FUSED SILICA SAND

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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:What are the differences between thermal insulation material and refractory?
Just as its name implies, Thermal insulation means that it doesn't conduct heat instead it insulates heat inside, while refractory means resistance to high temperature and it will not be out of shape or damaged due to high temperature.
Q:What are the applications of refractory?
Refractory materials are widely used in iron and steel smelting , glass, cement kilns, non-ferrous metal metallurgy, environmental protection, and chemical, etc. For example: For a car of 1.5 tons, do you you know how much refractory it use? The answer is: To produce top hat or other steel products, glass for vehicle windows, nonferrous metals kile aluminum and copper, plastic products of the body all needs refractory. A car of 1.5 tons needs to consume a total of 10Kg refractories.
Q:What types does soft fire prevention materials have?
Species: Finishing fire retardant paint, component fire retardant coating, fire-resistant coating for steel structure and othe kinds of fire retardant coating. Flame retardant plastics and its products, textiles, building materials, flame retardant fabric and exterior wall thermal insulation system products, floor materials, such as various types of fire prevention materials;Fire prevention board, fire doors, fire resistant window frame.
Q:Who knows the setting requirements of roofing fire barrier zone?
curtain wall style architecture should meet the following requirements: The space between the inner cavity of the base wall and curtain wall and base wall, pier between two windows, window sill wall and skirt wall should be sealed by the fire-proof sealing material at each floor. I hope I can help you!
Q:What is shapeless refractory?
Q:What is molten silicon? What refractoriness do refractories made by it have? What properties of using does it have?
Molten silicon can be called quartz glass, which shows an amorphous silicon state. It is a liquid fusion at above 1723 degree and is an ultra-cooling state at low temperatures. It is not generated in refractories, but generated in the matrix, showing liquid state at a high temperature capable of buffering the stress with somewhat binding properties. If quartz glass is used as refractory, its function are melrly these ones. (These are what I konw for reference only.)
Q:Who can tell me about the foundry refractory materials?
The classification of refractories commonly used in casting and smelting: refractory bricks: siliceous bricks, high alumina bricks, corundum bricks, magnesia bricks, magnesia-alumina bricks, magnesia-carbon bricks,etc. shapeless refractory materials: ramming mass, castable refractory, refractory cement, silica sand, magnesite, etc.
Q:What is the difference between wear-resistant material and refractory material?
One is to require wear-resistance. It can be both fire-resistant and wear-resistant, and they can enter different categories. Faced with different demands, it has a variety of features. But both can also be integrated. I think many materials have same division. One is fire-resistant. The two concepts are different division. They are not comparable.
Q:Can anyone tell me what is the material of which the mould for refractory is made?
W18Cr4V die steel
Q:What are fire ratings of wall thermal insulation material?
External wall thermal insulation materials are divided into A and B according to combustion level. Grade A is incombustible material, while grade B is combustible material. A few years ago, fires in CCTV building and Shenyang hotel resulted from grade B material. Currently grade A is usually used, and some are even cheaper than the grade B material. Grade A is roughly divided into insulation mortar, phenolic board, rock wool board, foam cement board, etc. Insulation mortar is quite good. It is easy and convenient to construct, has low cost, but the production is too simple and it is easy to fake. It is recommend to find a large manufacturer with complete formalities, such as provincal records of production, provincal records of use, city records, type test report at or above the provincial level, national fireproof report and design drawing collection of department of construction. Lack of any is unsafe. It is recommended to use mortar from Hebei Qizheng Haocheng New Building Material Co., Ltd. It is absolutely large manufacturer. MPC thermal mortar produced by it is recommend product of Department of Construction in Hebei Province! Generally speaking, the combustion of phenolic aldehyde is grade B, but it can barely reach A2 when a thin layer of mortar is wiped outside.

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