1. Description and uses Silica gel desiccant for small packing can be divided into two: A and B. A can be divided into transparent or semi-transparent sphericity and lumpy, B can be divided into white vitriform granules and lumpy. The main component is SiO2 (more than 98.5%), weight per package is from 1g to 5,000g, which can be easily put into the packages of all kinds of stuffs to play its function of moistureproof, antirust, germproof and to wipe off peculiar smell. It is widely used on the moistureproof of apparatus, meter, electronic material, wiring, leather, shoes, caps, clothes, medicine, foodstuff, container, house closet and office cabinet. 2. Technic Index of Silica Gel Desiccant for Small Packing Item Specification A Style B Style Absorption capacity % RH=20% 8 3 RH=50% 20 10 RH=90% 30 50 Bulk Density g / L 720 500-600 Granularity mm 2-3, 2-5, 4-8 2-3, 2-5, 4-8 Loss on Heating% 5 5 Packing Spec 1, 2, 3, 5, 10, 20, 30, 50, 100, 200, 250, 500, 1000 1, 2, 3, 5, 10, 20, 30, 50, 100, 200, 250, 500, 1000, 2000, 5000 Packing Material Teapaper, Nonwoven Fabric, OPP, Tyvek Teapaper, Nonwoven Fabric, OPP, Tyvek.