Köstropur ® 021012 Micronised silica powder with a hydrophilic surface and a high pore volume, for plastics as anti-blocking agent (PP). Name Köstropur ® 021012 Appearance fine white SiO2-powder pH-value 5,5 - 7,5 Water content, loss on drying [%] max. 3 Particle Size D50 [µm] 9 - 11 spec. Surface AreaBET [m2/g] 280 -350 Forms of delivery Article number Sample Pulver 337019-12325 Order Download File Your contact persons Worlée-Chemie GmbH ChemieHandel Phone 0049 (0)40 7 3333 2503 Fax 0049 (0)40 7 3333 2450 Grusonstrasse 26 DE 22113 Hamburg Send e-mail