List of featured suppliers of PRIMERS: TYPES Patent Knotting on Building Products Index
Primers refer to the initial coats that are applied to a surface, in order to prepare it for further coating or painting. There are different types of primers available in the market, including oil-based, water-based, and epoxy-based. Patent knotting is a type of primer used to seal knots in wood, preventing the resin from bleeding through subsequent coats of paint. It acts as a barrier between the knot and the paint, ensuring a smooth finish.