Envira E-645

is a high molecular weight, anionic copolymer in liquid emulsion that must be dissolved in water before use can perform effectively where pH ranges from 5.5 to 8.5 in the following paper-making applications :

  • Fine Paper and Specialty Grades
    • Retention of fillers such as CaCO3, TiO2, and clay
    • Retention of fiber fines, which are often the nucleus for troublesome deposits and slime growth
    • Improved formation and reduced two-sidedness
    • Increased drainage
    • Retention of alkaline sizing agents
  • Tissue/Toweling Grades
    • Improves retention and drainage of fibers
    • Can significantly improve wet-strength retention
  • Linerboard/Kraft Grades
    • For drainage of heavier weights
    • For formation on lighter grades
    • For significant improvements in wet-strength retention

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