycle and easily construction, it is widely used in the power system. In China, small workshop?production were the most common, then four production lines were gradually introduced from America, including instant fiber forming, dry method punched felt, which are advanced and quality, temperature endurance up to 800-1250 ° C.

Q:What are the differences and connections between softening temperature of the refractory under a fixed load and thermal resistant creep property of the refractory?: The result of refractoriness under load is temperature while the result of creep is percentage of deformation. Refractoriness under load and creep can be tested by an instrument. Refractoriness under load reflects the temperature in which the deformation reaches a certain degree under the condition of load. Creep reflects the deformation refractory has under the condition of constant temperature and load. Both refractoriness under load and creep are important criterion for the operating temperature of refractory.

Q:Does the production of refractory belong to advanced technology？: It certainly is advanced technology as it is the new material.

Q:What's the function of aluminium dihydrogen phosphate on the refractories?: Mainly used for binder of high-temperature furnace refractory. Characteristics of liquid aluminum dihydrogen phosphate, castable. solid used for refractory spraying coating, chamotte, ceramic construction, which has high break resistance after being dried in 350-500 ° C, phosphate bricks. Characteristics of the solid aluminum dihydrogen phosphate, binding agent used for castable and casting industry: together with the refractory aggregate, ramming mixes at room temperature: Easy to mix, crush resistance, hydration resistance, chamotte, will not become soft even if soaked or boiling in water, molding. Liquid use refractory spraying coating, mainly used for corundum, chrome corundum water gap in refractory industry. The production of chrome aluminum zirconium corundum brick for water-coal-slurry gasifier is especially suitable for site construction applications mainly used for the electrical industry, high-temperature kiln and furnace, hardener, after mixing between 90-110 ° C for 4-24 hours at a constant temperature, forming strong bonding strength, electrical insulation, heat treatment resistance furnace

Q:What problems should be paid attention to while using refractory materials under a controlled atmosphere?: Pay attention to the performance of the materials, and the use of non oxide materials!

Q:How many types do refractory bricks have? Where the quality of refractory material is best? What is the model?: Sinosteel Luoyang (Luoyang Refractory Material Plant in the past): High alumina(mainly blast furnace), Gongyi. There are also a series of high-tech materials (silicon carbide, carborundum, etc.) a major producer of high alumina; silicious: Resistant material for steel, glass furnace, cement kiln); magnesia. Divide from uses and divide from chemical texture; silicious(glass furnace): Xinmi, Hennan Province, Lengshui River, coke oven, etc.). As for the models, Yixing and Changxing in Jiangsu Province: Haicheng, Liaoning Province; silicious, I do not understand your intentions; magnesia (nonferrous, steel refining; magnesia: High alumina brick; Dashiqiao area! Please put it in detail.

Q:Does refractory belong to stone, building materials or other?: It belongs to building materials.

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