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    All Additives

    Achieving a high-quality paint finish relies on more than just selecting the right coating. Hardeners and thinners play a vital role in paint performance, application quality and overall finish. Our Additive collection brings together the essential products needed to optimise paint systems, improve application characteristics and deliver consistent, professional results across vehicle, industrial and commercial refinishing projects.

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    On saleRelo Acrylic Thinner
    2 Sizes Available
    Relo

    Relo Acrylic Thinner

    Sale priceFrom £4.16 Regular price£8.45
    On saleRelo MS Fast Hardener (500 ml) canister designed for accelerating 2K paint curing process.
    3 Sizes Available
    Relo

    Relocryl Acryl-Hardener Fast

    Sale priceFrom £6.66 Regular price£12.39
    Airo-Chemie Acrylic Hardener HS Fast (2.5L)
    2K-HS-Hardener CS 160 container with airo CHEMIE branding on a white background
    Airo Chemie 2K-HS-Klarlack CS 600 paint can on a white background
    A container of atro CHEMIE 2K-HS-Hardener CS 150 on a white background
    197850000 WBS VE-Wasser (5LT)
    Millaco Extra Fast Hardener AC 820 HS
    2 Sizes Available
    Millaco Hardener 220 Normal
    2 Sizes Available
    Millaco Fast Hardener AC 820 HS (2.5L)
    Millaco 2K HS Fast Hardener 242
    2 Sizes Available
    Millaco Thinner.png__PID:f5f73525-eaf2-4070-9f29-0df2340d7197
    Mipa 2K H5 Rapid Hardener can, professional-grade curing agent for accelerated drying of coatings.
    Mipa 2K H10 Fast Hardener 250ML in a can, a professional curing agent for 2K primers and fillers.
    On saleRelo 2K HS Fast Hardener
    3 Sizes Available
    Relo

    Relo 2K HS Fast Hardener

    Sale priceFrom £8.33 Regular price£16.15
    On saleRelocryl Acryl-Hardener Standard
    2 Sizes Available
    Relo

    Relocryl Acryl-Hardener Standard

    Sale priceFrom £5.83 Regular price£12.39

    All Additives Frequently Asked Questions

    What products are included in the Additives collection?

    This collection includes paint hardeners and thinners used to prepare coatings for application and ensure optimum performance during spraying and curing.

    What is a paint hardener?

    A hardener is a chemical activator that reacts with compatible paint products, primers, clearcoats and fillers to initiate the curing process and create a durable final finish. - Always check the technical data sheet.

    What does paint thinner do?

    Paint thinner is used to reduce the viscosity of coatings, making them easier to spray and helping achieve a smoother, more even application. - Always check the technical data sheet.

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