Winnofil® SPT by Imerys is an ultrafine, surface treated precipitated calcium carbonate. It acts as a reinforcing agent. It gives excellent control of rheological properties like yield value... view more

WINNOFIL® SPT Premium by Syensqo is an ultrafine-coated precipitated calcium carbonate manufactured by a synthetic crystallization process. It is used in elastomeric sealants, Kaneka MS polymer and silicone... view more