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WB INTERIOR TOPCOAT 40 CLEAR is a 2K waterborne clear waterborne topcoat that finishes interior projects with an acrylic-polyurethane film, so jobs gain the benefits of a modern waterborne system while staying in a familiar topcoat workflow. This acrylic-polyurethane waterborne topcoat is designed to be applied over waterborne clear or pigmented basecoats in coating systems, which lets you keep one finish product on hand for both transparent and solid-color builds. The 40 gloss level comes from the available gloss range of 10, 20, 40, and 90, giving a mid-sheen look that suits many cabinet, millwork, and furniture applications where a balanced, non-matte, non-high-gloss appearance is preferred. The product is identified as ML Campbell WB INTERIOR TOPCOAT 40 CLEAR with manufacturer part AT484000D-63, so finish schedules and reorders can follow the same specification across different jobs.
The 2K waterborne clear waterborne topcoat structure uses a catalyst, so pot life directly affects how long mixed material stays usable on the bench before curing out. With the high performance shorter pot-life option rated at 3 hours, crews can plan smaller batch mixes when fast turnaround and performance are priorities. The extended pot life catalyst providing 8 hours of pot life lets larger or more spread-out jobs run on one mix for a longer window, which can simplify workflow when parts move slowly through a finishing line. Because the product is designed to be applied over waterborne clear or pigmented basecoats in coating systems, finishing sequences can keep basecoat and topcoat products within the same waterborne family from priming through final film.
WB INTERIOR TOPCOAT 40 CLEAR,6L 2-PK belongs to the clear topcoats class, so it sits at the finishing stage in interior coating systems rather than at the primer or stain step. The acrylic-polyurethane waterborne topcoat design targets use over waterborne clear or pigmented basecoats, which positions it well for cabinet, furniture, or millwork workflows that already rely on waterborne undercoats. The 40 gloss level is one of the gloss levels available, alongside 10, 20, and 90, so it gives a mid-range sheen that avoids both deep matte and mirror-like reflection, supporting projects that call for a practical, work-ready appearance. Excellent surface hardness helps the finish resist everyday contact once cured, which is relevant anywhere hands, tools, or stored items regularly meet finished surfaces.
The two catalyst options for flexibility let shops decide between a high performance shorter pot-life of 3 hours and an extended pot life of 8 hours, which helps align mixing strategy with booth capacity, part count, and crew size. Excellent surface hardness contributes to film durability once the coating system has cured, which reduces the need for early refinishing when surfaces see routine use. Good vertical hang and leveling give the coating the ability to stay on vertical faces while still flowing out, which reduces sagging risk and supports a smoother final appearance on doors, panels, and frames. The ability to be tinted up to 8 percent by volume with XA2006/XX Waterborne Pastes lets finishers adjust color within a controlled tint range, while the note that AT48 is not a convertor base keeps the product in its intended topcoat role. The combination of a 2K waterborne clear waterborne topcoat structure and acrylic-polyurethane chemistry supports integration into waterborne finishing lines looking for a defined topcoat stage.
WB INTERIOR TOPCOAT 40 CLEAR is a 2K waterborne clear waterborne topcoat with acrylic-polyurethane chemistry, so it functions as the final clear layer in interior waterborne coating systems.
WB INTERIOR TOPCOAT 40 CLEAR is designed to be applied over waterborne clear or pigmented basecoats in coating systems, so it suits both transparent and solid-color interior builds.
WB INTERIOR TOPCOAT 40 CLEAR uses the 40 gloss level from a range of 10, 20, 40, and 90, giving a mid-sheen finish between low-matte and high-gloss options.
WB INTERIOR TOPCOAT 40 CLEAR offers two catalyst options: a high performance shorter pot-life of 3 hours and an extended pot life of 8 hours, which changes how long mixed material stays usable.
WB INTERIOR TOPCOAT 40 CLEAR can be tinted up to 8 percent by volume with XA2006/XX Waterborne Pastes, allowing controlled color adjustment while keeping the product within its designed system.
WB INTERIOR TOPCOAT 40 CLEAR carries the note that AT48 is not a convertor base, which indicates its role is as a topcoat rather than a tint base for broader conversion.
Choose WB INTERIOR TOPCOAT 40 CLEAR,6L 2-PK when a 2K waterborne clear waterborne topcoat is needed to sit over waterborne clear or pigmented basecoats in interior coating systems. The acrylic-polyurethane waterborne topcoat structure, 40 gloss level option, and excellent surface hardness support cabinet, furniture, or millwork projects that call for a defined mid-sheen finish. With good vertical hang and leveling plus two catalyst options offering either a high performance shorter pot-life of 3 hours or an extended pot life of 8 hours, this ML Campbell AT484000D-63 topcoat can align with different shop schedules while keeping the finish step consistent.
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