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China
N º de Modelo:
12179-04-3
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Persona de contacto Ms. selena
gongnonglu, Shijiazhuang, Hebei
Synonym: Sodium tetraborate,pentahydrate
Molecular Formula: Na2B4O7·5H2Oã€Na2B4O7·*0H2O
Molecular Weight:**1.*9ã€**1.*6
CAS No.: *********3ã€********4
Property:
1.colorless semitransparent crystal or
white single slant crystal powder. No smell, taste salty,
easily soluble with glycerin, water, slightly soluble in
ethanol,
not soluble in acid, water solution appears as
alkaline.
2.White crystal powder.Effloresce in
dry air. It’s easily soluble in water and glycerin, water
solution is alkali. not soluble with alcohol and acidity. when
heated
to **0℃, loss 5H2O, up to **0℃***0℃, loss
hydrate absolutely. Melting point：*5℃.
Specification:
1.Borax Pentahydrate
| B2O3 | *8.5%Min |
| Na2O | *1.5%Min |
| SO4 | 0.**1%Max |
| Cl | 0.****5%Max |
| Fe | 0.***3%Max |
| Water Insoluble Matter | 0.**3%Max |
2. Borax Decahydrate
| Na2B4O7·*0H2O | *9.5% Min | *5% Min |
| CO2 | 0.1% Max | 0.2% Max |
| Insoluble in water | 0.*4% Max | 0.*4% Max |
| SO**- | 0.1% Max | 0.2% Max |
| Cl- | 0.*3% Max | 0.*5% Max |
| Fe | 0.**2% Max | 0.**5% Max |
| B2O3 | *6.3% Max | *6.3% Max |
Packing:
Net each in *5kg
plastic woven bag, lined with PE bag.
Usage:
mainly used for glass and porcelain enamel industry. In
glass industry, it can enhance transparency and heat-resistant
property. In porcelain enamel
products, it can make enamel not easy to fall off and with
luster. It also widely used in optics glass, glass fiber,
colored metal as jointing agent, cohering agent
for jewelry, printing and dyeing, detergent, refined gold,
cosmetics, pesticide, fertilizer, borax soap, antiseptic,
antifreeze, and in pharmaceuticals as
disinfectors etc. It’s also one of basic raw material for
making other boric compound.
| País: | China |
| N º de Modelo: | 12179-04-3 |
| Precio FOB: | Obtener el precio más reciente |
| Lugar de origen: | - |
| Precio de pedido mínimo: | - |
| Cantidad de pedido mínimo: | - |
| Detalle de embalaje: | - |
| El tiempo de entrega: | - |
| Capacidad de suministro: | - |
| Tipo de pago: | - |
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