talc a versatile pharmaceutical excipient wjpps
19 Sep 2013 greasiness and soapy feel hence termed as soapstone and used as a high temperature lubricant It is sectile can Lead lt 10ppm 0 001 1x10 1 13 Aluminium lt 2 0 lt 2 2 TYPES OF TALC POWDER AND LUMP 1 Talc Lump SiO2 52 MgO 30 whiteness 80 2 Chemical grade nbsp