Refractory For Furnace Silica Fire Brick

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Product Description:

Specifications

silica fire brick
1.Stable Capability,
2.High Quality,
3.Excellent Service,
4.Competitive price

Silica fire Brick

With dense and smooth appearance, uniform corner and edge, pure color and luster and accurate size

1)Silicon oxide is above 95%.

2) Good acid erosion resistance.

3) High softening point with temperature.

4) No shrink in burn repeatedly.

5) Temperature of refractoriness under load is above 1650º C

Stable Capability, High Quality, Excellent Service, Competitive price is the most important advantage of our products

Item

BG-94

BG-95

BG-96A

BG-96B

Chemical composition

SiO2

≥94

≥95

≥96

≥96

Fe2O3

≤1.5

≤1.5

≤0.8

≤0.7

Al2O3+TiO2+R2O

≤1.0

≤0.5

≤0.7

Refractoriness °C

1710

1710

1710

1710

Apparent Porosity%

≤22

≤21

≤22

≤22

Bulk Density g/cm3

≥1.8

≥1.8

≥1.8

≥1.8

True Density,g/cm3

≤2.38

≤2.38

≤2.34

≤2.34

Cold Crushing Strength Mpa

≥24.5

≥29.4

≥35

≥35

0.2Mpa Refractoriness Under Load T0.6 °C

≥1630

≥1650

≥1680

≥1680

Permanent Linear Change On Reheating

(%)1500°CX2h

0~+0.3

0~+0.3

0~+0.3

0~+0.3

20-1000°C Thermal Expansich10-6/°C

1.25

1.25

1.25

1.25

Thermal Conductivity (W/MK) 1000°C

1.74

1.74

1.44

1.44


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Q:Who know what kind of fire shutter fire rating are there?
Fire resistance rating of the building elements is different due to the different requirements of the construction . Fire proof door can be divided into Serie A, B and C in terms of fire endurance limit, fire resisting limit are not should be less than 1.20h, 0.90h and 0.60h. That is, if the fire resistance rating is two, also it is possible to use a class a fire door. Hope my answer will help you.
Q:Which kind of refractory floor is easy to use? ?
Fireproof wood floor includes three types, and according to your requirement, I think that the third type is more suitable or is easier to use. Here are the three types, and you can choose form them. A. Wear-resistant composite solid wood floor It is also known as super durable multi-layer solid wood floor. Its surface is inorganic glass fiber material and special paper impregnation thermosetting amino resin, composited with solid wood base materials like plywood or core-board. And also, its front is wear-resistant layer while the back is balance layer, then hot press it into grooved and tongued floor. This is a new impregnated paper laminate floor. It also has the same wear-resistant quality as laminate floor, comfort as solid wood floor, and stability as composite board. B. Fire-resistant wood-plastic composite decking board Wood-plastic composite decking board is not the wood floor in the traditional sense, but a composite material, also known as plastic wood. It is formed by high molecular improving and processing natural fiber, such as recycled plastic and wood fiber. It not only has the same advantages as plastic and wood, but alos has certain fire resistance, thus it is a environmentally friendly material with much development potential. C. Fireproof strengthened composite wood floor It is the so-called fireproof and fire retardant floor, fiber board, plywood and chipboard as its base materials. It is coated with fireproof coating and impregnated paper, and after fireproof and fire retardant technical process, it becomes a composite wood floor with some fire retardant level. Its features are more partial to that of laminate floor with stable performance, steady structure and good durability.
Q:Who knows the fire rating of fire partition with steel stud?
Partition system made by fire partition with steel stud and high-quality keel has good fireproofing performance and is non-combustible sheet. Flame burn duration is zero. It does not burn at 800℃, and it is without flame at 1200℃. Its fire resistance rating reaches GB8624-A standard through test, which reaches the highest fireproofing and non-combustible level grade A1. 10MM fire endurance can reach up to 4 hours fire resistance maximum limit. It can absorb a lot of heat during the process of burning and delay the rise of temperature in surrounding environment.
Q:what is the Specifications Grading for Fireproof rubber insulation materials ?
External insulation materials, welded wire mesh matt external wall insulation, external wall thermal insulation mesh matt. 1,inorganic activel thermal insulation materials 2,silicate thermal insulation material 3,ceramic thermal insulation 4, gelatine powder polyphenyl granule, 5,teel wire gauze picking cement cystosepiment(Estazolam platepowder particles)6 extruded sheetXPX. 7,Rigid polyurethane coating at the scene, Polyurethane insulation board8,rigid polyurethane foam,9EPS foam board roofing materials. 1, a ceramic insulation board 2, xps extrusion board 3, perlite and perlite brick 4, vermiculite and vermiculite brick heating, air conditioning Material: Phenolic resins, polyurethane waterproof thermal insulation integration, sponge rubber, polyethylene, polystyrene foam, glass wool, rock wool Steel material: Polystyrene, extruded sheet, polyurethane panels, glass wool carpets and the like. Five inorganic thermal insulation materials: Foam cement, DY inorganic active insulation system super thin vacuum insulated panel for building external walls .
Q:How to choose thermal insulation materials for flood heating?
How to choose the appropriate thermal insulation materials: 1, Thermal insulation material shall have a small thermal conductivity, good thermal insulation properties. Besides, that also depends on whether the specific temperature changes of in the insulation materials' working environment can ensure the material has good thermal insulation. 2, when purchasing, we must be make sure it is light, and loose enough. These heat insulating material can not only afford bracket, and can also increase the heat transfer performance of the heat insulation material. prevet water penetration. Waterproof function should be soild, even if it accidentally absorbs water, its thermal insulation function must be guaranteed. 3, None of the organic material should applied to production of insulation materials, Thermal insulation material containing organic matter may get rotten, mildewed, and cause other destructive . At the same time they should not contain flammable substances, in order to avoid the fire. I hope my answer can help you
Q:what's the fire endurance of fireproof panel?
Fire endurance of fireproof panel is 3 hours, for example, 12 mm non-asbestos fiber reinforced calcium silicate board, fireproof panel, two single 75 keel. through the monitoring of national fireproof construction materials quality supervision center, it's security and refractory time will reach over 3 hours. Fireproof board, also called fire endurance board, scientific name is thermosetting resin impregnated paper laminated wood.
Q:What is the main material of fireproof wooden door?
Fireproof wooden door refers to the door whose fire endurance of door frames, skeleton of the door leaf, door panels made of timber or timber work reaches the provisions of "GB50045-95 design of tall buildings for fire protection". Fireproof wooden door contain retardant timner, fireproof expanded perlite and fireproof panel. Accessories: fireproof glue, fireproof hardware.
Q:What are the models of bauxite with high alumina?
China Ferrous Metal Industry Corporation released the industry standard of bauxite (YS / T78-94) in 1994. According to this standard, bauxite can be divided to sedimentary diaspore, stacked type diaspore and lateritic gibbsite. According to the chemical composition, it can be divided into nine trade marks as LK12-70, LK8-65, LK5- 60, LK3-53, LK15-60, LK11-55, LK8-50, LK7-50 and LK3-40. In addition to the provisions of chemical composition of bauxite, the standard also requires that the water of sedimentary diaspore shall not exceed 7% and water of stacked type diaspore and lateritic gibbsite shall not exceed 8%. Moreover, particle size of bauxite should be not greater than 150mm. Bauxite shall not be mixed with clay, limestone and other debris.
Q:What is the material of fire resistant glass reinforced plastics grating?
What is the material of fire resistant glass reinforced plastics grating?
Q:Which kind of external wall fire barrier zone material is better?
The following types are: rock wool, aerated concrete, phenolic aldehyde and foam cement rock wool fire barrier zone "rock wool board" mainly uses water-repelling rock wool board produced by pendulum method as thermal insulation layer materia, and connecting and fixing base wall by binding and nail bonding, it is composed level A non-combustible building energy efficiency thermal insulation system by plastering layer composed by plastering mortar and glass fiber mesh and decorative mortar finishing layer or coating. Good air permeability

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