Würth Baer Supply CompanyWürth Baer Supply Company•Built For Those Who Build The World™
    (800) 289-2237
    Vernon Hills, IL
    (800) 289-2237
    Vernon Hills, IL
    Home
    Sign in / Register
    • Quick Order
    • Quotes
    • Promotions
    • Careers
    • Help
    • Contact
    Mobile app

    Why Shop With Us?

    • Lorry and clock graphic

      BUY "YOUR WAY"

      Order by 24/7 by web, contact our sales reps or call by phone.

    • Shopping bag with heart graphic

      One Stop Shop

      What you need, when you need it, all in one place.

    • Trolley graphic

      Next Day Delivery

      Most orders ship same day.

    • Supprt headphone graphic

      Expert Support Team

      Advice and support from knowledgeable professionals.

    Need help? Call(800) 289-2237

    Company Information

    • About Our Company
    • Who is Reinhold Würth?
    • Contact Us / Locations
    • Return Policy
    • Shipping Policy
    • Careers
    • Sales Tax and Exemption
    • Credit Application
    • ACH / e-Check Registration
    • Terms & Conditions
    • Privacy Notice
    • Accessibility Statement
    • Help
    • FAQ
    • Pay Invoices Online

    Shop With Us

    • Shop by Brand
    • Clearance
    • Daily Discounts
    • Catalogs
    • Vendor Literature
    • Download Our Mobile App

    Services

    • SAM.gov - CAGE Code: 1UXJ6
    • Architects & Designers Portal
    • ORSY - Inventory Management Solution
    • Machinery

    Contact

    • Toll-free (800) 289-2237
    • Website Support (800) 944-2237 x4444
    • Support via Text / SMS (800) 289-2237
    Compliance LogoThe logo of Viking CloudThe logo of FSCCARB 2 Compliant
    Vender Freight
    Routing
    • Our Blog (opens in a new tab)
    • LinkedIn (opens in a new tab)
    • Facebook (opens in a new tab)
    • Instagram (opens in a new tab)
    • YouTube (opens in a new tab)
    • TikTok (opens in a new tab)
    • Pinterest (opens in a new tab)
    • X (formerly Twitter) (opens in a new tab)
    Compliance LogoThe logo of Viking CloudThe logo of FSCCARB 2 Compliant
    Vender Freight
    Routing
    Approved US Government VendorCage Code: 1UXJ6

    Copyright © 2004-2026, Würth Baer Supply Company. All Rights Reserved.

    Terms & ConditionsPrivacy NoticeAccessibilityDo Not Sell My Personal InformationWürth ComplianceSite FeedbackSitemap
    0Cart
    0Cart
    Clear Topcoats
    1. Home
    2. Solvents, Stains & Finishes
    3. Clear Topcoats
    Item # MLAT484000D-25L • Mfr # AT484000D-76

    WB INTERIOR TOPCOAT 40 CLEAR,25L 2-PK

    Description

    WB Interior Topcoat 40 Clear For Interior Finishing

    WB INTERIOR TOPCOAT 40 CLEAR gives shops a 40 gloss interior finish built on a 2K waterborne clear waterborne topcoat system. This topcoat is an acrylic-polyurethane waterborne topcoat, so it delivers a waterborne workflow with a 2-component performance structure for interior projects. The product is designed to be applied over waterborne clear or pigmented basecoats in coating systems, allowing one topcoat to finish both clear and colored builds in the same line. Excellent surface hardness supports interior applications where a harder finished surface is desired. Good vertical hang and leveling support applications on vertical parts in a finishing rack. Two catalyst options provide flexibility between a high performance or extended pot life approach, so finishing teams can match the pot life window to the job size and pace.

    Key Waterborne Topcoat Details For Shop Work

    • This 2K waterborne clear waterborne topcoat structure supports interior finishing where a 2-component waterborne system is desired for performance while staying in a waterborne process.
    • The acrylic-polyurethane waterborne topcoat technology provides an acrylic and polyurethane based film, aligning with shops that standardize on waterborne chemistry for interior clear work.
    • Use over waterborne clear or pigmented basecoats in coating systems so a single topcoat can be integrated into multi-color programs without changing the topcoat product.
    • Excellent surface hardness supports finished interior parts that need a harder surface in service, tying directly into durability expectations on interior components.
    • Good vertical hang and leveling help maintain film build and appearance on vertical pieces, reducing issues on doors, panels, or trim held upright during finishing.
    • Two catalyst options support either high performance with a shorter pot-life or an extended pot life, so the same topcoat can be scheduled to match different job sizes and timing.
    • Tinting up to 8 percent by volume with XA2006/XX waterborne pastes allows color adjustment within the topcoat layer, supporting tone control on interior systems.
    • 40 gloss sits within a range of available gloss levels of 10, 20, 40, and 90, so this version can slot into systems that target a mid-sheen interior appearance.

    Application And Pot Life Planning For This Topcoat

    This acrylic-polyurethane waterborne topcoat is built to be applied over waterborne clear or pigmented basecoats in coating systems, so process planning can center on a single topcoat product for both types of base layers. The 2K waterborne clear waterborne topcoat design uses two catalyst options, which directly affects pot life and scheduling. The high performance option pairs with a shorter pot-life of 3 hours, matching faster-moving interior lines or smaller batches. The extended pot life option reaches 8 hours, fitting longer spray sessions or larger runs where fewer mix breaks are preferred. Excellent surface hardness and good vertical hang and leveling tie directly into spray technique and rack layout because they support desired film build and visual results on interior workpieces.

    Using WB Interior Topcoat 40 Clear In Interior Systems

    Where This 2K Waterborne Clear Topcoat Fits

    WB INTERIOR TOPCOAT 40 CLEAR is a 2K waterborne clear waterborne topcoat positioned for interior coating systems that already use waterborne clear or pigmented basecoats. In these systems, the acrylic-polyurethane waterborne topcoat serves as the final film build layer over waterborne clear or pigmented basecoats, so it integrates as the top step in the coating stack. The 40 gloss version sits between the lower 10 and 20 gloss and the higher 90 gloss levels that are available for this line, so it targets interior applications where a mid-level sheen is specified. Because the same topcoat line offers gloss levels of 10, 20, 40, and 90, a shop can keep similar chemistry across different sheen targets while picking this specific product when a 40 gloss finish is required.

    Why Pot Life, Tinting, And Hang Support Results

    The two catalyst options on this acrylic-polyurethane waterborne topcoat directly control pot life choices, giving a finishing operation either a high performance and shorter pot-life window of 3 hours or an extended pot life of 8 hours. This range helps align mixing and spraying to interior project size and crew pace. Excellent surface hardness on the finished film supports interior scenarios where a harder surface is part of the performance expectation. Good vertical hang and leveling are important when coating doors, side panels, or trim pieces in a vertical position because they support film build without excessive movement while still leveling for appearance. The ability to be tinted up to 8 percent by volume with XA2006/XX waterborne pastes adds color-adjustment capability in the topcoat, which helps fine-tune tone or color depth in interior coating systems that use these waterborne pastes. A 40 gloss level gives a defined sheen target that sits within the broader gloss level range of 10, 20, 40, and 90 for this topcoat line.

    Common Questions About WB Interior Topcoat 40 Clear

    What type of product is WB INTERIOR TOPCOAT 40 CLEAR?

    WB INTERIOR TOPCOAT 40 CLEAR is a 2K waterborne clear waterborne topcoat that uses an acrylic-polyurethane waterborne topcoat technology for interior coating systems.

    How is this topcoat used in a coating system?

    The topcoat is applied over waterborne clear or pigmented basecoats in coating systems, so it serves as the final film layer on those interior builds.

    What gloss level does this WB interior topcoat provide?

    This version provides a 40 gloss level, positioned within the available gloss range of 10, 20, 40, and 90 for this topcoat line.

    What are the catalyst options and pot life windows?

    The product has two catalyst options: a high performance choice with a shorter pot-life of 3 hours and an extended pot life option of 8 hours.

    Can WB INTERIOR TOPCOAT 40 CLEAR be tinted?

    The topcoat can be tinted up to 8 percent by volume with XA2006/XX waterborne pastes, allowing color adjustment in the topcoat layer.

    Is AT48 a converter base in this system?

    The description notes that AT48 is not a convertor base, which clarifies its role relative to this waterborne topcoat system.

    Select WB Interior Topcoat 40 Clear For Interior Systems

    Choose WB INTERIOR TOPCOAT 40 CLEAR when an interior coating system calls for a 2K waterborne clear waterborne topcoat over waterborne clear or pigmented basecoats. The acrylic-polyurethane waterborne topcoat structure, excellent surface hardness, and good vertical hang and leveling all support interior finishing demands. With two catalyst options delivering either a high performance 3-hour pot-life or an extended 8-hour pot life, plus tinting up to 8 percent by volume with XA2006/XX waterborne pastes, this 40 gloss version fits coating programs that target a mid-sheen finish within a defined gloss range.

    Base
    Polyurethane
    Color/Finish
    Clear
    Product Type
    Top Coat
    Size
    25 l
    Solid Content
    0.36
    Sheen
    40
    Shelf life
    15 Month
    Dry to stack at 68 degree F
    24 h
    Material Type
    Polyurethane
    Supplier Pack Size
    1
    Sold In
    1
    Base
    Polyurethane
    Color/Finish
    Clear
    Product Type
    Top Coat
    Size
    25 l
    Solid Content
    0.36
    Sheen
    40
    Shelf life
    15 Month
    Dry to stack at 68 degree F
    24 h
    Material Type
    Polyurethane
    Supplier Pack Size
    1
    Sold In
    1
    ML Campbell
    6 l25 l
    10204090
    $539.84/Package
    WB INTERIOR TOPCOAT 40 CLEAR,25L 2-PK
    Item# MLAT484000D-25L / MFR Part # AT484000D-76
    Package
    Package
    Backorder

    Sold In: 1 Package

    Package

    Not Available

    This item is not available in certain regions. For better experience please Sign in or register.