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蒸压釜釜齿易产生裂纹,釜齿磁粉检测中磁痕与釜齿颜色接近,对比度差,易漏检。介绍了反差增强剂应具有的一些特性和施加方法。给出了反差增强剂使用时的要点,如表面预处理、薄膜光泽度、喷罐搅拌、喷涂方法、风干成膜、成膜厚度、磁悬液喷洒要点、触头法要点、重点检测部位等。
Autoclave autoclave easy to produce tooth cracks, magnetic detection of autoclave cartridge with autoclave tooth color close, poor contrast, easy to undetectable. Some characteristics and application methods of contrast enhancer should be introduced. The key points of the use of contrast enhancer are given, such as surface pretreatment, film gloss, spray tank stirring, spraying method, air-drying film formation, film thickness, spraying of magnetic suspension, contact method, .