Beger B-5000 Polyurethane 2K

1. Surface preparation 1.1 If the wood has been painted before and the film is peeling, or it is old wood that has never been painted, sand it back to the bare wood. For new wood, sand off excess wood fibers. Then clean the surface so it is free of grease, dust, oil and foreign matter. 1.2 If the polyurethane film is in good condition, scuff the film with No. 320 sandpaper and then clean the surface so it is free of grease, dust, oil and foreign matter. 1.3 If the wood has resin, wipe off the resin with Thinner M-77

2. Primer: 2.1 Apply 1 coat of Beger B-2000 wood resin-blocking primer and leave for about 1-2 hours. 2.2 Fill holes or nail heads with Beger Wood Filler, leave for 30 minutes, then sand and clean. To match the filler shade to the wood, fill after priming, because wood naturally darkens once primed

3. Topcoat. For a gloss finish with Beger Polyurethane B-5000 2-component No. 510 (gloss): - Mix Beger Polyurethane 2-component B-5000 No. 510 gloss, Part A : Part B : Thinner M-50 or M-59 at a ratio of 1:1:1. - Let each coat dry for about 1-2 hours before the next. - Apply at least 3-4 coats for the best protection. For a matte or semi-gloss finish with Beger Polyurethane B-5000 2-component No. 511 (matte) or No. 513 (semi-gloss): - The steps are similar. Start with Beger Polyurethane B-5000 2-component No. 510 (gloss), mixing Part A : B : Thinner M-50 at 1:1:1, and apply 2-3 coats, letting each dry for about 1-2 hours. - Then apply 2 coats of Beger Polyurethane B-5000 2-component No. 511 (matte) or No. 513 (semi-gloss), mixing Part A : B : Thinner M-59 at 1:1:2, letting each coat dry for about 1-2 hours. To improve adhesion between layers, lightly sand with No. 320 wet sandpaper and clean before each subsequent coat