Water-based PU coatings for wood and furniture with a new fast hardener

摘要

When it comes to wood coatings,solvent-based polyurethane(PU) systems dominate the world market.Because the water-based PU coatings produced thus far dry at a slower rate,it is difficult for wood and furniture manufacturers to switch to these systems with a lower content of volatile organic compounds(VOC),since it takes longer for them to further process their goods.However,Covestro has now overcome this obstacle to switching technologies by launching the Bayhydur~R quix 306-70.This new hardener makes it possible for the first time to formulate water-based,two-component wood coatings of the highest quality that have drying properties similar to solvent-based systems,but cause less VOC emissions.