... compared with other master batch, the characteristics are:(1) SJ—301 has property of good dispersion, fluidity and workability which cause ... higher than film adding ordinary master batch.(3) After adding SJ—301, the mechanics performance like angle tearing strength, tensile strength, ... it has good toughening and reinforcing function. (3) Add SJ-301 according to 5-10% proportion to resin, mix evenly, ...