Two kinds of boric ester brake fluid are prepared, and the performance test results show that properties of the brake fluid reach the American DOT 4 standard.
制备出两种硼酸酯型制动液，对制动液的性能检测表明，其性能指标达到美国DOT - 4规格要求。
A salt or an ester of boric acid.
氟硼酸形成的一种盐。
Boric acid ester, tri ethanolamine salt of substituted benzoic acid and sodium gluconate were used as anti rust additives in water based cutting fluid.
以硼酸酯、取代苯甲酸乙醇胺盐、葡萄糖酸钠三者为混合防锈剂应用于切削液中，其中硼酸酯和取代苯甲酸乙醇胺盐有明显的协同效应。
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