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Multi Fuller HS 5:1 High Build Primer Kit – 3L

Professional-Grade 2K Acrylic High build Primer for Superior Surface Preparation

The Multi Fuller HS 5:1 High Build Primer is a premium 2K acrylic filler designed for automotive refinishing professionals who demand performance and efficiency. With a high solids content, this primer delivers excellent filling power, strong adhesion, and smooth levelling, even on vertical surfaces.

Professional-Grade 2K Acrylic High build Primer for Superior Surface Preparation

The Multi Fuller HS 5:1 High Build Primer is a premium 2K acrylic filler designed for automotive refinishing professionals who demand performance and efficiency. With a high solids content, this primer delivers excellent filling power, strong adhesion, and smooth levelling, even on vertical surfaces.

Its easy-to-apply formula and fast hardening time make it ideal for high-throughput environments, helping you achieve a flawless finish with minimal effort


Key Benefits

- Effortless mixing and application – user-friendly for professionals and DIYers

- Rapid curing for faster sanding and recoating

- High build and filling capacity for uneven surfaces

- Excellent adhesion across a wide range of substrates

- Stable and smooth levelling on vertical panels


Compatible Substrates

Multi Fuller HS 5:1 can be applied over:

- Bare steel and aluminum (after matting and degreasing)

- Zinc-coated and galvanized steel (after matting and degreasing)

- Sanded polyester-glass laminates (GFK/GRP)

- Polyester putties

- Polyester primers

- Isolation primers

- Existing OEM finishes in good condition (after matting and degreasing)


Note: Proper surface preparation is essential for optimal adhesion and finish quality.


Kit Contents

- 2.5L Multi Fuller HS High Build Primer

- 0.5L Hardener (5:1 mixing ratio)




Tags: Primer

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FAQs

  • The primer can be applied using a spray gun with a nozzle size of 1.7–2.0 mm. Apply 2–3 coats, allowing appropriate flash-off time between layers. Ensure good ventilation and follow safety precautions during application.

  • Yes, it can be applied to bare steel and aluminum, provided the surface is properly matted and degreased. For optimal adhesion and corrosion resistance, ensure thorough surface preparation.

  • Under standard conditions (20°C), the primer typically cures in 20–30 minutes before it can be sanded. Drying time may vary depending on ambient temperature, humidity, and film thickness

  • What is the recommended application method?

    The primer should be mixed in a 5:1 ratio with the dedicated hardener. For example, 5 parts primer to 1 part hardener by volume. Always follow the manufacturer’s guidelines for best results