• ×

    WSB-3A intelligent digital whiteness meter

    Video
    Gallery
    360°Show
    ×
    ×
    ×
    Applicable scope
    Test principles and standards
    Instrument characteristics
    Configuration list
    Used for the determination of whiteness and optical properties of textiles, silk, paper, paint, cotton fiber, ceramic building materials and daily chemical materials.
    GB/T 8424.2-2001 Standard Test Method for color fastness of Textiles - Test Method for relative whiteness
    ISO 2469  JJG 512/48
    无码久久三级电影,亚洲乱码成熟视频在线播放,99久久精品国产毛片,av官网在线观看 欧美一级α片中文字幕