Fine powder, highly colloidal clay.
Na2B4O7.10H2O - Synonyms: Sodium borate decahydrate, sodium pyroborate
Useful for neutralising alkali compositions.
Synonyms: Chalk, Limestone, Calcite, Aragonite, Marble, Pearl, CaCO3.
For use with sodium silicate to give card mortar tubes more durability.
Black copper oxide.
Basic Copper Carbonate, Malachite.
Synonyms: Sodium Aluminium Fluoride, Greenland Spar, Ice Spar, Kryolith
Synonyms: Rust, haematite, ferric oxide, red iron oxide, iron (3+) oxide
Red flame colourant
Light and Heavy Magnesium Carbonate (Basic Magnesium Carbonate). Suitable as a free flow agent, buffer and hand drying chalk.
Synonyms: Pyrolusite, manganese black; manganese peroxide
Synonyms: Waterglass. Suitable for treating card tubes.
Synonyms: Zinc white, Calamine.
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