Product description: Silica Gel is a high activated adsorption material, is widely used in desiccant and absorbent.It is a high-powered absorbent in every humid environment and is the only desiccant used in food and medicine by FDA. Quality correlation: It comes up to the GB10455-89( also according to agreement with the customer) . Adsorption of the unit: Adsorbing capacity RH= 20% e10% Adsorbing capacity RH= 40% e 20% Adsorbing capacity RH= 90% e30% Attention: As GB10455-89 standard: RH= 90% quality product e28% Top-quality e29% Superior quality e30% Index of our company Silica Gel Desiccant: Moisture requirement: RH= 20% e9.0-11.5 RH= 40% e 21.0-22.0 RH= 90% e34.0-35.0 Temperature condition: Loss on Drying ( % ) at 180 : 2.0MAX Specific heat : 0.22 Thermal conductivity : 0.15 Storage requirement: Storage environment: Temperature: 5-25 Moisture: 70% Away from the illumination and radiation Storage life: 10 years ( in ideal condition) Specifications: 1-3mm, 2-4mm, 3-5mm, granular or powder. Packaging: Packaging, specifications, text, special signs can designed according to customers.Usually it can be any packing form 1g-25kg/ bag, with Non woven paper, PE, PP, Tyvek, cotton or others.