Blue semitransparent glassy substance containing an indicator. When free from moisture the beads are blue. As the beads can take up moisture, they turns light blue gradually. When they turn pink, it indicates that the gel need to be replaced or regenerated. For best result, the product can be used with narrow pore silica gel. In fact, it is mainly used as indicator for the extent of dehumidification and moisture absorption in sealed vessel.

Blue Gel Indicator:

RH=20%8% blue or light blue
RH=35%13% purple or purplish red
RH=50%20% light red
qualified ratio, size, spherical:90%
qualified ratio, size:98%
weight loss at 120 baking:1.5%

Main Product Specification:

White spherical gel: 1-2MM; 1-3MM; 2-4MM; 2-5MM; 3-5MM; 3-6MM; 4-8MM
White lumpy gel: 0.5-2MM; 1.5-4MM

Packing:

25kg in bag, cardboard barrel or iron drum; 12.5kg in iron drum; 500kg in container bag