$Fused Silica Raw Materials for Refractory System 1$
$Fused Silica Raw Materials for Refractory System 2$
$Fused Silica Raw Materials for Refractory System 3$
$Fused Silica Raw Materials for Refractory System 4$

$Fused Silica Raw Materials for Refractory$

$Fused Silica Raw Materials for Refractory System 1$

$Fused Silica Raw Materials for Refractory System 2$

$Fused Silica Raw Materials for Refractory System 3$

$Fused Silica Raw Materials for Refractory System 4$

Fused Silica Raw Materials 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

Q: How can refractory materials be divided?: Refractory materials in China can be roughly divided into refractory products and unshaped refractories.

Q: How long can gypsum board endure fire?: Fire endurance refers to the fire-resistent limit of the whole system of light-gauge steel structure coupled with gypsum. It does nor merely refers to gypsum board. Fire endurance of the common gypsum board with the thickness of 9.5mm keeps 1.5 hours. Those gypsum board with the thickness of 12mm has a fire endurance of 3 hours.

Q: Which industry does refractory belong to? Does it belong to construction industry?: It belongs to material, and after all, more than 60% refractories are used in metallurgical industry. If you insist on classifying it, it belongs to supporting industry of metallurgical industry. Refractory industry itself is independent.

Q: Who knows what is the external wall thermal insulation materials for level A fireproofing?: external wall thermal insulation materials level A fireproofing: Incombustible building material is a material that does not occur any burning. Class A1: Monomer inorganic non-combustible. Noncombustible means no open fire. Class A2: Non-flammable organic compound is namely composite materials and non-flammable, the amount of smoke must be qualified. Class B1: nonflammable building material: non-flame material has good flame resistance. It is difficult to fire under the condition of open fire in the air or high temperature, and it is not easy to quickly spread, and when the combustion?source is removed, the combustion will stop immediately. Class B2: combustible?building?materials: flame material has a good flame resistance. In case of fire in the air or at high temperature, it will immediately burst into flames, and easily lead to the spread of fire, such as wooden column, timber roof truss, timber beam and wooden stairs.

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: how is the high-temperature flame-retardant fibre board?: high-temperature flame-retardant fibre board is good decorative material. Hope it helps you.

Q: How is the fire endurance of the fireproof paint?: time is different according to the amount of fireproof paint used. fire resistance time :0.5 hours 1.5 hours 2.0 hours 2.5 hours thickness: 0.45mm 0.9 mm 1.4 mm 2.0 mm 2.8 mm Amount: 0.79kg / m2 1.5 kg / m2 2.3 kg / m2 3.3 kg / m2 4.6 kg / m2

Q: What kind of material is refractory bauxite?: Bauxite in refractory industry usually refers to the calcined bauxite ore which contains Al2O3 no less than 48%, while the content of Fe2O3 is rather low. Clinker of bauxite with high alumina is calcined bauxite. Tghe clinker is grey, light yellow and dark gray.

Q: What are the material requirements of class A fire resistant door ?: What are the material requirements of class A fire resistant door ?

Q: What kinds of refractory materials that can resist 3,000 Celsius degree?: steel fiber reinforced spalling resistant bricks, phosphate bonded high alumina brick with high strength and wear-resistance, and high R.U.L bricks and composite bricks

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