Blue silica gel:

nature : blue or light blue or small spherical particles that do not dissolve in water. Easy to absorb moisture and will gradually be transformed into pink. Moisture can use the color change direction and humidity. For industrial and household desiccant moisture.

Popular size: 2 ~ 4 mm, 2 ~ 5 mm, 4 ~ 8 mm

Characters: after absorbing moisture, it will true

color from blue to light red. It is an indicator

silica gel anti-moisture condition.