... 0-7.0Application:PPH is nontoxic and environmental and has remarkable impacts on reducing the VOC of the coatings. Its a strong solvent ... film-forming efficiency increase 1.5~2 fold and remarkably reduce the production cost, PPH is added 3.5~5% in ... , so that it can easily couple with other substances in the formulation, and achieve better emulsifing and dispersing effect, while having no effects ...