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Water content

Ash content

Extraction of acetone

Density

Stretch strength

Elongation rate

Menni
viscosity

% ≤

% ≤

% ≤

g/cm3

MPa ≥

% ≥

ML(100°C,1+4) ≤

quality

Excellent

0.5

6

10

1.2

14 . 0

600

80

First Grade

0.5

8

15

1.2

9.0

500

60

second

0.5

10

16

1.2

7.0

400

55