ISO 5794-1:2010 Rubber compounding ingredients - Silica, precipitated, hydrated - Part 1: Non-rubber tests

Fourth edition. SC 3, Raw materials (including latex) for use in the rubber industry. This fourth edition cancels and replaces the third edition (ISO 5794-1:2005), of which it constitutes a minor revision. — 36 p.
This part of ISO 5794 specifies methods of test for characterizing precipitated hydrated silica for use as a rubber compounding ingredient. A definition of precipitated hydrated silica is given.
ISO 5794-2 specifies the test formulation, mixing equipment, mixing procedure and methods of test for use in determining the physical properties of styrene-butadiene rubber compounded with precipitated hydrated silica.