High Alumina Bricks High Quality

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
100 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

 

Quick Details

Place of Origin:

Shandong, China (Mainland)

Shape:

Brick

Material:

calcined flint clay,mullite,bauxite

Refractoriness (Degree):

1770°< Refractoriness< 2000°

Brand Name:

ZYC



Packaging & Delivery

Packaging Details:On wooden pallets with plastic films cover
Delivery Detail:Within 20days after the order

High alumina steel ladle fire brick,Steel ladle brick,Ladle brick

Features:

1) High-temperature endurable .

2) Good thermal shock resistance .

3) Good resistance to abrasion and corrosion.

4) Good thermal shock and thermal spalling resistance.

5) High mechanical strength.

6) Good volume stability at high temperature.

Physical and chemical index:

ITEM

INDEX

CL-80

CL-75

CL-65

CL-55

AL2O3 (%) (≥)

80

75

65

55

Refractoriness °C(≥)

1790

1790

1790

1770

Apparent porosity % (≤)

24

28

28

22

Cold crushing strength MPa (≥)

50

40

35

35

Refractoriness Under Load 0.2 MPa °C (≥)

1530

1510

1490

1470

Linear change after reheating (%)

1530C×2h

+0 ~ -0.4

1500C×2h

+0.1~ -0.5

1500C×2h

+0.1~ -0.5

1450C×2h

+0.1~ -0.4

 

High Alumina Bricks High Quality

High Alumina Bricks High Quality

High Alumina Bricks High Quality

High Alumina Bricks High Quality

High Alumina Bricks High Quality

High Alumina Bricks High Quality

High Alumina Bricks High Quality

High Alumina Bricks High Quality

 

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Q:Ul94v-0 refers to the fire level or a material
【UL94V-0】 refers to the plastic material of the fire rating (flame retardant grade). Plastic flame retardant grade from HB, V-2, V-1 to V-0 step by step increase: HB: UL94 standard in the bottom of the flame retardant grade. It is required that for samples of 3 to 13 mm thick, the burning rate is less than 40 mm per minute; samples less than 3 mm thick, the burning rate is less than 70 mm per minute; or extinguished before the 100 mm mark. V-2: After two 10-second burn tests on the sample, the flame is extinguished in 60 seconds. There can be a burning thing falling. V-1: After two 10-second burn tests on the sample, the flame is extinguished in 60 seconds. Can not have a burning thing falling. V-0: After two 10-second burn tests on the sample, the flame is extinguished in 30 seconds. Can not have a burning thing falling. Flammability UL94 grade Flammability UL94 grade is the most widely used combustible performance standard for plastic materials. It is used to evaluate the ability of the material to be extinguished after being ignited. According to the burning speed, burning time, anti-drop ability and whether the beads can burn a variety of judging methods. Each test material can be a lot of values ​​depending on color or thickness. When a material of a product is selected, its UL grade shall meet the thickness requirements of the wall part of the plastic part. The UL rating should be reported along with the thickness value, reporting only UL grade without thickness is not enough.
Q:B1 refractory material refractory time long?
At present, there are five main grades of fire protection: Class A: non-combustible building materials, almost no burning material. A1 level: non-combustible, can not afford to fire A2 level: non-combustible, to measure smoke, to qualified. B1 level: flame retardant building materials: flame retardant materials have a better flame retardant effect. It is in the air in case of fire or in the role of high temperature difficult to fire, it is not easy to spread, and when the fire destroyed after the fire immediately stop. B2 grade: flammable building materials: combustible materials have a certain role in flame retardant. In the air in case of fire or under high temperature will immediately fire burning, easy to lead to the spread of fire, such as wooden pillars, wooden truss, wooden beams, wooden stairs and so on. B3 level: flammable building materials, without any flame retardant effect, easy to burn, fire a great danger. In addition, according to different standards, the classification of fire materials are not the same: DIN4102: A1, A2, B1, B2, B3EN-1: A1, A2, B, C, D, E, FB1 fireproof materials, refractory time Look at the specific parts, see the following figure:
Q:Gypsum board with fire performance is it?
Gypsum board with fire, but do not use the gypsum board wall fire, gypsum board support is mainly by two layers of paper, the paper burned after the board on the scattered, if you want to fire recommended calcium silicate board or Fiber cement pressure plate
Q:Phenolic insulation board is B1 grade fireproof material
Oh, the market is a bit chaotic, phenolic itself is certainly B-class, but there is a lot of time to urge the lungs plumbing Sengdu Ji Jidao manufacturers through different ways to meet the transfiguration A level, such as smearing interface agent, composite silicon calcium board finishes And then the overall treatment to achieve A-class, the biggest drawback of phenolic powder is not suitable, in line with the pinch on the dregs, strictly speaking, how he turned face are B-class.
Q:Insulation class fire rating non - combustible A - level and A2 - level difference
A1 and A2 difference: 1. Light rock wool board is A1; 2. Rock wool composite board is A2 level; so A2 refers to the A1 level and another material of the complex, grade lower than A1.
Q:Guiqiu big god, online and other urgent! Will hydration of calcium silicate heat dehydrate to change calcium silicate?
(OH) · 4H2O can be seen from the water molecules, if the high temperature heating is likely to be decomposed into tricalcium silicate (3CaO · SiO2). ), Dibasic silicate (2CaO · SiO2), silica (SiO2) and water. The reaction equation is as follows: Ca5Si6O16 (OH) 4H2O → 3CaO SiO2 + 2CaO SiO2 + 4SiO2 + 4H2O
Q:Does the ceiling need to brush fire paint?
The use of the roof is not flammable materials, in accordance with the construction of Gong Yu Gui Yi Yi see the color of the design of fire code is not brush fire retardant paint, but the master's roof must be painted fire retardant paint, a fire 1.5h, two fire 1h. If it is needed with wooden keel
Q:CCTV reported from the fire self-extinguishing polyurethane insulation board is A pole fire insulation material?
China's national standard GB8624-97 will burn the performance of building materials are divided into the following grades A: non-flammable Building materials: almost no combustion of the material. B1 level: flame retardant building materials: flame retardant materials have a better flame retardant effect. In the air, there is no fire in the case of high temperature, it is not easy to spread quickly, and when the fire is removed, the burning stops immediately. B2 grade: flammable building materials: combustible materials have a certain role in flame retardant. In the air in case of fire or under high temperature will immediately fire burning, easy to lead to the spread of fire, such as wooden pillars, wooden truss, wooden beams, wooden stairs and so on. B3 level: flammable Building materials: no any flame retardant effect, easy to burn, fire risk is great. Polyurethane insulation board after flame retardant treatment up to B1 level.
Q:What is Class A Fire What is Class B Fireproof?
Now the state must use A-class fire B-class can not be used
Q:Glass curtain wall and floor between the gap how to deal with, seeking expert solution?
General floor and glass curtain wall cracks are required to build layers of fire, up and down for the 1.5 galvanized steel plate, the middle folder 100 thick rock wool. The lower part of the floor can do fire, the upper 1mm galvanized sheet with a block.

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