ALUMINUM SILICATE
ALUMINUM SILICATE Basic information
- Product Name:
- ALUMINUM SILICATE
- Synonyms:
-
- ANDALUSITE
- ALUMINIUM SILICATE
- FIBERFRAX(R)
- CATALYST (ALUMINUM PILLARED CLAY)
- SILLIMANITE
- SILICA-ALUMINA CATALYST SUPPORT
- PYRAX ABB
- PYROPHYLLITE
- CAS:
- 14504-95-1
- MF:
- Al2O5Si
- MW:
- 162.05
- EINECS:
- 238-509-7
- Product Categories:
-
- Reagents
- Silica Gel
- Inorganics
- Supported Synthesis
- Mol File:
- 14504-95-1.mol
ALUMINUM SILICATE Chemical Properties
- Density
- 3.1-3.2
- form
- fibers
- EPA Substance Registry System
- Silicic acid (H2SiO3), aluminum salt (3:2) (14504-95-1)
Safety Information
- Hazard Codes
- Xn
- Risk Statements
- 36/37/38-20
- Safety Statements
- 26-36-7/9-36/37/39-22
- WGK Germany
- 3
- RTECS
- ZG6800000
MSDS
- Language:English Provider:SigmaAldrich
- Language:English Provider:ALFA
ALUMINUM SILICATE Usage And Synthesis
Uses
ALUMINUM SILICATE (Sillimanite) is extensively mined as a byproduct of beach mineral sand operations in South Africa and Australia. Sillimanite minerals are predominantly used in refractories and technical porcelains. Sillimanite refractories cut into various shapes and sizes or made out of bonded particles are used in industries like cement, ceramics, glass making, metal smelting, refinery and treatment, tar distillation, coal carbonization, chemical manufacture, and iron foundries.
Reactions
ALUMINUM SILICATE (Sillimanite), kyanite, and andalusite are all mullite-forming minerals, that is, on firing they
decompose into mullite and vitreous silica according to the chemical reaction:
3Al2SiO5
—> Al6Si2O13 + SiO2
However, sillimanite
does not change into mullite until the temperature reaches 1545°C with a volume expansion
of 5 to 6 vol.%.
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