สังกะสีฟอสเฟตซีเมนต์เวลาทำงาน

Item

Index

Super Grade

Standard Grade

Common Grade

Color

White powder

White powder

White powder

Zinc           %

≥49.5

45-49

_

Content of phosphate(counted as ignition) W PO4 %

≥45

44-48

_

Content of zinc phosphate         %

_

_

≥45

Oil Absorption                      %

20-30

15-25

≤40

Matter volatile at 105℃             %         ≤

1

1

1

Residue on 45μm           %         ≤

0.2

0.2

0.2

Lead(Pb)                   %         ≤

0.005

0.005

_

Cadmium(Cd)                   %         ≤

0.002

0.005

_