Talc The  Softest  Mineral

What is Talc?
Talc is a hydrous magnesium silicate mineral with a chemical composition of Mg3Si4O10(OH)2. also this kind of mineral Known as soap stone. Although the composition of talc usually stays close to this generalized formula, some substitution occurs. Small amounts of Al or Ti can substitute for Si; small amounts of Fe, Mn, and Al can substitute for Mg; and, very small amounts of Ca can substitute for Mg. When large amounts of Fe substitute for Mg, the mineral is known as Minnesotan. When large amounts of Al substitute for Mg, the mineral is known as pyrophyllite.

Uses of Talc 

Talc finds use as a cosmetic (talcum powder), a lubricant, and a filler in paper manufacture. As a baby powder, it is an astringent that helps prevent rashes in the area covered by a diaper. It is also a component in paints, ceramics, and roofing materials. Most tailor’s chalk is talc, as is the chalk often used for welding or metalworking. It is also an additive in some foods and pharmaceutical products. Moreover, soapstone is used as an ornamental stone and for several practical purposes, such as for stoves, sinks, countertops, and electrical switchboards.

what’s Anti- Acid talc?

when you add an acid to your product  formula it will make a spacial chemical reaction with CaO , if  the Talc  which you have  used in your product  has more than  1%  CaO in it’s Analyzes, this kind of  Talc isn’t anti acid .  Anti- Acid Talc should have less than 1% CaO  in it’s formula.