Barytes (grades a and b), whiting (grades a, b, c and d), crystalline calcium carbonate (grades a, b, c and d), precipitated calcium carbonate (grades a and b), dolomite (grades a, b, c and d), china clay (grades a, b and c), talc in fibrous form (grades a and b) and lamellar form (grades a, b and c), talc containing carbonate, mica (grades a and b), silica, quartzite, type 1 (grades a, b, c and d), silica, quartzite, type 2 (grades a, b, c and d), kieselguhr, type 1 (grades a, b, c and d), kieselguhr type 2 (grades a, b, c and d), synthetic calcium silicate, synthetic sodium aluminium silicate, synthetic silica. Methods of test: comparison of colour, residue on sieve, particle size distribution, matter volatile at 105C, loss on ignition, matter soluble in water, pH of aqueous suspension, barium sulphate content, calcium carbonate content, calcium and magnesium contents, silica content. Annex gives normal ranges of absorption values.
BS 1795:1976 history
1998BS EN ISO 3262-3:1998 Extenders for paints - Specifications and methods of test - Blanc fixe
1976BS 1795:1976 Specification for extenders for paints