Index

for coating industry

for other industry

Noncondensing type

High dispersed type

First grade

Second grade

Lead dioxide% ≥

33.9 

33.9

33.9

33.2

Lead orthoplumbate% ≥

97

97

97 

95

Sum of Lead orthoplumbate and free lead oxide % ≥

99

-

Volatile matter on 105°C% ≤

0.2

0.2

Water soluble matter % ≤

0.1

-

Residue on sieve(63µm)% ≤

0.75

0.3

0. 75

Oil adsorption,g/100g ≤

6

 -

sedimentation dissolved volume,ml ≥

-

30

-

Noncondensing capacity

  after it is made into paint and exposed for 14 days , the paint can be stirred and pasted

-

Insoluble matter in nitric acid% ≤

0.1 

0.1

Ferric oxide% ≤

-

 0.005

Copper oxide % ≤

-

0.002