The characteristics of the product:
Anhydrous borax character is white crystal or glass crystal, a rhombic crystal melting point 742.5 ℃, density 2.28; β orthorhombic crystal melting point 664 ℃, density 2.75. Strong hygroscopicity, soluble in water, glycerin, slowly soluble in methanol, can form the concentration of solution of 13 - 16%, the solution is alkaline, insoluble in alcohol. Anhydrous borax borax heated to 350 ~ 400 ℃ anhydrous. In air moisture into ten or five water water borax bora
Technical indicators anhydrous borax:
Inspection item inspection results
Anhydrous borax (Na2B4O7 ≥ 95)%
Sodium carbonate (Na2CO3 ≤ 0.40)%
Sodium sulfate (Na2SO4)% ≤ 0.40
Sodium chloride (NaCl)% ≤ 0.03
Packaging: 25 kg / bag
(plastic bag inside, outer woven bag)
The scope of application:
It can be used as a carrier of metal wire drawing lubricant, as stabilizer and skeleton in refractory material forming body.
☆ for high quality glass, glaze, steel, non-ferrous metal and alloy cosolvent.
☆ used for cement and concrete retarder, water system pH buffer, paraffin emulsifier.
☆ borax is the basic raw material for preparing boron compounds, boron compounds containing almost all were prepared via the borax.
☆ other properties similar with borax.