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Sodium silicate, Water glass.
class Item Index
liquid Silicon dioxide(%) ≥26.0 ≥29.2 ≥25.7
Sodium oxide(%) ≥8.2 ≥12.8 ≥10.2
Baume degree 39.0-41.0 50.0-52.0 44.0-46.0
Water insoluble matter(%) ≤0.10 ≤0.10 ≤0.10
Fe(%) ≤0.03 ≤0.03 ≤0.03
Modulus 3.1-3.4 2.2-2.5 2.6-2.9
solid Solvable solid(%) ≥99 ≥99 ≥99
Fe(%) ≤0.02 ≤0.02 ≤0.02
Modulus 3.1-3.4 2.2-2.5 1.9—2.1
sodium silicate
