BS IS0 20927:2019 BSl Standards Publication Rubber compounding ingredients - Precipitated silica Determination of aggregate size distribution by disc centrifuge bsi. BSIS020927:2019 BRITISHSTANDARD National foreword This British Standard is theUKimplementation of IS020927:2019. The UK participation in its preparation was entrusted to Technical Committee PRI/50, Rawmaterials (includinglatex)for use in the rubber industry. A list of organizations represented on this committee can be obtained on requestto its secretary. This publication does not purport to include all the necessary provisions of a contract.Users are responsible for its correctapplication. @TheBritish StandardsInstitution2019 Published byBSIStandardsLimited2019 ISBN9780580955549 ICS83.040.20 Compliance with a British Standard cannot confer immunityfrom legal obligations. This British Standard was published under the authority of the StandardsPolicyand Strategy Committeeon3oNovember 2019. Amendments/corrigendaissuedsincepublication Date Text affected BS IS0 20927:2019 ISO INTERNATIONAL STANDARD 20927 First edition 2019-10 Rubber compounding ingredients Precipitated silica Determination of aggregate size distribution by disc centrifuge Ingrédientsdemelangeducaoutchouc-Siliceprécipitee Détermination de la distribution dimensionnellepar a disque centrifuge Reference number IS0 20927:2019(E) ISO @IS02019