21/30429676 DC

This standard 21/30429676 DC BS ISO 5794-1. Rubber compounding ingredients. Silica, precipitated, hydrated is classified in these ICS categories:

• 83.040.20 Rubber compounding ingredients

This document specifies methods of test for characterizing precipitated hydrated silica for use as a rubber compounding ingredient. A definition of precipitated hydrated silica is given.

This document 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.