Generally on Talc
The Talc is mostly characterized by the following features:
- The talc is the softest mineral in the world (the hardness under Mohs Scale = 1)
- Is it hard to melt (the melting temperature of 1,200-1,500ºC)
- It has high density (2,700 – 2,900 kg/m³)
- It has greasy feel
- The people think it is only white, but it also can be grey, green, blue, pink and even black
The basics of talc application:
- Chemical resistance to acids and alkali lye;
- Low electrical and thermal conductivity;
- high absorption ability to bind grease, oils, paints and resin;
- excellent cleavability;
- Pure white color in high-quality talc variety.
TALC APPLICATION
The talc has immensely wide application options in many industrials sectors and in production of innumerable every-day products:
- In beauty industry – manufacturing of soaps, tooth pastes, powders, creams, lipsticks…
- In the paper industry as the filler to paper
- In the textile industry – impregnation of fabric, plasters, food foils …
- In the rubber industry – manufacturing of tires, preservations…
- In the glass and foundry industry – decolorizing and lining of forms, manufacturing of acid-resisting and alkali-resisting vessels
- In the chemical industry – paints, synthetic fertilizers , manufacturing of explosives –the absorbent of nitroglycerine, production of polishing pastes on alabaster and marble, creams for shoes …
- In the pharmaceutical industry – the pure talc as the filler to pills, medicaments…
- In the constructional industry – various facing, impregnates the wood to become heat-resistant; it is added to asphalts, preventing thus the road bed from cracking …
- In the ceramic industry – the very pure talc is used in production of electrical porcelain…
- In the automotive industry – production of high-rank parts as the dashboard and inner lining of vehicle walls, airbags…
- In the food industry – additions to food, in various sweets, conserved meat, in olive oil …
Have you seen sometimes a tailor working? Tailors make various signs on the cloth by a chalk. The French chalk is not the real chalk, but the talc.