Which kaolins are safest to use, with regard to their heavy metal content?
Kaolin extracted from different deposits contains various amounts of trace minerals. Various areas of application require fillers to conform to certain characteristics documented in relevant standards and norms. Amberg Kaolin Works offers two kaolin fillers, Pharmakaolin B860 and CHINAFILL BSK-H, that are appropriate for use in a pharmaceutical context or for children’s toys, in compliance with the Pharmacopoea Europaea and DIN EN 71-3 (“toy standard”).