Orange Silica Gel: Size: 1-3mm, 3-5mm, 4-6mm, etc. Package: carton drum, ... Heating % <1.50Color ChangingRH=20% >Light OrangeRH=35% >Green YellowRH=50% >Dark Green Size :1-3mm,2-4mm,3-5mm,4-8mm Packag ... China type A Orange Silica Gel, Silica Gel Desiccant to green or to white (1-3mm, 2-5mm, 4-6mm, etc ...