• High Temperature Refractory Raw Materials Castable System 1
High Temperature Refractory Raw Materials Castable

High Temperature Refractory Raw Materials Castable

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Specifications

1. Good construction performance
2. High strength stability
3. High temperature resistance
4. Good resistance to abrasion

Refractory Castable Features:

1.Good construction performance.

2.High strength, good bulk stability.

3.Good insulation, high temperature resistance, good thermal shock resistance.

4.Good slag resistance, good resistance to abrasion.

5.Good corrosion resistance.Scouring resistance

Refractory Castable Application:

1.Used as lining turning kiln, hot converter lining heat treatment furnace.

2.Furnaces of metallurgy industry, chemical industry and construction industry.

3.Circulation part of furnaces.

Physical and chemical index:

Item

Properties

DLG-80

DLG-70

DLG-60

DLG-50

    Al2O3%

≥80

≥70

≥60

≥50

 CaO%

≥2.5

≥2.5

≥2.5

≥2.5

Bulk density,g/cm3

110°C×24h Drying after

≥2.75

≥2.60

≥2.50

≥2.40

1500°C×3h After burn with fire

≥2.70

≥2.60

≥2.40

≥2.40

Compression strength

110°C×24h Drying after

≥45

≥45

≥40

≥40

MPa

1500°C×3h After burn with fire

≥75

≥70

≥60

≥60

The flexural strength

110°C×24h Drying after

≥7

≥6

≥6

≥6

MPa

1500°C×3h After burn with fire

≥10

≥10

≥8

≥8

Line rate %

110°C×24h Drying after

≤-0.1

≤-0.1

≤-0.1

≤-0.1

1500°C×3h After burn with fire

≤-0.5

≤-0.5

≤-0.5

≤-0.5

  Highest using temperature

1600

1500

1450

1400


FACTORY:


Q: which kind of material is chosen for fireproofing window?
Firstly, fireproofing window glass must be tempered, ordinary glass won't play a role of fireproofing, and fireproofing window fan is fixed, can't be open, if you can open it, it won't play a role of fireproofing. And you can ask the property to provide texture report of fireproofing windows, fireproof material stipulated by our national fire protection laws and regulations must have fireproofing inspection reports, there must be. and fire window glass should have a fireproofing sign. The main role of fireproofing window is to isolate the fire, and play a role of fireproofing and escaping, avoid the fire quickly spread in.
Q: What are the fire endurance requirements of class A fire resistant door ?
The fire endurance of class A fire resistance door is 1.5H, but also depends on the product quality. The filling material of class A, B, C fire doors is the same, new fireproofing material-- perlite. The difference is their thickness. The general structure is: surface panel, fireproof?board framework (filled with perlite) fireproof?board panel. !
Q: Refractory material, refractory brick
High alumina brick is commonly used in high aluminum, LZ-75, LZ-65 and LZ-55, as well as high alumina brick for blast furnace, high alumina brick for hot blast furnace, and low creep high alumina brick
Q: Is fireclay corrosive?
No. All of the refractory materials have stable chemical properties and their usability can be guaranteed under high temperatures.
Q: what's the varieties of fire-proof?sealing?material?
Fire blocking material currently on the market include: fire stopping board, foam blocking material, flame resisting module, fire-resisting sealant, flexible organic caulking, WXY-II and fire retardant bag, etc. fire-proof?sealing?material is widely used in building construction and can ensure high-temperature flame and smoke from fires not spread to another fire?compartment, different buildings generally use different sealing methods. Pipeline is generaly sealed by pouring concrete board or mortar.
Q: The effect of a high content of water in liquid resin exerted on refractory material?
For one thing, Substandard whiteness, transportation, low quality and the storage of refractory material may account for this. For another, a high content of moisture reduced the performance of refractory material. A high content of moisture is equal to buy water with same money in terms of trade settlement. Based on this, we can’t consider the super-standard water content from a single aspect, because the water content in refractory material is definitely super-standard, and another problem is particle size. Many people hold the idea that excessive amount of water content may revive its original performance, but it tends to have influenced the quality of refractory material.
Q: I want to know what is the slim in the refractory bricks
lining brick and refractory clay in the teeming ladle; high alumina brick, high alumina lining brick and high alumina refractory mortar can make cement kiln and glass melting furnace in the building materials industry for anti-slide. Taiyuan in Shanxi province is the famous place of origin; hard paste in the refractory clay is used as blast furnace refractory: // b, in agriculture as a fertilizer high alumina clay is also used in oil wells, which generally do not dip in water; accounting for 2/3 of abrasive products in the metallurgy, hard and semi-hard clay can be manufactured as ceramics for daily use. what you said should be slime. High-alumina clay can be resistant to high temperature after calcination! Refractoriness refractory clay refers that the refractoriness is more than 1580 ℃ with greater hardness and specific gravity and high refractoriness. except higher refractoriness, such as aluminum sulfate, the dosage accounts for about 70% of refractories; refractory clay and high alumina fused cast brick are widely distributed in China.
Q: On the problem of making refractory materials
Refractories mainly depend on their high melting point characteristics. The refractory market is mainly Magnesium Oxide material.
Q: Could you tell me the fire-resisting time of class B fire proof door?
Could you tell me the fire-resisting time of class B fire proof door?
Q: How to divide fire resistant level of fire door?
Fire resistant level of fire door【Class A fire door】. Class A fire door is also called complete fire door. It can meet the requirement of fireproof thermal insulation and refractory integrity at the same time in specified time. Fire resistant levels are 0.5h(Grade C), 1.0h(Grade B), 1.5h(Grade A) and 2.0h, 3.0h. 【Class B fire door】Class B fire door is also called part heat insulation fireproof door. Its requirement of fireproof and thermal insulation performance is 0.5h. Refractory integrity levels are 1.0h, 1.5h, 2.0h and 3.0h respectively. 【Class C fire door】Class C fire door is also called not thermal insulation fireproof door. Ther is no requirement of its fire resistance and thermal insulation. It only meets the requirement of refractory integrity in specified refractory time. The grading of refractory integrity is 1.0h, 1.5h, 2.0h and 3.0h respectively. There is the content of not thermal insulation fire door in British BS standard.

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