Sell blue silica gel

blue silica gel You May Also Be Interested In: blue silica gel silica gel
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.