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CasNo： 13517-24-3
MF： Na2SiO3·9H2O
Appearance： White particles
Delivery Time： 7-30 days after received payment
Throughput： 1 million |Metric Ton|Year
Purity： Custom Made
English name：Sodium metasilicate Nonahydrate Granular
Formula：Na2SiO3·9H2O
Molecular weight：284.2
CASNO.：13517-24-3
Physicochemical characteristics：White particles; Relative density: 0.8-1.0; Melting point: 40-46℃; soluble in water or in thin alkali, insoluble in alcohol or in acid. The solution is alkaline, very hygroscopic and deliquescet when exposed to the air. Very hygroscopic and deliquescet when exposed to the air. Strong solution has a corroding effect on textile and skin.
Product packing specification：Inner bag: PE plastic bag Outer bag: woven bag Net weight:25kg.
Storage and Delivery：Please store in a cool, dry and ventilated place. Keep products from being wet and avoid too much sun exposure during transportation. Temperature of products’ surroundings should be below 35℃.
The quality standards of Sodium metasilicate Nonahydrate Granular（HG/T2568-2008）
|
Items |
National first-rate indexes |
Product testing results |
|
Sodium oxide (Na2O)% |
21.5-23.0 |
23.0 |
|
Silicon oxide (SiO2)% |
21.0-22.5 |
22.5 |
|
Water insoluble matter % |
≤0.05 |
0.005 |
|
Iron levels (Fe)% |
≤0.015 |
0.005 |
|
White degrees |
≥80 |
89 |
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