A multifunctional antifreeze mainly solves the problems of corrosion prevention, scale prevention, boiling prevention and low-temperature antifreeze. The products mainly include ethylene glycol, H2O2, methyl benzotriazole, TEE9 12, triethanolamine, phosphoric acid, sodium nitrite and so on. The boiling point of this product can reach+125℃ and the freezing point can reach -60℃ ... It is stable, non-toxic, non-flammable, non-explosive, safe and reliable, non-corrosive, non-scaling, non-toxic and tasteless after long-term use, and it is the most ideal coolant for engine water circulation system.
Date of application:1June 1997 12.
Open day:1998 65438+February 23rd.
Date of authorization announcement:
Applicant/patentee: Song Qinghui.
Applicant's address: Dong Qing Group, Heilongjiang Province, Building Dong Qing/KLOC-0, Shiqidao Street, Zhaoqing City, Heilongjiang Province.
Inventor: Song Qinghui
Patent agency:
Agent:
Patent type: invention patent
Classification number C09K5/00
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