$Micro Silica Fume - Raw Materials for Refractory System 1$
$Micro Silica Fume - Raw Materials for Refractory System 2$
$Micro Silica Fume - Raw Materials for Refractory System 3$

$Micro Silica Fume - Raw Materials for Refractory$

$Micro Silica Fume - Raw Materials for Refractory System 1$

$Micro Silica Fume - Raw Materials for Refractory System 2$

$Micro Silica Fume - Raw Materials for Refractory System 3$

Micro Silica Fume - Raw Materials for Refractory

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Specifications

1.silica Fume Grade 940
2.Manufacturer
3.Production capacity 3000 ton per month
4.Third party inspection certificate

We are a professional trading leading group in china with more than 20 years trading experience .our major products are silica fume/microsilica and mainly export to middle east, australia , japan and south korea. the sio2 of silica are 85%, 90% and 93% 95% 96% 97% and each order will be tested by sgs test before shipment.

Technical Data:

Index items	Standard Value
SiO2(Silicon Dioxide)	Min. 92.0%
C(Carbon)	Max. 0.7%
Fe2O3 (Iron Oxide)	Max. 0.1%
Al2O3(Aluminium Oxide)	Max. 0.3%
CaO(Calcium Dioxide)	Max. 0.3%
MgO(Magnesium Dioxide)	Max. 0.2%
K2O(Potassium Dioxide)	Max. 0.3%
Na2O(Sodium Dioxide)	Max. 0.2%
P2O5(Phosphorus Pentoxide)	Max. 0.1%
SO3(Sulphur Trioxide)	Max. 0.2
Cl (Chloride)	Max. 0.1%
Moisture Content(H2O )	Max. 0.5%
Loss on Ignition(L.O.I)	Max. 0.5%
Percent Retained On 45μm (325 sieve)	Max. 0.5%
Bulk Density	500-700g/m3

Micro silica Fume

Q:Refractory net: Foreign enterprises created not only for profit, but a career, hope to be able to last forever; domestic, especially private enterprises, most of them do not have such a vision, only to a loophole, cash, so never to do this industry.Welcome to discuss the statements of a school.

Q:How to make the service life of refractory materials longer?: Take acid resistant refractory materials as example: the atmosphere should be acidic atmosphere, if used in an environment whose temperature is 1900℃, it would exacerbate the loss of refractory materials, so don’t use overloaded. Second, select the appropriate refractory materials according to the environment. For example, if its operating temperature is 1800℃, generally speaking, the normal use of it according to the instruction of refractory materials would be fine.

Q:What are the specifications of fireclay bricks?: Dimensions of refractory bricks : 230 * 115 * 65mm

Q:What's the material of fireproof and wear-resisting floor?: It is the kind of special concrete floor, and it should prevent from crash for it will produce fire by friction. It is mostly used for the warehouses storing explosive and inflammable objects and chemical materials. And its production process is the same with that of the common concrete floor, but it uses different material which needs to be the pebbles and sand after processing with marbles and dolomite.

Q:How should fireproof building materials be ranked?: According to our national standard GB8624-97, the combustion performance of building materials are divided into the following levels: A class: Incombustible building materials: the material is almost incombustible. B1 class: Flame-retardant building materials: they are better in fire retardation. It is non-combustible when meeting open fire in the air or under high temperature, and it is difficult for the fire to spread quickly. Besides, when the fire source is removed, combustion stops immediately. B2 class: Combustible building material: It has certain fire retardation. In case of open fire in the air or at high temperature, it will immediately burst into flames, and easily lead to the spread of fire, such as the spread to wooden pillars, timber roof truss, timber beams, wood stairs, etc. B3 class: Flammable building material: It has no fire retardant effect at all, but is highly flammable with high fire risk. Hope my answer can be accepted.

Q:What kind of refractory materials should be used for the intermediate frequency furnace to smelt manganese?: I am not quite clear. But you should take two aspects into consideration, namely, no pollution and strong durability.

Q:What is neutral refractory? Can refractory suppliers tell the main components of it?: // Baike? Url x3d CQ3i6_yUCWUMgk3aaRGGLURNtvKPl5IdZpj35Yvommk7Nyif0IJD-SkdIW29GCHwLpb9cT9Ii25GLcEJg-ZHcq "target x3d" _blank "x26gt; http://baike.baidu.baidu.

Q:What are Grade-A waterproof inorganic thermal insulation materials?: There is a market confusion in Grade-A waterproof inorganic thermal insulation materials. The products mainly include Grade-A monomer material like roc wool and ultra-thin insulation board and Grade-A composite material. Many Grade-B materials wraaped with calcium silicate board or foam cement belongs to Grade-A material, such as phenolic aldehyde composite. Some foamed materials with filling also belongs to Grade-A material. However, there are few products with Grade-A qualification. Many manufacturers are working on the margins of the records with Grade-A fireproofing performance examining report. But this situation will not be too long.

Q:What are the requirements for the performance of refractory materials?: Refractory materials should have very high refractoriness, high temperature heat load and resistance to softening, melting; with high volume stability, resistance to high temperature and heat load, volume shrinkage and only uniform expansion; high strength at room temperature and high temperature strength, high load softening temperature, under the joint action of heat load and heavy load, no loss of strength, creep collapse; Electric furnace analysis should have good resistance to thermal shock, resistance to rapid temperature changes, no crack, not flaking; with excellent slag resistance.

Q:What are the main characteristics of the sic refractories?: 1. The usge temperature of silicon carbide refractory is generally 1760 ℃ 2. The silicon carbide refractories can withstand the dramatic changes of temperature and have a good thermal shock resistance performance. To prevent the cracking or breaking of lining refractories. 3. Under the conditions of high or low temperature, it can withstand a certain compressive stress. 4. Under the conditions of high or low temperature, it can withstand friction. 5. It can withstand the huge hydraulic pressure or buoyancy of the metal. 6. It can also withstand the effect of furnace gases to prevent the infiltration of other refractories and reactions.

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