Characteristics

Grade 1

Grade 2

Our samples from PW-1

Moisture content (max. w%)

1

4

less than 1.5

NaCl content (min. w%)

99.5

98.5

99.2

Ca²⁺ content (min. w%)

0.03

0.2

32 - 46 ppm

Mg²⁺ content (w%)

0.01

0.1

54 - 95 ppm

Water insoluble matter (in w%)

0.2

0.6

<0.1