Index denomination

Characteristics and norms for grades

Methods of testing

АМ-1-120

АМ-1-175

АМ-1-300

АМS

АМD-1

АМD-2

 

МАS-200М

 

  1. Appearance:

noncompacted

free-flowing powder, white to light gray in colour,without foreign inclusions

free-flowing white powder

free-flowing powder,from white to grey in colour

 

 

paragraph 7.3

      compacted

from white to light grey in colour, without foreign inclusions, in the form of loose pieces

from white to grey in colour, in the form of loose pieces

paragraph 7.3

  1. Bulk density, gr/dm³:

noncompactedcompacted

35-60

70-100

35-60

70-100

35-60

70-100

40-60

45-60

70-100

35-70

paragraph 7.4

3. рН of suspension, not less

3,9

3,9

3,9

4,5

4,0

3,8

3,9

paragraph 7.5

4. Hydrophobicity, %, not less

99,0

99,0

99,0

99,3

98,0

90,0

paragraph 7.6

5. Molal concentration of methyl-silyl groups, mmol/gr

not less

0,3

not less

0,4

not less

0,6

not less

1,3

0,37-0,92

paragraph 7.7

6. Molal concentration of hydroxyl groups, mmol/gr

not more

0,05

not more

0,05

not more

0,05

absent

0,28-0,70

paragraph 7.7

7. Correlationofhydroxylandmethyl-silylgroupsconcentration, not more

1,0

paragraph 7.7.4.2

8. Mass part of moisture, %, not more

0,6

0,6

0,8

0,8

1,0

1,5

paragraph 7.8

9.Efficiency of defoaming ability, %, not less

60

 

paragraph 7.9