So VBK was optimal white dyes in high white paper. Silca-aluminum microparticle retention aid system was superior to conventional CS-CPAM system.

• 硅铝微粒助留系统对纸料的助留助滤性能优于常规CS-CPAM助留助滤体系,而且CS-CPAM-硅铝微粒助留助滤体系又要胜于CS-硅铝微粒助留助滤体系。