Boric acid is actually a hydrate of boron oxide(B2O3H2O), which is a white powder crystal o a sealy glossy crystal on a tri-oblique axis , feel soapy if touched,and it is odouless. Soluble in water,alcohol. glycerin, others and esscntial oils, odorless,slightly sour and bitter after taste. Exposure does not change in the air, and can volatilize with water vapor.When heated to 101-105 °C, a molecule of water is lost then form metaboric acid; when heated for a long time at 104-160°C, it is converted into pyroboric acid,and anhydrous is formed at higher temperaturc. The PH of boric acid is 5.1.1g boric acid can be dissolved in18ml cold water,4ml boiling water,18ml cold ethanol, 6ml boiling ethanol and 4ml glyeerol. The solubility in water can be increased with the addition of hy-drochloric acid, citric acid and tartaric acid.
| Item |
Index |
| First grade |
Second grade |
| Boric acid(%) |
≥99.5% |
≥96.5% |
| Water insolubles(%) |
≤0.05% |
≤0.15% |
| Sulfate(SO4)(%) |
≤0.10% |
≤0.40% |
| Chloride(CL)(%) |
≤0.01% |
≤0.05% |
| Iron(Fe)(%) |
≤0.003% |
≤0.005% |
Packaging & Delivery
Generally will be packed in sealed plastic bags, and then be locked into the carton barrels or sealed in woven bags or craft paper bags. But we could also pack it with aluminium foil bags to provide more protection to the goods as our customers' required.
Sample Order: DHL, UPS, FEDEX, EMS, TNT.
(door to door)
Large Order: By air or by sea
If you have your own forwarder, pls tell us the detailed information.
FAQ
1.Are you a trading company of manufacturer?
We are the manufacturer of various chemicals and the first-class agent for kunlun paraffin wax from China.
2.Popular products?
Paraffin Wax, Stearic Acid, Microcrystalline Wax, PE Wax, Vaseline, SLES70%, Polyacrylamide, Fischer-Tropsch wax, Paintball.
3.About Stearic Acid?
We are an ISO certified company for stearic acid.
Popuplar Types: Stearic Acid 1801/1810/1820/1825/1840/1842/1860/1865/1898.
4.About Kunlun Paraffin wax?
Generally the most popular paraffin brand is KUNLUN from Petro China and Asgard is the first-class agent of Kunlun paraffin, so we can provide stable quality, preferential price and large quantity.
5.Do you have any certificates related to quality control?
COA,TDS,MSDS and ISO 9001:2008 certification to ensure quality.
Audited Supplier 
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