FUSED SILICA FOR REFRACTORY

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PRODUCT INFORMATION

Item

Fused Silica Powder

Size

D50=9~11um

Application

Epoxy insulation encapsulant material / Epoxy Molding Compound (EMC),

Copper Clad Laminate (CCL), Electromagnetism Industry, Electronic Industry,

Ceramic Industry, The Aerospace Industry, Glass Industry, Plastics Industry,

Grinding Material Industry, Coating Industry, Investment Casting Industry,

Thermal Insulation Product of Calcium Silicate, Refractory Material

Model No.

R610

MOQ

5 ton

Material

natural silica rock after melting

H.S. CODE

25061000

PRODUCT CHEMICAL COMPOSITION AND PHYSICAL PROPERTIES

SiO2

>99.99%

Al2O3

<0.015% 1000ppm

Fe2O3

<0.002% 50ppm

Density

2.2

Whiteness

>92%

Moisture content

<0.05%

Mohs hardness

6.5

Igniting loss

<0.12%

Appearance

powder



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Q:Can anyone say something about the curtain wall fire-proof material key sealing point?
Keypoints; 1, curtain wall design must consider the safety requirements, one of which is fire protection design. 2, Generally, fire protection planning between curtain walls should use the method of setting fireproof isolation layer. 3, Two layers of fireproof isolation layer whose thickness should not be less than 100mm respectively on the top edge and lower edge of the material parts of the house. 4, the fireproof isolation layer commonly uses 1.5mm thick galvanized steel sheet as supporting plate, using for shelving fireproof sheet. The 100mm thick cavity between the layers is filled with mineral wool non-combustible materials tightly covered with tinfoil on the surfaces. 5, protective isolation layer should try to reconcile curtain wall beam level and finish floor level, so as to fill non-combustible material and to avoid that a piece of glass acrosses two fire compartments. 6, the beam should be inside 100mm thick fireproof isolation layer to protect the beam and the upper curtain wall plate. 7, when there are open fire function areas like large-scale hotel or restaurant kitchen inside the curtain walls, curtain wall glass in these parts should consider using cesium potassium fireproof glass to improve the fireproof rating in the region. 8, Fireproof setting in the around areas of curtain wall can use the same method of the above fireproof setting between layers. The joint parts of fireproof isolaton layer and main part as well as curtain wall should use fireproof sealant to seal.
Q:What are the specifications of refractory kilns ?
Rotating equipment is widely used in mechanical, physical or chemical treatment of solid materials in building materials, metallurgy, chemical and environmental protection industry. Such equipment is called rotary kiln. The best materials are magnesia-chrome bricks, unfired magnesite-chrome bricks, silmo bricks, magnesia-alumina spinel bricks, magnesia calcium zirconate bricks, iron magnesia bricks and castables.
Q:Who knows the model of fireproofing materials?
Models of fireproofing material: PC 6555 Bayer 6555 fireproofing PC 6557 Bayer 6557 fireproofing PC 6485 Bayer 6485 fireproofing PC 6385 Bayer 6385 fireproofing PC 6265 Bayer 6265 fireproofing PC 2865 Bayer 2865 fireproofing PC 4610 Dow 4610. Hope my answer will be helpful to you!
Q:I wanna ask that magnesium oxide is refractory?
Magnesium oxide. magnesium oxide has high refractory insulation properties. After above 1000 ℃ high temperature burning, it can be transformed into crystals. And it can be transformed into dead-burned magnesium oxide or sintered magnesia oxide until rising to above 1500 ℃. It has heat-resistant, non-conductive at room temperature and relatively poor thermal conductivity. Magnesium oxide is mainly used for the preparation of ceramic, enamel, refractory crucible and refractory bricks. I hope to help you
Q:How is the performance of refractory materials?
It is a little difficult to answer. There are some requirement for refractory materials, such as fire resistance, softness, creep, thermal shock, abrasive resistance. Besides, requirements for construction performance include: Liquidity, plasticity and other linear change rate, volume density, strength (including high temperature) and all other important indicators must be tested the same conditions with the use of test conditions and test items like body density, strength, line changes in the basic project
Q:Where is the distributing center of refractory materials in China?
The construction of Gongyi Chinese refractory chemical industry professional market is a street in Yongan to implement the spirit of the six plenary session of the four session of the Gongyi municipal Party committee, the adjustment of economic structure, an important step in developing the service industry out of the. First, to promote the rapid development of the third industry. Through the improvement of refractory trade logistics system, make Yongan do truly become the first-class refractories trade and logistics center, driven by the refractory industry from the production area to the exhibition, logistics field extension and transformation, become refractory chemical industry center, Yongan office to promote the optimizing and upgrading of economy. Two is to promote intensive land development. Through the integration of resources, the unified planning of the reserved land, intensive development according to the standard of the city, the introduction of powerful investors, construction of large-scale projects. Three is to further create a business atmosphere in Yongan. Refractory chemical professional market operation, will promote the overall development of Yongan to do business, increase the flow of people, logistics, information flow, capital flow, more to promote the rapid development of the third industry in Yongan office.Gongyi Chinese refractory chemical industry professional market completion, will further promote the development of Yongan street service industry, accelerate the pace of economic restructuring, will run the streets of industrial upgrading has played a great role in promoting. Yongan road street is unprecedented high spirited gesture, innovation and development opportunities, so that industrial upgrading and optimization of the pattern to accelerate the realization of, we are convinced that Yongan's tomorrow will be better!
Q:Urgent question: could you tell me that the export of refractory materials to Vietnam is to be packed in wooden cases or smoked?
Why is the apple screen so small?
Q:What is required to do refractory material?
What kind of refractory material? It’s too extensive.
Q:Could you tell me the fire-resisting time of class B fire proof door?
The fire-resisting time of class B fire proof door is 1h and thickness of door can't be lower than 45mm.
Q:What is the most reasonable drying heating curve of magnesia refractories? Products of less than 0.5T
The material is very troublesome, it might crack horrendously if not baked well and all of them may be scraps after being took out from the furnace. Magnesia hydration is inevitable during the baking process. As volume expansibility of magnesite reaches 200%, so it is easy to crack. The key to bake is to quickly rule out the water vapor in furnace, especially within 150 degrees Celsius. After quickly ruling out the water vapor in furnace to avoid excessive reaction with magnesia of 150 degrees, it can be operated in accordance with convention. In addition, you should pay attention to the heat sources, for which i recommend electrical and coke to avoid generating a lot of water vapor during the natural gas combustion process which will worsen the situation.

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