Prolong the open time of Bona's range of waterborne finishes, primers and top coats with Bona Retarder, an additive that also improves the levelling of these products. Specially formulated to be used during low indoor humidity and in higher than normal room temperatures. Extend the drying time of products and reduce the risk of finishes drying too quickly and resulting in roller marks on the dried coat. - Facilitates application in dry and/or warm climatic conditions - Minimizes the risk of overlapping and discolouration - Prolongs the open time