BS 2540:1960

Specifies a grade of silica gel suitable for use in packaging, as indicated in BS 1133:Section 19. Covers particle size, absorptive capacity, pH reaction, loss on ignition, and includes limits for ammonia and ammonium compounds, water-soluble chlorides and sulphates, particle breakdown and dust. Test methods are described.

All current amendments available at time of purchase are included with the purchase of this document.