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1 Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology

1 2018

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Adhesion of Pigmented Surface Finish on MDF Board

Slabejová G., Šmidriaková M.

Annals of Warsaw University of Life Sciences - SGGW. Forestry and Wood Technology

2018

No. 104

566--570

The paper deals with the adhesion of pigmented surface finish intended into interior. The pigmented surface finish was formed as a system of the basic polyester coating material and the top polyurethane coating material. The surface finish was created in two various coating thicknesses on MDF board and on MDF veneered with beech veneer. The coating thicknesses differed in number of coatings of the top coating material. Adhesion of pigmented coating films to MDF board and to MDF veneered with beech veneer was evaluated by pull-off test according to the standard STN EN ISO 4624 Paints and varnishes. Pull-off test for adhesion. The tensile strength on veneered MDF board was higher than on MDF board with the coating film only. The rupture under pull-off test occurred in the surface layers of MDF board on both types of boards. The adhesion was not influenced by the film thickness.