Raw Materials for Refractory Fireclay Mortars
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粘土质耐火泥浆
项目 | NN-30 | NN-38 | NN-42 | NN-45A | NN-45B | |
耐火度 ℃ 不低于 | 1630 | 1690 | 1710 | 1730 | 1730 | |
Al2O3, % 不小于 | 30 | 38 | 42 | 45 | 15 | |
冷态抗折强度，mpa不小于 C CS min | 110℃干燥后 | 1.0 | 1.0 | 1.0 | 1.0 | 2.0 |
1200℃x3h | 3.0 | 3.0 | 3.0 | 3.0 | 6.0 | |
荷重软化温度2.0% 不低于 |
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|
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| 1200 | |
| 1200℃x3h烧后 | 1—-3 |
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1300℃x3h烧后 |
| 1—-5 | ||||
粘结时间 ，min | 1-3 | |||||
粒度 % | -1..0mm | 100 | ||||
0.5mm 不大于 | 2 | |||||
-0.074m 不小于 | 50 | |||||
Note: A is ordinary clay refractory slurry, B for phosphate combined with clay refractory mortar
- Q:Is there requirement for radiation indicator in refractory?
- All refractories have no radiated harm to environment, so there is no requirement. From the elemental analysis, magnesite. I do not know it is helpful to you. But for refractory rwa material, any chemical element is radiated, including silicon?dioxide; If they are radioactive. From the use analysis, such as bauxite, do not have use value.
- Q:What are the differences of ceramics and refractories? Is the ceramics belonging to refractories?
- Ceramic pottery ceramic collectively known species of high water absorption and low-grade sinter clay brick, tile-like material; high stone kinds of porcelain clay plus clay and other raw sintered body strength, low water absorption bowls, plates and other kinds of refractory high temperature structural materials are all non-machine ceramic refractory metal material belonging to a broader definition of ceramic refractory ceramic can be attributed to the high temperature ceramic refractory.
- Q:Where is the distributing center of refractory materials in China?
- Refractories industry is one of the pillar industry of Gongyi City, the city's existing more than 300 refractory enterprises, the annual output value of 10 billion yuan, accounting for three of the city's GDPA share of the domestic market share of about 30% of refractories. Production of stereotypes, not stereotypes of two kinds of aluminum, magnesium, silicon and carbon four series of more than 1000 varieties of products, covering the whole country, and exported to Europe and other regions, is one of the Chinese refractory base. Yongan Road Subdistrict Office area is the center of the hinterland of refractories industry, Yongan is the theme of economic development, Chinese, Gongyi refractory chemical professional market, location, close to the aisle 310, Henan Provincial Highway S31, Yongan road and the construction of the Gong Teng speed transportation is very convenient.There is a good space for development and a relaxed business environment. Very conducive to customer management and development, is conducive to the full enjoyment of preferential policies in Gongyi, backed by trees good shade, head blue sky good development.
- Q:Does anyone know fire-proof material of fireproof wooden door?
- Because the timber of fireproof wooden door has gone through fire retardant treatment, so it can prevent fire. Its principle: Fire-retardant treated timber has become flame retardant material itself and its fire endurance has increased. The commonly used method of fire retardant treatment for timber including: Spraying method, soaking method, boiling method, vacuum method, vacuum-pressure method. Spraying method and soaking method are generally used for timber surfaces which are no longer going through planing process, and thin plate fire retardant treatment, whose thickness is less than 10mm . Vacuum method and vacuum-pressure method have excellent flame retardant efficiency, but their equipment are expensive. 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".
- Q:what's the requirements of refractory for forge furnace?
- accurate answers please refer to Current Situation and Development Trend of Refractory Material in Heating Furnace ,Quality Requirement of Modern Industrial Furnace Refractory Material(GB/T17638-1998) Standard,Furnace-constructing Technology, if you need the mail box, please senf e-mail to me, my QQ number: 249704548.
- Q:Is there anyone who can explain how to grade the level of fire insulation board?
- The classification of fire proof level for thermal insulating material 1, Burning performance of building material can be classified into the following several grade according to national standard GB8624-97: Non combustible building materials: Non-conbustible material. Class B1: Refractory building materials: Flame retardant materials have good flame retardant effect.
- Q:I know which material is the fire resistance rolling shutter door
- Inorganic fiber cloth as curtain side replace steel fire shutter curtain of steel plate, the thickness of the inorganic fiber cloth is much thinner than the steel curtain plate and the density is very small, so the volume of the same area of ??the inorganic fiber is super fire shutter the same area of ??steel fire shutter half, and weighs only one more out of the same area a few steel fire shutter, however, the inorganic fiber super fire shutter fire but has a very good insulation properties. I hope my answers are helpful to you.
- Q:What's the feature of construction external wall fireproof and thermal inuslation matertial?
- Building external wall fireproof thermal insulation material is made by stirring, casting, foam protecting and cutting with industrial by-product gypsum as the main raw material, adding sulphate aluminium cement, fly-ash, polymer additives and other materials. It has excellent properties of respiratory function , air permeability, water impermeability, recycling system data, wind load resistance, shock resistance, thermal insulation, fireproof and sound insulation.
- Q:How many hours of the fire endurance time of the rock wool laminboard?
- The fire endurance time of the rock wool laminboard is generally adout 1 or 2 hours.
- Q:Urgent question: could you tell me that the export of refractory materials to Vietnam is to be packed in wooden cases and smoked?
- If the outer packing is made of solid wood, it must be fumigated! If it is not solid wood, you can do without!
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Raw Materials for Refractory Fireclay Mortars
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
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