机械工具不仅要注意内在质量,还必须有优等的表面质量和防锈包装装璜水平。过去某些性能好的产品,由于涂厚油,包装落后。从1976年起,首先在手工工具改用了7424薄层防锈油,克服了防锈包装落后状态。近几年来,全国二十多个省市的某些产品相继推广应用,效果良好。一、7424防锈油的特性 Mechanical tools must not only pay attention to the intrinsic quality, but also must have excellent surface quality and anti-rust packaging decoration level. In the past some of the performance of good products, due to thick oil, packaging backward. From 1976 onwards, the first hand tools to switch to 7424 thin layer of rust-proof oil to overcome the backward state of rust-proof packaging. In recent years, some products in more than 20 provinces and cities across the country have been promoted and applied one after another, with good results. First, 7424 anti-rust oil properties