- moulded shapes, bonded with sodium silicate for use in:
- high-temperature insulation
- refractory insulation
- fireproofing of structural steel and pipes
- soil conditioner
- as loose-fill insulation
- packing material, valued for its high absorbency
- suitable as a substrate for various animals and/or incubation of eggs
- lightweight aggregate for plaster, proprietary concrete compounds, firestop mortar and cementitious spray fireproofing
- as and additive to fireproof wallboard
- component of the interior fill for firestop pillows, along with graphite
- carrier for dry handling and slow release of agricultural chemicals
- soil additive for plants, together with perlite for potted plants
- growing medium for hydroponics.
- means to permit slow cooling of hot pieces in glassblowing, lampwork, steelwork, and glass beadmaking
- used in in-ground swimming pools to provide a smooth pool base
- used in commercial handwarmers
- used as a sterile medium for the incubation of reptile eggs
- light-weight insulative concrete
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