Type Name of indicator Technical indicator
Silicon dioxide 26.0%max 29.2%max 25.7%max
Sodium oxide 8.2%max 12.8%max 10.2%max
Liquid Baume degree 39.0-41.0 50.0-52.0 44.0-46.0
Insoluble substance 0.10%min 0.10%min 0.10%min
Iron 1.03%min 0.03%min 0.03%min
Modulus 3.1-3.4 2.2-2.5 2.6-2.9
Soluble solid 99%max 99%max 99%max
Solid Iron 0.02%min 0.02%min 0.02%min
Modulus 3.1-3.4 2.2-2.5 1.9-2.1
Package:As the demanding of customer
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