bleached sulfate paper
A class of paper generally used in grades of
white, as well as for boards requiring strength.
The pulp is fully bleached with chlorine dioxide,
or the dioxide plus peroxide, with or without
hypochlorite, in multistage bleaching operations.
Its high brightness is attainable with strength
characteristics not substantially lower than that
of an unbleached chemical pulp. (17 , 72 )