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