Roberlo

Roberlo UNIX 450 HS Clearcoat

$36.00
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Description

Roberlo UNIX 450 HS Clearcoat (HS 2:1) – Professional Automotive Clear Coat

Roberlo UNIX 450 is an HS 2:1 automotive clear coat engineered for professional bodyshop use. It’s designed to deliver high hardness, fast drying, and easy polishing, making it a strong option for both partial repairs and complete refinishing.

Key Benefits

  • HS 2:1 system designed for professional refinishing.
  • High hardness and fast drying to support efficient workflow.
  • Easy to polish when needed for a premium finish.
  • High resistance to scratches (as specified in the TDS).
  • Optional dilution up to 5% when additional yield is needed (TDS).

Available Sizes & Part Numbers

Size Roberlo Art. No. APS Variant
1 L 67948 Available
5 L 67947 Available

Mixing Ratio & Auxiliary Products (TDS)

  • Mixing ratio: 2:1 (100:50 by volume) with optional 0–5% thinner.
  • Hardeners: C354 (Slow), C355 (Standard), C356 (Fast).
  • Thinners: S322 (Standard thinner), S324 (Slow thinner).

Hardener Selection Guide (TDS)

Temperature Recommended Hardener Optional Thinner
< 18°C C356 S322
18–25°C C355–C356 (option) / C354–C355 (option) S322–S324
> 25°C C355 / C354 S324

Technical Specifications (TDS)

Attribute Value
Nature Acrylic 2K
Color Colourless
Specific weight 0.998 kg/L @ 20°C
Viscosity (CF/4) 18" @ 20°C
Dry film thickness 50–60 microns (2 coats)
Yield 9–10 m²/L
Solids content 49% (product) • 48% (application 100:50 vol) • 46% (application 100:50:5 vol)
VOC 493 g/L (product) • 504 g/L (application 100:50 vol) • 515 g/L (application 100:50:5 vol)

Application Notes (TDS)

  • Surface preparation: apply over the basecoat after the flash-off time recommended by the basecoat manufacturer.
  • Pot life @ 20°C: C354: 4h • C355: 4h • C356: 3h.
  • Spray setup @ 20°C (TDS):
    • C354: nozzle 1.2–1.4 mm • pressure 2–3 bar • distance 15–20 cm
    • C355: nozzle 1.3–1.5 mm • pressure 4 bar • distance 15–20 cm
    • C356: nozzle 1.2–1.3 mm • pressure 2 bar • distance 10 cm
  • Flash-off @ 20°C (TDS): C354: 20' • C355: 14' • C356: 13'.

Storage & Safety

  • Humidity control: application equipment should be absolutely dry; close hardener containers immediately after use.
  • If RH > 70% and/or temperature < +10°C, the TDS recommends drying at 60°C.
  • Storage: keep in a ventilated place away from sunlight, between +5°C and +30°C.
  • Professional use: follow label directions and consult the SDS before use.

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