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WB HYDROPLUS WHITE PRIMER 25KG is a 1K waterborne white basecoat and primer from ML Campbell that is designed as an air-dry coating for MDF and Masonite substrates, giving cabinet and millwork projects a consistent starting layer. This 1K basecoat is applied by spray, so it fits naturally into shop spray workflows where controlled film build and even coverage matter. The waterborne formulation is engineered as a primer that can be sprayed directly onto MDF or Masonite, letting you move from raw board to a primed surface in one step. High pigment and solids content in this primer build color and hiding power quickly, helping projects reach an opaque base tone without excessive passes. The product is designed to insulate MDF from water, which supports dimensional stability in use. The white basecoat can then be top coated with any 1K or 2K waterborne polyurethane to complete the finishing system.
This 1K waterborne white basecoat and primer is applied by spray, so it lays down as a controlled film that matches typical finishing equipment and techniques in woodworking shops. The formulation shows excellent leveling even at low application weights, which means thinner coats can still flow into a smooth film across MDF or Masonite surfaces. High pigment and solids content help the coating cover the substrate quickly, so each spray pass contributes meaningful hiding and base color. Because the product is designed to insulate MDF from water, the cured film forms a barrier that supports resistance to moisture-related bulging and deformation in service. Once the primer has formed a uniform white base, it can be top coated with any 1K or 2K waterborne polyurethane, creating a complete waterborne coating system from primer through finish.
This 1K waterborne white basecoat and primer is designed for MDF and Masonite substrates, so it fits projects built from engineered wood panels such as cabinet doors, drawer fronts, and interior architectural elements. Spray application directly onto MDF or Masonite allows finish shops working with these substrates to treat raw panels without an intermediate sealer, keeping the process straightforward. The primer is designed to insulate MDF from water, which supports stability of machined edges, routed details, and flat faces when components are installed in environments where moisture can be present. Because the product can be top coated with any 1K or 2K waterborne polyurethane, it works as the first step in a fully waterborne finish build for interior MDF and Masonite applications. The white basecoat character helps establish a neutral, opaque starting point for a wide range of waterborne polyurethane finishes.
The 1K air-dry formulation means this primer functions without mixing a separate catalyst, which simplifies preparation and supports repeatable results from job to job. High pigment and solids content give the primer strong coverage, which helps installers and finish shops reach target opacity with fewer spray passes, supporting consistent color from one batch of parts to the next. The excellent leveling at low application weights allows thin coats to flow out smoothly, so operators can run controlled film builds while still achieving a uniform surface ready for sanding and topcoat. The design focus on insulating MDF from water and preventing bulging and deformation translates into a primed surface that supports dimensional stability after installation. By accepting any 1K or 2K waterborne polyurethane as a topcoat, this basecoat offers flexibility in choosing final sheen and performance while maintaining a consistent primed foundation across different projects.
WB HYDROPLUS WHITE PRIMER 25KG is a 1K waterborne white basecoat and primer, so it serves as both the initial sealing layer and color-building base on MDF and Masonite substrates.
The 1K waterborne white basecoat and primer is applied by spray directly onto MDF, which supports even film build and consistent coverage across flat panels and profiled components.
The primer is designed to insulate MDF from water, which helps prevent bulging and deformation, supporting dimensional stability of MDF parts in moisture-exposed environments.
The 1K waterborne white basecoat and primer can be applied by spray directly onto MDF or Masonite substrates, targeting engineered wood panels used in many interior projects.
The primer can be top coated with any 1K or 2K waterborne polyurethane, so it functions as the base layer in a wide range of waterborne polyurethane finish systems.
High pigment and solids content provide excellent coverage, so fewer coats are needed to reach a solid white base, helping streamline finishing steps on MDF and Masonite components.
WB HYDROPLUS WHITE PRIMER 25KG from ML Campbell combines a 1K air-dry design, spray application, and high pigment and solids content to create a practical waterborne white basecoat and primer for MDF and Masonite. Its ability to be applied directly onto these substrates, along with excellent leveling at low application weights, supports efficient, repeatable finishing on shop-produced components. The primer is designed to insulate MDF from water and prevent bulging and deformation, giving interior MDF projects a stable primed base. Because it can be top coated with any 1K or 2K waterborne polyurethane, it fits into many finishing systems where a white waterborne primer is required as the first step.
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