The Use of Calcined Kaolins (Calcined Clays) as ...
Imerys Performance Minerals supplies hydrous and calcined kaolins (calcined clays) as antiblocking additives for polyolefin and polyester films. Calcined (heat treated) kaolins are added to low density polyethylene (LDPE) and linear LDPE (LLDPE), either in the postreactor phase of production or as a masterbatch during downstream processing.