橙色的是硅胶

silica gel orange 1)Feature:spherical or irregular-shape,it is currently presented either purple,orange or yellow. 2)Mainly ingredient:silicon dioxide.the product performs all the functions of blue silica gel but does not contain cobalt chloride and is therefore innocuous and pollution-free,and its color varies as humidity changes. 3)Application mainly for dying and indicating humidity of precision instruments,medicin ,petrol chemicals,foodstuff,clothing,leather,electric appliances,other industrial gases and so on. 3)Direction: put proper amounts in a suitable container or package and set the container or package where drying or humidity indication is needed ,this gel can be used independently or in combination with other types of silica gel .after changing color as a result of absorbing dampness,the gel can be reused after heating to change back to its pre-use color,heating is most suitable between 100-120°c