$Raw Materials for Refractory:Ceramic Fiber Blocks for Thermal Insulation System 1$

$Raw Materials for Refractory:Ceramic Fiber Blocks for Thermal Insulation$

$Raw Materials for Refractory:Ceramic Fiber Blocks for Thermal Insulation System 1$

Raw Materials for Refractory:Ceramic Fiber Blocks for Thermal Insulation

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Specifications

Ceramic fiber blocks for thermal insulation
1.Excellent chemical stability
2.Excellent flexibility
3.Low heat capacity

Item name: Standard Ceramic Fiber Folding Block

All kinds of ceramic fiber folded block, using the corresponding materials are ceramic fiber blanket acupuncture, according to fiber components of the structure, size and mechanical processing on the dedicated form.

In the course of processed, are to maintain a certain proportion of compression to ensure the ceramic fiber lining folded block wall construction has been completed, because each piece of folded pieces of ceramic fiber in different directions on the expansion,

so that pieces of ceramic fiber folded between the extrusion into a seamless whole.

Product Characteristics

1.Excellent chemical stability;

2.Excellent thermal stability;

3.Excellent flexibility, because of fiber in a pre-compression state, and its expansion can be compensated fiber contraction, improve the insulation properties of fiber lining;

4.Low heat conductivity;

5.Low heat capacity.

Technical Specifications

Item Product	COM	ST	HP	HA	HAZ	HZ
Specification Tem(°C)	1050	1260	1260	1360	1360	1430
Working Tem(°C)	950	1050	1100	1200	1280	1350
Color	white	white	white	white	white	white
Density(kg/m3)	200/220	200/220	200/220	200/220	200/220	200/220
Rate of liner(%) (24h,Density 200kg/m3)	-3 (950°C)	-3 (1050°C)	-3 (1100°C)	-3 (1200°C)	-3 (1280°C)	-3 (1350°C)
Rate of thermal(%)conductivity (w/m.k )(Density 200kg/m3)	0.09(400) 0.176(800)	0.09(400) 0.176(800)	0.09(400) 0.22(1000)	0.132(600) 0.22(1000)	0.132(600) 0.22(1000)	0.76(600) 0.22(1000)
AL2O3(%)	42-44	45-46	47-49	52-55	45-46	39-40
AL2O3+SIO2(%)	96	97	99	99	---------	-------
AL2O3+SIO2+ZrO2 %	----------	---------	-----------	----------	99	99
ZrO2(%)	----------	---------	-----------	----------	99	99
Fe2O3(%)	<1.2	<1.0	0.2	0.2	0.2	0.2
Na2O+K2O(%)	≤0.5	≤0.5	0.2	0.2	0.2	0.2
Size (MM)	300×300×300/250

Specifications

Ceramic fiber blocks for thermal insulation
1.Excellent chemical stability
2.Excellent flexibility
3.Low heat capacity

Item name: Standard Ceramic Fiber Folding Block

so that pieces of ceramic fiber folded between the extrusion into a seamless whole.

Product Characteristics

1.Excellent chemical stability;

2.Excellent thermal stability;

3.Excellent flexibility, because of fiber in a pre-compression state, and its expansion can be compensated fiber contraction, improve the insulation properties of fiber lining;

4.Low heat conductivity;

5.Low heat capacity.

Technical Specifications

Item Product	COM	ST	HP	HA	HAZ	HZ
Specification Tem(°C)	1050	1260	1260	1360	1360	1430
Working Tem(°C)	950	1050	1100	1200	1280	1350
Color	white	white	white	white	white	white
Density(kg/m3)	200/220	200/220	200/220	200/220	200/220	200/220
Rate of liner(%) (24h,Density 200kg/m3)	-3 (950°C)	-3 (1050°C)	-3 (1100°C)	-3 (1200°C)	-3 (1280°C)	-3 (1350°C)
Rate of thermal(%)conductivity (w/m.k )(Density 200kg/m3)	0.09(400) 0.176(800)	0.09(400) 0.176(800)	0.09(400) 0.22(1000)	0.132(600) 0.22(1000)	0.132(600) 0.22(1000)	0.76(600) 0.22(1000)
AL2O3(%)	42-44	45-46	47-49	52-55	45-46	39-40
AL2O3+SIO2(%)	96	97	99	99	---------	-------
AL2O3+SIO2+ZrO2 %	----------	---------	-----------	----------	99	99
ZrO2(%)	----------	---------	-----------	----------	99	99
Fe2O3(%)	<1.2	<1.0	0.2	0.2	0.2	0.2
Na2O+K2O(%)	≤0.5	≤0.5	0.2	0.2	0.2	0.2
Size (MM)	300×300×300/250

Ceramic Fiber Blocks For Thermal Insulation

Q: What is streaming fireproof material?: Streaming fireproof material is castable refractory that can flow and degas without virbration, which is suitable for thin-wall or places that cannot be molded by vibration because of complex shapes. Well, appropriate amount of water is necessary for it. Its characteristic goes that it can be cast into various shapes of construction body without virbration and it will not reduce or not significantly reduce the performance of castable at the same time.

Q: Urgent question: could you tell me that the export of refractory materials to Vietnam is to be packed in wooden cases and smoked?: Solid wood logs are necessary. If it is the type of smoke free material, it will not be necessary. You'd better confirm it with the port of destination. Vietnam has the requirement to smoke

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: 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: What are the characteristics of thealuminium oxide refractory?: Physical properties of refractories include structural properties, thermal properties, mechanical properties, performance and job performance. The structural properties of refractories include porosity, bulk density, water absorption, air permeability and pore size distribution. The thermal properties of refractories include thermal conductivity, thermal expansion coefficient, specific heat, heat capacity, thermal diffusivity and thermal emission rate, ect. Mechanical properties of refractories include compressive strength, tensile strength, flexural strength, torsional strength, shear strength, impact strength, abrasion resistance, creep resistance, adhesive strength and modulus of elasticity, ect.

Q: who knows the requirements of refractory for forge furnace?: Requirements are as follows: 1, it should have enough refractoriness and softening point under a fixed load. Because under the effect of electric arc, inner surface temperature in different parts of furnace lining can reach 1500 ~ 1800 ℃. 2, it should have strong slag resistance. Because slag and smoke at high temperature penetrate through furnace lining to its internal lining, causing the melting of refractory, organization stratification, and even peeling?off. 3, it should have good thermal shock resistance. Because in the process of steelmaking, openning the oven door and lifting the furnace lid will make temperature of refractories in the furnace lining change rapidly, it might happen peeling?off and cracking, causing the premature failure of furnace lining. 4, it should have sufficient strength, because the furnace lining will be shocked when being loaded, vibrated when being tilted, scoured by metals,molten slag and air flow when boiling. 5, smaller thermal conductivity, lower electrical conductivity. Commonly used refractories for electric furnace include magnesia bricks, dolomite brick, high alumina refractory brick, siliceous refractory brick and magnesite ramming material,etc. owing to the different work environment of each part of the furnace,refractory used by each part is also different.

Q: What are the application of old refractory bricks?: It can be used for refractory bricks again, as long as the quality is good. It is much more cost-effective than Bayerite.

Q: can slag tailings be used to be the base materials of refractory materials ?: perhaps not, because it has many pores.

Q: How many levels are there in the classification of PP fireproof materials?: The level of fireproof materials: A-level: Non-combustible building materials have rare chance to burn. A1-level: Non-combustible materials, no open fire A2-level: Non-combustible materials, smoke should be tested and qualified. B1-level: Fire-retardant building materials: Fire-retardant materials are good at resisting flame. It is difficult for them to burst into fire when coming across open fire in the air or at high temperature. It will not quickly get wilder and when the fire source removes, it will be extinguished immediately. B2-level: Combustible building materials: Combustible building materials can play a certain role in preventing combustion. It will immediately burst into flames when coming across open fire or at high temperature, and will lead to fire spreading, such as wooden pillars, roof frames and beams as well as stairs. B3-level: Inflammable building materials are highly flammable with no flame retardant ability, fire risk is high.

Q: what is steel fire door made of ?: 1. fire resistance steel door has steel made door frames, door leaf framework and door panels. if the door leaf is filled with nontoxic fire insulation material, added with fireproof hardware accessories, which consists of a door that is fire resistance. 2. Category 1)safety facilities to prevent underground building from fire expansion and control volatilation. It is usually divided into steel and wooden fire door. 2) Class A fire doors, fire endurance of 1.5 hours; B fire doors, fire endurance of 1.0 hours; Class C fire doors, fire endurance of 0.5 hours. 3) In fact, there are many types of fire doors. For example, there are wooden made fire doors glass fire doors and steel fire doors based on different materials. access control fire doors, entrance fire resistance door, interior fire doors, explosionproof and fireproof door, quick-lock fireproof doors, quick opening door encountered with fire and multi-functional fire doors. 4) Based on the installation location: External fire doors and built-in fire doors. 5) divided by technology: Electronic fire doors.

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