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Q: How can I improve the PU topcoat adhesion and reduce the gloss to 30%? A: We assume the polyurethane has been applied to a surface area. Now we find the need to improve the adhesion of the polyurethane to the surface area. With a polyurethane topcoat, the adhesion can be improved through the choice of sealer material. A means of gloss reduction can be accomplished by rubbing the surface with a course abrasive, using 2/0 steel rather than 4/0 steel wool; Or the addition of an appropriate flattening or dulling material which is mixed into the urethane product.
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© 2008 - Ron Joseph, Paint Consultant in Saratoga, California |
