Item

Unit

Grade Technical Index

Potassium perchlorate≥

%

99.5

moisture content

%

0.02

chloride

%

0.05

Chlorates≤

%

0.05

bromates≤

%

0.02

Sodium≤

%

0.20

calcium magnesian sulfate≤

%

0.20

Water insolubles≤

%

0.01

Iorn≤

%

0.002

Size pass rate≥

420 µm

test sieve

%

100

180µm

test sieve

%

99.9

150µm

test sieve

%

99.5

75µm

test sieve

%

90.0