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WB HYDROPLUS WHITE PRIMER 6KG is a 1K waterborne white basecoat and primer from ML Campbell that sprays directly onto MDF or Masonite substrates, giving cabinet and fixture projects a fast, air-dry foundation for waterborne finishing systems. This 1K (air-dry) construction means the basecoat cures without a hardener, so shops can keep workflow straightforward when building up a finish schedule on engineered panels. The primer is designed to insulate MDF from water, which shields vulnerable panel cores during finishing and daily use where moisture exposure is common. Its high pigment and solids content provides excellent levelling even at low application weight, so installers can hit coverage and smoothness targets without loading excess material. Because it can be top coated with any 1K or 2K waterborne polyurethane, the same primed surface supports a range of topcoat choices within waterborne polyurethane systems.
This 1K waterborne white basecoat and primer is applied by spray directly onto MDF or Masonite substrates, so it fits naturally into spray booth workflows used on cabinet parts and fixtures. Because it is air-dry, the film develops without mixing in catalysts, which simplifies pot management during a shift. The high pigment and solids content contributes to excellent levelling at low application weight, so sprayed coats flow out smoothly instead of telegraphing minor panel texture. Designed to insulate MDF from water, the primer film helps maintain panel stability as subsequent waterborne coats are applied. Once the base is established, it can be top coated with any 1K or 2K waterborne polyurethane, allowing the same spray setup to carry through from priming to finishing coats.
ML Campbell 1K waterborne white basecoat and primer is geared to MDF and Masonite substrates, so it suits cabinet doors, drawer fronts, face components, and fixture panels made from those materials. Because it is applied by spray, it aligns with production environments where parts move through a booth rather than hand-applied processes, which supports consistent film build on repeated runs. The primer is designed to insulate MDF from water, so it fits projects where engineered cores will see waterborne products during finishing or routine cleaning once installed. Its high pigment and solids content, combined with excellent levelling at low application weight, makes it appropriate when smooth, uniform white undercoats are needed before building color or clear waterborne polyurethane topcoats. The 6KG size supports ongoing use in shops handling multiple MDF or Masonite runs.
The 1K (air-dry) nature of this waterborne white basecoat and primer simplifies finishing schedules, because no catalyst timing is involved while the film cures between coats. Being spray-applied directly onto MDF or Masonite substrates means the same setup used for topcoats can handle the primer, which reduces equipment changeover between steps. The high pigment and solids content that delivers excellent levelling even at low application weight helps reduce sanding and rework, since a smoother basecoat gives waterborne polyurethane topcoats a better starting surface. Its design focus on insulating MDF from water helps limit bulging and deformation of panel cores as waterborne materials are applied, which supports tighter reveals and cleaner lines in the finished installation. The ability to be top coated with any 1K or 2K waterborne polyurethane gives finish schedules flexibility, allowing shops to select final coats based on performance targets while keeping a consistent white primer underneath.
WB HYDROPLUS WHITE PRIMER 6KG is a 1K waterborne white basecoat and primer from ML Campbell, so it functions as the first spray-applied finishing layer on MDF or Masonite substrates.
The primer can be applied by spray directly onto MDF or Masonite substrates, allowing it to serve as the base layer on those engineered wood panels.
The primer is designed to insulate MDF from water, which helps protect the panel core when waterborne products are applied during finishing and later use.
The high pigment and solids content provides excellent levelling even at low application weight, so sprayed coats cover well while keeping thickness controlled.
The basecoat can be top coated with any 1K or 2K waterborne polyurethane, which lets finishers complete a full waterborne polyurethane system over the primer.
The 1K (air-dry) design means the primer cures without a separate hardener, simplifying mixing and pot handling during spraying operations.
WB HYDROPLUS WHITE PRIMER 6KG from ML Campbell pairs a 1K waterborne white basecoat and primer format with spray application directly onto MDF or Masonite substrates, giving shops a focused solution for those common panel materials. Its design to insulate MDF from water helps panels hold shape as waterborne systems are built over the basecoat. High pigment and solids content delivering excellent levelling at low application weight supports smooth coverage ready for 1K or 2K waterborne polyurethane topcoats. For projects centered on MDF or Masonite with waterborne polyurethane finishes, this primer provides a compatible starting layer.
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