Roberlo

Roberlo Kronox 620 Clearcoat UHS

$205.99
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SIZE

Description

Roberlo Kronox 620 Clearcoat UHS 2:1 – High-Gloss, Ultra-Fast Drying Clear Coat

Roberlo Kronox 620 is a UHS 2:1 clear coat designed to maximize bodyshop productivity without compromising finish quality. It is positioned for spot repairs and complete repairs, offering an easy application and a durable, high-gloss finish.

Kronox 620 Key Benefits

  • UHS 2:1 system engineered for productivity and consistent results.
  • Ultra-fast drying: listed drying time of 10 minutes at 50°C (forced drying).
  • Versatile: suitable for spot repairs and complete vehicle repairs.
  • Polish-ready guidance: when necessary, it can be polished after 5 hours (per TDS guidance).

Sizes & Product Codes

Art. No. Size Pack
69773 5 L 3
69772 1 L 12

Technical Specifications

Attribute Value (TDS)
Nature Acrylic 2K
Colour Colourless
Specific weight 1.0 kg/L at 20°C
Viscosity (CF/4) 18–19" at 20°C
Dry film thickness 50–60 microns (2 coats)
Yield 9 m²/L (50 microns)
VOC (Application) 410 g/L (2004/42/EC - IIB(d)(420))
Solids content (Application) 59%

Compatible Hardeners (KX Range)

  • KX43 Gloss Extra Hardener
  • KX44 Slow Hardener
  • KX45 Standard Hardener
  • KX46 Fast Hardener

Mixing & Application (TDS)

Apply Kronox 620 over the base coat after the flash-off time recommended by the basecoat manufacturer.

Hardener Mixing Ratio (as listed) Pot life @ 20°C Nozzle (mm) Pressure (bar) Distance (cm)
KX43 / KX44 100:50 (volume) 1.5 h 1.2–1.4 2–2.5 15–20
KX45 100:52 (weight) / 2:1 1.5 h 1.3–1.5 4 15–20
KX46 (See TDS) 1 h 1.2–1.3 2 10

Pro Notes (From TDS)

  • Polishing: if required, polish once the area has fully cooled down.
  • Humidity control: application equipment should be absolutely dry. Close the hardener container immediately after use.
  • If RH > 70% and/or temperature < +10°C, it is recommended to dry at 50°C.
  • Cleaning: use cleaning thinner before the pot life has expired.
  • Storage: keep between +5°C and +30°C, away from direct sunlight. Shelf life: 1 year unopened.
  • Professional use only: consult the SDS and follow label instructions.

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