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Machinable Ceramic Lava Blocks for Insulation
Product Description
Characteristics of pyrophyllite
The characteristics of pyrophyllite are similar to talc in appearance, and many physical properties are similar to talc. Natural whiteness 25°~90°, loss on ignition 4%~6%, refractoriness up to 1690°C, hardness of Mohs 1~2, density (specific gravity) 2.8~2.9
The use of pyrophyllite
1. Used as a refractory
Pyrophyllite contains silicon dioxide and aluminum oxide. It does not melt when heated. It is a raw material for manufacturing aluminum silicate refractory materials. Its essential requirements limit iron oxide content. Generally, aluminum oxide (Al2O3) ≥ 24%, (Fe2O3) 1670℃.
The characteristics of pyrophyllite are similar to talc in appearance, and many physical properties are similar to talc. Natural whiteness 25°~90°, loss on ignition 4%~6%, refractoriness up to 1690°C, hardness of Mohs 1~2, density (specific gravity) 2.8~2.9
The use of pyrophyllite
1. Used as a refractory
Pyrophyllite contains silicon dioxide and aluminum oxide. It does not melt when heated. It is a raw material for manufacturing aluminum silicate refractory materials. Its essential requirements limit iron oxide content. Generally, aluminum oxide (Al2O3) ≥ 24%, (Fe2O3) 1670℃.
2. Used as ceramic raw material
Pyrophyllite can be used for daily ceramics and architectural ceramics.
3. Make crafts and decorative materials
4. Used in artificial diamond industry
5. Make glass fiber
6. Do stuffing
7. Other uses:
(1) Directly processed into electrical insulation parts and high insulation devices;
(2) The wax powder can be used as a blend of pesticides and pesticides;
(3) The main ingredients of artificial powder sieve and white cement;
(4) Paint for enamelware;
(5) Do anti-sticking release agent for other industries.
Pyrophyllite can be used for daily ceramics and architectural ceramics.
3. Make crafts and decorative materials
4. Used in artificial diamond industry
5. Make glass fiber
6. Do stuffing
7. Other uses:
(1) Directly processed into electrical insulation parts and high insulation devices;
(2) The wax powder can be used as a blend of pesticides and pesticides;
(3) The main ingredients of artificial powder sieve and white cement;
(4) Paint for enamelware;
(5) Do anti-sticking release agent for other industries.
Theoretical chemical composition
Al2O3 | 28.3% |
SiO2 | 66.7% |
H2O | 5.0% |
Material data
We can make vent open on the crucibles

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Company Profile
Shanghai Yunnuo Industrial Co., Ltd. is located in Shanghai,China. Our team at yunnuo has the experience to assist you in
producing the required items made of hard metal and technical ceramic that will fulfill your most stringent requirements. Our main products as below:
Industrial ceramic products: (al2o3)alumina ceramics,(Zro2) zirconia ceramics,(Mgo) magnesium oxide ceramics,(SiC)silicon carbide ceramics,steatite ceramic, mullite ceramic, cordierite, boron nitride, machinable ceramics, mica and other custom-made ceramics,etc. These are widely used in factories, research institutes, and other enterprises and institutions.
Our company's business philosophy: integrity, efficiency, innovation, transcendence, and win-win. Our company is to focus on the
needs of customers, all for the sake of customers, in the principle of good faith, we provide professional, efficient,high-quality services, constantly innovate in technology and products, surpass ourselves, strive for excellence, and achieve a
win-win situation.
producing the required items made of hard metal and technical ceramic that will fulfill your most stringent requirements. Our main products as below:
Industrial ceramic products: (al2o3)alumina ceramics,(Zro2) zirconia ceramics,(Mgo) magnesium oxide ceramics,(SiC)silicon carbide ceramics,steatite ceramic, mullite ceramic, cordierite, boron nitride, machinable ceramics, mica and other custom-made ceramics,etc. These are widely used in factories, research institutes, and other enterprises and institutions.
Our company's business philosophy: integrity, efficiency, innovation, transcendence, and win-win. Our company is to focus on the
needs of customers, all for the sake of customers, in the principle of good faith, we provide professional, efficient,high-quality services, constantly innovate in technology and products, surpass ourselves, strive for excellence, and achieve a
win-win situation.
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