Raw Materials for Refractory Castable for Industry Furnace

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Specifications

a.high performance,good corrosion resistance
b.high refractoriness,good wear resistance
c.good heat shock
d.ISO9001-2000

high quality refractory castable for industry furnace

Refractory castable description

We are specialized in refractory castables,Our company produce all kinds of castables.

such as unshaped refractory materials,self-flow castable,low-cement castable,ultra-low cement,cement-free castable,quick drying castable,plastic castable and dense castable and so on.

Refractory castable annual supply

Our company has a dozen cooperative production factories which are better in productive technology and quality management. All the factories has passed ISO9001 quality management system certification. And the annual supply of refractory castable is 100,00-200,00 tons.

Refractory castable features

1. High refractoriness, High refractoriness under load.
2. High density, low porosity.
3. Good slag resistance and corrosion resistance.
4. High strength and wear resistance.

5. Good resistance to flake performance.

6. Good thermal shock stability.

7. Scouring resistance

Refractory castable technology parameters

Item		SLB-1	SLB-2	SLB-3	SLB-4
Chemical composition	AL2O3 ≥	45	65	72	80
BD	110°C×24h	2.3	2.65	2.65	2.75
	1500°C×3h	2.25(1250°C)	2.65(1400°C)	2.65(1400°C)	2.7(1450°C)
Linear change rate(%)	110°C×24h	-1~0	-1~0	-1~0	-1~0
	1500°C×3h	-0.4~0(1250°C)	-0.4~0(1400°C)	-0.4~0(1400°C)	±0.5~0(1450°C)
Flexural strength	110°C×24h	40(1250°C)	5	5	6
	1500°C×3h	4	8(1400°C)	8(1400°C)	10(1450°C)
Compressive strength	110°C×24h	6(1250°C)	40	40	45
	1500°C×3h	30	55(1400°C)	55(1400°C)	55(1450°C)
Add water(%)		6~7	5~6	5~6	6~7
Self-flow volume(mm)		170-210	170-210	170-210	170-210
Service temperature(°C)		1300	1450	1450	1500

FACTORY:

$Refractory Castable For Industry Furnace$

Q:What the fireproofing materialare of the refractory kettle and where they can be sold?: Many places sell these. Nearly 10 years, can't brun when it is dry, adsorption. You can also baidu these materials. Heat transfer evenly, feldspar, clay and other raw materials with a ceramic products. Traditional casserole can not resist heat difference and also can withstand for 100 high temperature without crack. Aiming at the problem of traditional casserole, easy to crack and air permeability, people joined the spodumene on raw material, produce a high-temperature resistance casserole. It is produced after the high temperature burning makes an earthenware pot to keep the original advantages. Hebei has many places to sell these materials and is also relatively cheaper. The traditional casserole has features of not easy to transfer heat's quartz and slow cooling. Due to production technology and raw materials, it greatly improves the casserole' practicability after research and improvement.

Q:How to divide the fire resistant level of EVB?: Inorganic materials: Level A incombustible material is mainly divided into three levels, which attributed to two types of materials! Inorganic materials: Rock wool, foam cement, vitrified micro bead, foam glass organic: Eps xps polyurethane phenolic aldehyde, polystyrene particles are divided into two manufacturing techniques including field fabrication and pre-production polyurethane - now sprayed, precast slab eps, xps, phenol - now posted, precast slab (composite board)

Q:Which one is the best refractory material?: 1, Acid refractory usually refers to the refractory material whose content of SiO2 is more than 93% , and is characterized by erosion resistance to acid slag under high temperature , but it is easy to react with alkaline slag. Commonly used acid refractory materials include silica bricks and clay bricks. 2, Alkaline refractory material is a kind of refractory material whose components are magnesium Oxide or the mixture of magnesium oxide and calcium oxide. 3, Aluminosilicate refractory refractory material refers to refractory material which makes SiO2-Al2O3 as the main component. According to the content of Al2O3, it can be divided into semi silica (Al2O3 15~30%), clay (Al2O3 30~48%), high alumina (Al2O3 > 48%). 4, Fusion-cast refractory material refers to a kind of refractory product that melt the batch through some certain methods refractory products, and then pouring into a certain shape. 5, Neutral refractory materials mean that under high temperature, don’t react with acidic or alkaline slag. 6, Special refractory material is a new type of inorganic nonmetal material, which is developed on the basis of traditional ceramic and refractory materials. 7, The amorphous refractory material is a mixture of refractory aggregate and powder, binder or admixture, which can be used directly or after adding the appropriate liquid mixing.

Q:How many kinds of fireproof materials are there in the market?: Inorganic insulation materials basically can achieve the goal, such as glass wool, rock wool, and foam glass. The phenolic foam in the organic foam material is special. Phenolic foam is not only good at insulation, but also good at compounding with steel and other materials to achieve A-level performance, and the A-level insulation materials are: rock(ore) wool, foam glass and inorganic thermal insulation mortar. Insulation materials with B1 combustibility mainly are: Phenolics, polystyrene granules, etc. The insulation materials of fire barrier zone can use such A-level materials as rock (ore) wool, foam glass, and inorganic thermal insulation mortar, etc.

Q:How long is the fire-resistant time of fireproof wooden door?: The fire-resistant time of fireproof wooden door is about 1 hour. Fireproof wooden door refers to the door whose door frames, skeleton of the door leaf, door panels are made of timber or timber work and fire endurance reaches the provisions of "GB50045-95 design of tall buildings for fire protection". Fireproof door is one of devices for fire?prevention and separation of the building, generally used on the firewall, entrance and exit between stairs pipe shaft opening, which plays an important role in the reduction of fire losses.

Q:What brands are the best in the A-level refractory materials?: 1 International (It is a well-known brand in the field of global boats and protective coatings, the products are famous for its safety, strength and smoothness, Akzo Nobel (China) Investment Co., Ltd.) 2 LANLING (It is a high-tech enterprise, and a large provider of industrial coatings, started in 1980, as well as a famous brand of Jiangsu Province, Jiangsu Lanling Chemical Group Co., Ltd.) 3 Champion (It is a high-tech enterprise who is involved in developing a number of industry standards, it is a industry-leading brand brand of Jiangsu Province Jiangsu champion coating Technology Group Limited) 4 BBMG Coating (It is a large coating enterprise and a leading brand of fire-resistant coating who draft up the fireproof coating industry standards, Beijing BBMG Coating limited liability company) I hope my answer can help you .

Q:What kind of material is refractory fiber?: Refractory fiber, also known as ceramic fiber, is fibrous thermal insulation refractory. It has the characteristics of ordinary fibers, such as softness, flexibility, having a certain tensile strength. And it can be further processed into a variety of products such as paper, wire, rope, tape, blankets and felts.

Q:what kind of fireproof materials is used for high rise buildings?: Recommended thickness of 1mm or more # 304 stainless steel, refractory, corrosion-resistant, easy to clean. closed balcony of high rise buildings use thickened manganese, aluminum profiles. You can also use plastic steel window, solid wooden windows. Mg-Mn alloys have excellent weldability and corrosion resistance, unstressed corrosion tendency. Mechanical properties are not good enough, the ultimate strength of 210 ~ 280MPa.

Q:Refractories for iron-making blast furnace?: Cement kilns?

Q:Which industry does refractory belong to? Does it belong to construction industry?: It belongs to material, and after all, more than 60% refractories are used in metallurgical industry. If you insist on classifying it, it belongs to supporting industry of metallurgical industry. Refractory industry itself is independent.

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