qdmake1018

Blue silica gel,is also called self-indicating silica gel. Blue silica gel sachet. Allochroic silica gel (blue to light pink)Characteristics:Shape: glass-like pellets or lumps. Color: blue or light blue. Including blue gel indicator, chromotropic silica gel and blue silica gel. Turning from blue to red after absorbing moistures.Use:Mainly used for absorbing moisture, anti-rusting of instruments, ...