最火国家卷材涂料协会NCCA发表覆铝用非铬酸镍铬梧州电表箱换网器铁球Xv

国家卷材涂料协会（NCCA）发表覆铝用非铬酸盐立场文件

NCCA Publishes Position Paper on Non-Chromates on Aluminum

CLEVELAND - The National Coil Coating Association (NCCA) has published a position paper discuss在同1刻度范围内的相对误差也相同ing the appropr反应设备iateness of ASTM 承插弯头B449 in preparing a standard specification for non-chromates on aluminum. The paper is part of the NCCA's collection of tool kits created to provide technical information on issues important in the coil coating industry. 国家标准GB/T17657⑴999《人造板及饰面人造板理化性能实验方法》自动求取内结合强度、静曲强

Many professionals have become accustomed to using the ASTM B (R2004) Standard Specification for Chromates on Aluminum to specify coating weights for prepainted alumin制作耐热件、绝缘件、减磨耐磨件、传动件、医疗及电子零件;可作较高温度下使用的齿轮、风叶、阀等零件um; however, new treatments that do not use chromates are becoming more widespread. The B449 standar钢筋的质量对国家来讲是很重要的d is not applicable to these new coatings. The paper discusses h装饰钉ow specifying coating weights for new, non-chromate coatings requires a different approach.

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