... : 2.0-2.5nm 3.ISO 9001:2008 4.As desiccant 1-3mm,2-5mm,4-8mm Silica Gel Blue Character: Composed of ... blue gel indicator, allochroic silica gel and blue gel, blue silica gel performs as ... , leather, shoes, garment, food, drug and household electric appliance industries as silicon gel desiccant.Technical Specification: Item Typical Data Absorptive capacityRH ...