Color-varialbe Silica Gel

PY-BULE

P Y-P

P Y-O

Adsorption capacity %

RH=20%≥

8.5

9

9

RH=50%≥

22.5

22

22

Rate of Wearing           %≤

10

5

5

Qualified size ratio        %≥

90

90

90

PH Value

4-8

4-8

4-8

Loss on heating           %≤

5

2

2

Color Variation

RH=20%≥

Light blue

Orange-red

Light brown-yellow

RH=35%≥

Purplish red

Light orange-red

Light brown-green

RH=50%≥

Light red

Light orange

Light blackish-green

Original Color

Blue

Purple

            Orange