... -formaldehyde resin. PPE resin can not only improve the paper wet and dry strength, but also improve fines and ... be widely used in household paper, bond paper, banknote paper, fruit bag paper, offset paper, wrapping paper, newsprint paper,decorative paper and other paper with requirements of wet ... 6.5 Dosage and usage 1. According to the paper and wet or dry ratio requirements, the dosage of per ...