tinted back

The trial results indi-cate that TD is an effective and highly competitive bleaching agent ,particular for bleaching and decolorizing of mixed colored wastepaper with a portion of mass-dyed wastepaper.

生产实践表明,二氧化硫脲是一种有效且极具竞争力的脱墨(漂白)剂,尤其对含有部分大面积染色废纸的彩色混合废纸具有较好的增白和脱色效果。