$Raw Materials for High Quality Refractory Castable for Cement (Low Iron) System 1$

$Raw Materials for High Quality Refractory Castable for Cement (Low Iron)$

$Raw Materials for High Quality Refractory Castable for Cement (Low Iron) System 1$

Raw Materials for High Quality Refractory Castable for Cement (Low Iron)

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Specifications

refractory castable for cement
1) High quality with lowest price
2) Good density, high strength
3) Low cement

Product Description

high quality refractory castable for cement(low iron)

1. Propertities

1) High refractoriness

2) Good density and high strength

3) Low cement with competitive price

4) Good mechanicial performance

5) High quality

2. Application

1) Refractoriness material castable

3. The physical properties

Type Program Index		BM-LN	BM-AHS	BM-AH10	BM-AH15	BM-AH18	BM-SP4
Chemical composition%	Al2O3	>40	>50	>60	>65	>68	-
Chemical composition%	Al2O3+MgO	-	-	-	-	-	70-80
Bulk density (g/cm3)	110°C×16h	>2.25	>2.40	>2.55	>2.60	>2.65	2.8-3.0
Bulk density (g/cm3)	1350°C×3h	>2.20	>2.35	>2.50	>2.55	>2.60	2.8-3.0
Compressive strength (M pa)	110°C×16h	>35	>60	>60	>65	>65	>50
Compressive strength (M pa)	1350°C×3h	>50	>80	>80	>88	>90	>50
Modulus of rupture (M pa)	110°C×16h	>5	>10	>10	>12	>12	>10
Modulus of rupture (M pa)	1350°C×3h	<8	<12	<12	<12	<12	<12
Permanent linear changing rate (%)	110°C×16h	<0.2	<0.1	<0.1	<0.1	<0.1	<0.1
Permanent linear changing rate (%)	1350°C×3h	<0.5	<0.5	<0.5	<0.5	<0.5	<0.5
Water demand (%)		6.5±0.5	6.0±0.5	5.5±0.5	5.0±0.5	5.0±0.5	4.0±0.5
Long-term service temperature(°C)		1350	1350	1350	1350	1350	1350
Maximum service temperature(°C)		1600	1600	1600	1600	1600	1600
Application		Low-temperature furnace roof, walls	All parts	All parts	All parts	All parts	Furnace walls, partsof slag resistance

Packaging & Shipping

25kg bag or ton bag or as your requirement

Our Services

Delivery fast and accurate, high quality, fast reply and good after-service.

FACTORY:

$High Quality Refractory Castable For Cement(Low Iron)$

Q:Who knows the fire resistant level of the rock wool color plate?: Hello; Same with other unprotected steel, the fire endurance of the color steel?plate is generally 15 minutes. It is not a fireproofing material, let alone fire resistant level. If the color steel plate has sprayed fire retardant coating and the thermal insulation filling material in the core is rock wool fiber, it can achieve A level fireproofing requirements. The color steel?plate refers to the painted steel plate, which is a steel plate with organic coating. The color steel board is divided into the single plate, color steel composite board, floor support board, ect. It is widely used in large public buildings, public plants, portable dwelling, and integrated housing walls and roofings. I hope that will help you.

Q:Which industry does the metallurgy and thermal insulating and refractory material belong to?: According to "New Economic Industrial Classification", the metallurgy and the thermal insulation refractory matter belong to C category. The manufacturing industry has 30 categories. The non-metallic mineral products industry has 303 classes. The production of building materials of tiles, stones, ect. refers to clay, ceramic tile production, building stone processing, building materials produced by wastes or drogs and subcategories 3035 produced by other building materials. The manufacture of thermal and acoustic insulation materials refers to the manufactuer of mineral insulation materials and other products, like rock wool, mineral?cotton, expanded perlite and expanded vermiculite used for thermal insulation and sound insulation, but it does not include the production of 3039 subcategories, like asbestos thermal insulation and sound insulation materials, and other construction materials.

Q:What's the fire?retardant material of roller shutter fire resistance door ?: They are composited by inorganic materials, and the main components are perlite, inorganic adhesive and other special formula. It has flat and smoothe surface, unibody and stronger strength after molding. It has owned Chinese and Taiwan strength patent. It is fireproof, sound and thermal insulating. It has passed tests of Tianjin Fire Research Institute and Beijing construction institute. It is an ideal product.

Q:Is it normal for caable fire resistant material to catch on fire?: Abnormal; aging is certainly one of the cause of the fire. That is caused only because of poor insulation and aging caused by short circuit, but a more important reason is configuration of air switch does not meet the requirements. If the capacity of air switch equals that of the cable, trip will happen at the moment when current is overloaded, not causing a short circuit or over current fire.

Q:I would like to know if there is any requirement for refractories in the crucible type high-frequency smelting furnace Worry！ I hope you can help me! This time!: Stable chemical properties. The crucible material should not be hydrolyzed at low temperature. It is difficult to be decomposed and reduced at high temperature and is not susceptible to corrosion by molten slag and molten metal;

Q:What's the texture of refractory for the hearth of reverberatory?furnace? ?: High alumina brick; you can use zircon brick under the temperature above 1700? ;may i use mullite bricks under the temperature from 1400 to 1700? you can use clay brick and heavy corundum brick under the temperature of below 1400 degrees, question closely: what's the usage temperature of reverberatory?furnace? < pre accuse = "qRA" > is there someone use refractory fiber?

Q:what is the specs of thermal insulation refractory slab ?: Fireproof insulation specification is 1220 * 2420 1220 * 2420 * 8 * 9. HPL also known as the fireproof board is scientificly named thermosetting resin impregnated paper laminated wood, the abbreviation of which is HPL.Decorative high-pressure Laminate is fire-resistant building materials for decorative purposes. It is rich in surface color, texture and special logistics performance, widely used in interior decoration, furniture, kitchen cabinets, laboratory table, external walls.

Q:What refractories are used in various parts of the blast furnace.: Blast furnace from top to bottom has the throat, hearth staves, waist, bosh, hearth and furnace bottom. the specific structure is as follows: The throat is the first to be affected by the impact and abrasion, generally use high-density alumina bricks. the upper and central portion of temperature furnace is only 400 ~ 800 ℃, the area with high alumina bricks and silicate bricks. The lower part of furnace is subject to erosion and dust erosion alkali metal vapor due to high temperatures, it is required in such case to use high quality clay brick,high alumina brick,carborundum brick,corundum brick that is slag resistance and alkali?resistance, temperature resustant and wearproof. Furnace bosh temperature reached 1400 ~ 1600 ℃, serverly eroded by slag,vapor, flush. so we use carborundum brick and reaction-bonded silicon?carbide?brick. Bosh temperature reaching1600 ~ 1650 ℃, using alumina brick, corundum brick or silicon carbide brick. the temperature of Hearth near the upper portion of the outlet zone at 1700 ~ 2000 ℃, use of silicate bricks and corundum castable graphite filler, silicon carbide bricks. In 1450 Silly twitch bottom temperature sealing die of hunger slander bet phoenix astringent preserved Grade ~ 1500 ℃, use of graphite bricks and microporous carbon bricks, now use more corundum brick, corundum mullite brick and synthetic mullite brick. x26lt;P class x3d "share-btn"x26gt;

Q:Does anyone know the fire endurance of steel stud partition?: Indeed ① Dragon Brand gypsum board fire-resistant partition: Its fireproofing extreme time is 4 hours, suitable for firewalls of a variety of public buildings, public exit passageway and other partitions, which meets the first level of fire protection standard ② fireproofing and pressure-resistant partition: Refers to the partition which can withstand momentary gas shocks of over 1200pa , mianly used for the room partition with inert gas fire-fighting needs, such as equipment rooms. The pressure-resistant degree of fireproofing and pressure-resistant partition of Beixin Building Materials can be up to 4800Pa, especially suitable for high-rise fireproofing.

Q:How to solve the shell, the crack problem of refractory material in the process of forming.: Pressure mode and number of pressure control "spallation". 2, multiple pressure, pressure degree and discharge way: 1, reduce friction, choose appropriate, than big pressure disposable pressure produced by the plastic deformation, allocate reasonable grading, internal and external friction, reduce billet particles and high die wall bright. 4.--- solve the light one firstly. --moisture content being too high easily cause spallation - the compressibility of water is small and have certain elasticity, appropriately to extend the pressuring time is beneficial. The material can produce large plastic deformation under the effect of continuous load. The right amount of lubricant. - body under the condition of less pressure but long effect time molding. Mould structure is reasonable and improve billet natural stacking density. 5.3, measures to improve the unburned brick molding quality. Many times continuously pressure relief is better than one-off sudden unloading, and controlling the appropriate moisture content;- - is beneficial to air overflow.

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