Sodium Stannate, Food Additive
Product name: Sodium Stannate
CAS No.: 12058-66-1
Mainly used in alkaline tin and copper plating of electroplating industry, and the electroplating and chemical plating of alloy such as tin alloy, zinc tin alloy and aluminum alloy, etc. In the textile industry used as fire retardant, weighting agent. Used as a mordant in dyeing and printing industry. Also used for glass, ceramic industry, etc.
25 kg/cardboard drum lined with plastic bags or 25 kg woven bag lined with plastic bag.
|Item||Industrial Grade TOP Grade||Industrial Grade Seconde Grade|
|Appearance||White powder or white crystalline matter||White powder or white crystalline matter|
|Sn % ≥||42.0||36.5|
|Pb % ≤||0.002||0.002|
|Sb % ≤||0.0025||0.002|
|As % ≤||0.001||0.002|
|Fe % ≤||0.02||0.02|
|Free alkali(on NaOH) % ≤||3.5||4.5|
|Nitrate(on NO3) % ≤||0.1||0.2|
|Alkali insoluble matter % ≤||0.1||0.2|