Silica gel blue indicator

In the form of spherical or irregularly-shaped grains, the gel is currently presented either purple, orange or yellow.With silicon dioxide as the chief ingredient, 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 changs. Uses: Mainly used for drying and indicating humidity of precision instruments, medicine, petrol chemicals, foodstaff, clothing, leather, electric appliances and other industrial gases, etc. How to use: put proper amounts in a suitable container of package and set the package or container where drying of humidity indication is needed. This gel can be used indepentenly or in combination with other types of silica gel. After changing colof as a result of absorbing dampness, the gel can be reused after heating to chang back to its pre-use color. Heating is most suitable between 100-1200C. Technical Data ITEM SpecificationsWG-1WG-2WG-3Adsorption % RH=20%, ≥ 9.09.09.0RH=50%,≥ 22.022.022.0Rate of weaeing,% ≤ 10.010.010.0Qualified size ratio,% ≥ 90.090.090.0Loss on heating,%≤ 2.02.02.0Loss on heating RH=20%,≥ Orange-redLight brown-yellowYellowish greenRH=35%, ≥ Light orange-redLight brown-greenGreenish yellowRH=50%, ≥ Light orangeLight blackish-greenLight blueOriginal color yelloworangeLight yellow