In industry, the most important industrial borax boron minerals. Borax is the most important boron compound. Often as a rare element boron in foreign Shandong borax, but in our country there are rich borax mines, therefore use borax, boron is not a rare element in our country, but the yield element. Borax is also in the industry as a solid lubricant for metal drawing and so on. In refrigerators, freezers, air conditioners and other refrigeration equipment welding repairs often as (inactive) flux for purifying the metal surface. Remove oxides on the metal surface; adding a certain percentage of sodium chloride in borax. Compound sodium fluoride, potassium chloride can be used as an active flux for soldering copper pipe and steel pipe, steel pipe and steel pipe between the refrigeration equipment. Alkalinity take this product 1.0g wholesale borax, add water 25ml dissolved in 20 ~ 25 ℃ law determination (Appendix Ⅵ H), pH value should be 9.0 to 9.6. [1] arsenic salt to take this product 0.4g, add water 23ml dissolved, add 5ml hydrochloric acid, check (Appendix Ⅷ J second method) according to the law, should be consistent with the provisions of (0.0005%). [1] [category] disinfection antiseptic medicine. [Storage] sealed and stored. [Crystal Chemistry] theoretical composition (wB%): Na2O 16.26, B2O3 36.51, H2O 47.23. Borax low-cost, three-level chemical quality assurance (online consultation), borax is provided by Ping Chemical Co., Ltd. Jinan three. Jinan three ping Chemical Co., Ltd. (www.sanpinghuagong.com) Shandong Jinan, chemical products leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Three-ping Chemical leadership with the staff warmly welcome all inquiries negotiations to create three levels of chemical better future.