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Multi Fuller Rapid HS 4:1 Primer Kit – 4.5L

Ready for sanding in just 1 hour at 20°C or 10 minutes at 60°C , it’s the ideal solution for speeding up repair workflows without compromising quality. Whether you're working with steel, aluminum, zinc-coated panels, or fiberglass, this primer ensures a smooth, durable base for topcoats.

  • £67.03+ VAT

  • Product Code: TRO-16516 & TRO-16522
  • Brand: Multi Fuller
  • Availability: In Stock

 Premium Fast-Drying 2K Acrylic Primer for Automotive Repairs

Achieve flawless results with Multi Fuller Rapid HS 4:1, a high-performance 2K acrylic primer engineered for professional automotive bodywork. This fast-drying primer is enriched with anti-corrosive agents and boasts a high solids content, delivering superior filling power, adhesion, and efficiency.

Ready for sanding in just 1 hour at 20°C or 10 minutes at 60°C, it’s the ideal solution for speeding up repair workflows without compromising quality. Whether you're working with steel, aluminum, zinc-coated panels, or fiberglass, this primer ensures a smooth, durable base for topcoats.


 Key Benefits

-  Rapid curing – sandable after just 1 hour at 20°C or 10 minutes at 60°C

-  Exceptional filling properties for a smooth surface

-  Strong adhesion to challenging substrates

- Built-in anti-corrosive protection

-  Effortless application with excellent sprayability


 Compatible Substrates

Multi Fuller Rapid HS 4:1 adheres perfectly to:

- Bare steel and aluminum (after sanding and degreasing)

- Zinc-coated steel (after sanding and degreasing)

- Sanded polyester-glass laminates (GFK/GRP)

- Polyester putties

- Epoxy primers

- Wash primers

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

Tip: Proper surface preparation is essential for optimal results.



Tags: rapid

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FAQs

  • When working with any 2K products, it is recommended to use personal protection equipment such as Air Fed respirator, safety goggles and gloves to Protect the eyes and respiratory system.

  • 5-10 minutes between coats then 10 minutes before baking at 60°C

  • Yes, it adheres excellently to steel and aluminum, provided the surface is properly flatted and degreased. It also works well on zinc-coated steel, fiberglass, and previously painted surfaces in good condition.

  • Yes , 10-15 minutes of short waves for the thickness of 150-250 µm. Do not exceed 60°C. Wait about 10 minutes before starting the heater drying.

  • What PPE is recommended ?

    The primer should be mixed in a 4:1 ratio – four parts primer to one part hardener. This ensures optimal curing time, adhesion, and surface finish