Roberlo

Roberlo Kronox 510 UHS Clear Coat - Low VOC

$39.99
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Description

Roberlo Kronox 510 UHS Clear Coat – Low VOC (2:1) – 1 L (Art. No. 66201)

Kronox 510 is a UHS 2:1 clear coat designed for an easy, pleasant application and a quality finish. It’s suitable for complete or partial repairs and is formulated with higher hardness to help handle repaired parts sooner (especially in low-temperature conditions) and to be less sensitive when correcting imperfections.

Key Benefits

  • UHS 2:1 clear coat for professional refinishing workflows.
  • Easy application with a qualitative finish for complete or partial repairs.
  • High solids + high viscosity for excellent coverage and less risk of runs.
  • Finish designed to deliver excellent gloss, levelling and hardness.
  • Low VOC (per TDS application VOC values).

Sizes & Product Codes

Art. No. Content Pack Notes
66201 1 L 12 APS variant
66203 5 L 3 Manufacturer reference

Technical Specifications (TDS)

Attribute Value
Nature Acrylic 2K
Colour Colourless
Specific weight 1.0 kg/L @ 20°C
Viscosity (CF/4) 19" @ 20°C
Dry film thickness 50–60 microns (2 coats)
Yield 9 m²/L
Solids content 63% (product) • 62% (application 100:50 vol) • 59% (application 100:50:5 vol)
VOC (application) 380 g/L (100:50 vol) • 407 g/L (100:50:5 vol)

Mixing Ratio & Auxiliary Products

  • Mixing ratio (volume): 100 : 50 : 0–5
  • Mixing ratio (weight): 100 : 52 : 0–4
  • System ratio: 2 : 1
  • Optional thinner: 0–5%
Auxiliary Products Options
Hardeners (KX range) KX44 Slow • KX45 Standard • KX46 Fast
Thinners S322 Standard thinner • S324 Slow thinner

Hardener Selection by Temperature (TDS Reference)

Shop Temp Preferred Hardener Optional Hardener Thinner
< 18°C KX46 KX45–KX46 S322
18–25°C KX45–KX46 KX44–KX45 S322
> 25°C KX44–KX45 KX44 S324

Spray Setup (TDS @ 20°C)

Apply Kronox 510 over the basecoat after the flash-off time recommended by the basecoat manufacturer. On a solvent-based basecoat, apply the clear coat after the coat is completely cured.

Hardener Pot life @ 20°C Nozzle (mm) Pressure (bar) Distance (cm)
KX44 (Slow) 1.5–2 h 1.2–1.4 2–2.5 15–20
KX45 (Standard) 1.5–2 h 1.3–1.4 4 15–20
KX46 (Fast) 1–1.5 h 1.2–1.4 2 10
  • Coats: 2 (TDS reference)
  • Flash between coats: 5–10 minutes (TDS reference)

Drying Times (TDS)

Hardener Flash-off @ 20°C Full dry milestones @ 20°C (as listed) Bake @ 60°C* Short wave IR (as listed)
KX44 45' 4h / 6h / 8h / 24h 20' LIGHT: 5' / 10'
KX45 40' 3h / 5h / 6h / 24h 20' DARK: 4' / 8'
KX46 35' 3h / 4h / 5h / 24h 15' METALLIC: 5' / 10'

*Wait 10–15 minutes before applying temperature (TDS note).

Storage, Humidity & Safety Notes (TDS)

  • Humidity: application equipment should be absolutely dry. Close the hardener container immediately after use.
  • Do not use when relative humidity > 70%.
  • Do not use at temperatures below +10°C; in this case, dry in a spraybooth.
  • Equipment cleaning: use a cleaning thinner before the pot life has expired.
  • Storage: keep between +5°C and +30°C, in a ventilated place away from direct sunlight.
  • Shelf life: 1 year in unopened original packaging.
  • Safety: follow label instructions and consult the SDS for handling and disposal guidance.

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