1. Improve the strength of paper in a dry state, increase the stiffness and hardness of paper;

2. Strengthening the structure between fibers; Improve tensile strength, ring compression strength, and flexural and fracture resistance;

3. High content, good effect, and low dosage; Only 1-1.5kg of paper is needed per ton;

Especially suitable for cardboard and sand tube paper;

Helps with retention and filtration