Raw Materials for Refractory:Activated Clay Desiccant Materials/Montmorillonite Clay
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 10000 m.t./month
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Sliding plate fire clay has characteristics of good bonding and high refractoriness. It is the ideal material for filling sliding aperture.
Advantages
1). Physicochemical stability.
2). Non-toxic,Heat-resistance,Safe .
3). High Al2O3 content .
Chemical analysis
Code | SiO2 | Al2O3 | Fe2O3 | TiO2 | K2O | Na2O | CaO | MgO | Lg loss |
K9550 | 45.70 | 37.81 | 0.41 | 0.04 | 0.97 | 0.01 | 0.18 | 0.14 | 14.38 |
High aluminum refractory mortar:
Al2O3 50--70
mesh number 150
Refractoriness (Degree) 1750--1770
Clay refractory mortar
Al2O3 28--50
mesh number 80
Refractoriness (Degree) 1580—1730
Brand | Property | ||||||
LF-70 | LF-60 | LF-50 | NF-40 | NF-38 | NF-28 | ||
Al2O3 (%) | 70~75 | 60~70 | 50~60 | ≥40 | ≥38 | ≥28 | |
Refractoriness(°C) ≥ | 1770 | 1770 | 1770 | 1730 | 1690 | 1580 | |
bonding strengthMpamin 110°C*24h | 0.74 | 0.58 | 0.58 | 0.45 | 0.45 | 0.45 | |
moisture content
| 6 | 8 | 6 | ||||
mesh number | 80~150 | ||||||
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- Q: which kind of material is chosen for fireproofing window?
- (1) window frame uses steel frame or wooden frame with certain strength that can safeguard the integrity and stability of the components. (2) steel frame and mound layer can choose galvanized?steel?sheet or stainless steel plate. Its selection criteria conform to the article 5.1 in GB12955 Steel Fireproof Door General Technical Condition. (3) the selection criteria of wooden frame and mound layer should conform to the article 5.1 in GB12955 Wooden Fireproof Door General Technical Condition. (4) the inside filler material of steel, wood frame should use incombustible material. (5) fire-resistant glass can choose test approved products without affecting the fire resistance of fireproofing windows . Light transmittance of glass should not be less than 75% of same layers commom sheet glass. (6) the sealing material between the frame and the fire-resistant glass should use flame retardant materials, it can play a role of fireproofing and smoke insulation in the fire.
- Q: what's the standard of fireproofing material?
- Class A1 is divided according to the combustion performance of GB8624-2006 building materials and products. Specific technical index requirements are: 1, the temperature rise ≤30 degrees;mass loss rate ≤50%; combustion duration time is 0; 2, main components, overall products, gross calorific value of external secondary components ≤2.0MJ/kg; any inner secondary component ≤1.4MJ/kg; (there are difference between homogeneous and non-homogeneous). Z802 building materials noninflammability testing furnace has to be used for testing technical indicators mentioned in test 1, using Z805 building materials combustion heat value to test technical indicators mentioned in test device 2.
- Q: What is the upper temperature limit for refractory materials?
- Different materials are different. In the professional field, there is a triangulation cone softening point experiment as a reference for using the upper temperature limit.
- Q: What kind of refractory bricks material is best?
- 1, high alumina brick: The content of Al2O3 is more than 75. The refractoriness is higher than the clay brick. It has good resistance to acid, alkali and erosion and is suitable for cement kiln calcining zone and other places. It has long operation life, but the price is high. 2. dolomite?brick: Formation of coating has good performance, good corrosion resistance, but f-CaO is contained in bricks. It is hydratable and difficult to transport and keep, so it is less used in the production. 3. magnesia-chrome bricks: It has good formation of coating and is used for burning zone. The disadvantage is poor thermal shock resistant performance. Besides, positive Hexavalent Cr is highly toxic. Countries that produce and use magnesia-chrome bricks gradually decrease on the international. Now production units using this brick should find alternatives as soon as possible. 4. spinel brick: It is often used in transitional zone and has good seismic performance, good reduction resistance, but refractoriness is a little bit poor. 5. anti-stripping brick: This brick contains a small amount of ZrO. Martensite phase transformation happens to form thin crack during temperature-rise period. It has strong alkali?resistance, anti-stripping performance and good slag resistance. 6. phosphate brick: It has low refractoriness, but it has strong strength and good shock resistance. It is often used in grate?cooler, hot kiln hood, etc. 7. carborundum brick: It has high temperature resistance(1800 degree, softening temperature under a fixed load is 1620-1640), small coefficient of thermal expansion, high cold-resistance heat-resistance, abrasion resistance. It is suitable for cooling zone and kilneye. 8. silmo brick: It has good thermal shock resistance, high strength, good abrasion resistance, and is suitable for transitional belt.
- Q: Does anyone know about the A-level fireproof materials?
- A-level decorative integrated plates of thermal insulation, water- and fire-proofing mainly can prevent fire and insulate heat with A-level fireproofing glass fiber as thermal insulation materials. The classification of A1-level external wall materials of thermal insulation, fire- and water-proofing: First, external wall thermal insulation materials: 1. silicate?thermal?insulation?materials 2. gelatine powder polyphenyl granules 3. steel wire gauze picking cement cystosepiment (grs board) 4. extruded sheets; Second, roofing materials: 1. xps extruded sheet 2. EPS foam board 3. perlite and perlite brick 4, vermiculite and vermiculite bricks; Third, heating and air conditioning materials: Polyurethane, rubberplastic sponge, polyethylene, polystyrene foam, glass wool, rock wool; Four, steel structure materials: Polystyrene, extruded sheet, Polyurethane board, glass wool roll mat, etc.
- Q: what is the specs of thermal insulation refractory slab ?
- it is produced in accordance with scientific formula by using asbestos, glass fiber and potclay . it has strong tension strength capable of withstanding 1400 degrees Celsius, specifications!: 1.5DD20 (mm)
- Q: Can anyone tell me what is a high alumina refractory?
- High alumina refractories: High-alumina refractory products have high refractoriness, compressive strength and refractoriness under load, which are used for building the high-temperature parts of various large blast furnaces, such steelmaking furnace, airheater, electric furnace, rotary?kiln and other thermal equipment.
- Q: What's the A class fireproof and thermal inuslation matertial for external wall?
- It is a kind of green and environmental protection inorganic material, free of harmful substances like asbestos, benzene, formaldehyde, etc. Its fire resistance can be up to A1grade non-combustible material, which means it can endure the highest temperature of 1400 ℃. It is thermal insulating with low heat conductivity and high heat storage coefficient. It has good weather resistance, finished product stability, anti hollowing, crack resistance, wind pressure and shock resistance with the same service life as buildings of 70 years. It is water-fast and moistureproof, breathable but waterproof, and fungusproof without influence from steam. It is convenient in construction which omits many procedures of panels construction. Once the second plastering is finished, the construction is completed, which greatly shortens the construction period. It has good adhesive property with various base planes, and meanwhile its external exposed surface can choose coating, facing brick, aluminum sheet, marble, etc. It saves money. Excellent construction technology reduces the construction cost. It effectively prevents the panels from leakage at the external wall, window, eave, etc. which saves the subsequent maintenance fund. It provides timely delivery. With sufficient supplies of raw materials and convenient production, it is fast in delivery.
- Q: What are the grades of refractory exterior wall thermal insulation materials?
- Classification of fire rating of extrior thermal insulation materials 1, According to national standard GB8624-97, the combustion performance of building materials are divided into the following grades A level: Incombustible building materials: Materials hardly burn. B1 class: Flame-retardant building materials: Flame-retardant material has good flame resistance. In case of fire in the air or at high temperature, it is difficult to catch fire and the fire will not spread quickly. And when the combustion source is removed, the burning will stop immediately. B2 Class: Combustible building materials: Combustible materials have a certain flame retardancy. In case of fire in the air or at high temperature, it will immediately burst into flames and it is easily to spread fire, such as wooden column, wooden roof truss, wooden beams and wooden stairs, etc. B3 level: Inflammable building materials: It has no flame retardant effect, and it is extremely inflammable, and the risk of fire is high. Classification of exterior wall thermal insulation materials according to fire rating: 1. Thermal insulation materials with A-level combustion performance Rock wool, glass wool, foam glass, foamed ceramic, foam cement, hole-closed perlite, etc. 2, Thermal insulation materials with B1-level combustion performance: Extruded polystyrene board (XPS) after special treatment / polyurethane (PU) after special treatment, phenolic aldehyde, gelatine powder polystyrene granule, and etc. 3. Thermal insulation materials with B2-level combustion performance: Molded polystyrene board (EPS), extruded polystyrene board (XPS), polyurethane (PU), polyethylene (PE), etc.
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Raw Materials for Refractory:Activated Clay Desiccant Materials/Montmorillonite Clay
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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