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index item

for plastic appication

for paint application

zno-x1

zno-x2

zno-t1

zno-t2

zno-t3

zinc oxide %≥

99.5

99.0

99.5

99.0

98.0

lead oxide (pbo) %≤

0.12

0.20

—

—

—

cadmium oxide (cdo) %≤

0.02

0.05

—

—

—

copper oxide(cuo) %≤

0.006

—

—

—

—

mangaese(mn) %≤

0.0002

—

—

—

—

metallic metals(as zn)

none

none

none

insolubles in hcl solution %≤

0.03

0.04

—

—

—

losses on ignition %≤

0.4

0.6

0.4

0.6

—

soluble matters in water %≤

0.4

0.6

0.4

0.6

0.8

screening residues(45祄 wet screen) %≤

0.28

0.32

0.28

0.32

0.35

105癈soluble matter in water %≤

0.4

0.4

0.4

0.4

0.4

hiding power g/m2≤