Coating film test的意思|示意

The effects of pretreatment for powder coating on the galvanized steel sheet were investigated through tests of cryslalography, film weight and salt spray test, and the existing process was improved.

对一种用于汽车和通讯行业的新型预磷化镀锌钢板的粉末喷涂前处理工艺进行了研究，通过晶相、膜质量及盐雾试验，对预磷化板的现有工艺进行了改进。

These test methods cover procedures for assessing the adhesion of coating films to metallic substrates by applying and removing pressure-sensitive tape over cuts made in the film.

这些试验方法覆盖了对金属涂层片附着力的评估。附着性通过在涂层切口处施加和去除透明压敏胶带来评估。

The difference of phosphate coating between aluminum alloy sheet and cold rolled sheet is compared by the test of chemical converted film and its structure on the surface of aluminum alloy sheet.

通过对铝合金板材进行的化学转化膜及膜结构的研究试验，对比了铝合金板与冷轧钢板磷化的异同点。

The black inactivating film is homogeneous, and the inactivated coating, test shows, has a no red rust period longer than 1000 hr in neutral salt fog.

所获得的黑色钝化膜外观均匀，镀层钝化后经中性盐雾试验(连续喷雾)出现红锈(基体腐蚀)的时间大于1000小时。

The formulation of the base film and the adhesive layer, and the coating technique were investigated, and the parameters were determined via orthogonal test.

着重对基膜的配方、黏接层材料的选择、镀铝工艺进行深入探讨，通过正交试验法确定涂覆工艺。