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在一定生产工艺条件下,通过试验揭示了热镀锌无铬耐指纹产品涂装前处理工艺的变化对耐指纹皮膜的影响规律,进一步研究膜重对产品应用性能(包括导电性、耐摩擦性、耐指纹性、耐热性、涂装性及耐蚀性等)的影响规律,并提供相关的技术参考。结果表明,经前处理后,耐指纹皮膜质量有一定的损失,而膜重是影响产品最终应用性能决定性的因素,将钢板出厂膜重控制在1.0~1.3g/m2范围内,可生产出综合性能优良的热镀锌耐指纹产品。
In a certain production process conditions, the experiment revealed the impact of the change of pre-treatment process on the fingerprint-resistant coating before the coating of the chrome-plated fingerprint-free hot dip galvanized steel, and further study the influence of the film weight on the application performance of the product (including conductivity, rub resistance , Resistance to fingerprints, heat resistance, coating and corrosion resistance, etc.), and provide the relevant technical reference. The results showed that after the pretreatment, the quality of the fingerprint-resistant coating has some loss, and the film weight is the decisive factor that affects the final application performance of the product. The control of the factory film weight of the steel plate in the range of 1.0 ~ 1.3g / m2 can produce a comprehensive Excellent performance of hot-dip galvanized fingerprint products.