自贡市黄市小学校办工厂进行了几千次试验,研制成功了我国独特的植物大气防锈剂、清洗剂两种新材料。该材料是石灰、桑叶、榆树叶、桉树叶、芋头等主体原料经熬制而成。这些原料多数有消毒作用,对人体无害,深受操作人员欢迎。防锈剂是褐棕色膏体,其水溶液PH值在8～10之间,涂于机件防锈时间可达 Zigong Huangshi primary school-run factories for thousands of tests, the successful development of China’s unique plant air rust inhibitor, cleaning agent two new materials. The material is made of lime, mulberry leaves, elm leaves, eucalyptus leaves, taro and other main raw materials. Most of these raw materials have disinfection, harmless to the human body, welcomed by the operators. Rust inhibitor is brown-brown paste, the PH value of its aqueous solution between 8 to 10, applied to the rust-proof parts of the time up