Roberlo  |  SKU: 63040

Roberlo VT141 Express Fast - HS 4:1

$72.00 $77.24
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Description

Roberlo VT141 EXPRESS Rapid Clearcoat – HS 4:1 (3.78 L)

VT141 EXPRESS is a very fast curing, high-gloss 2K acrylic clear coat with a 4:1 mixing system and medium solids. It’s designed to be easy to apply thanks to its very low viscosity (even at low pressures), helping reduce excess overspray and supporting very fast dust-free and ambient drying times. It is described as ideal for spot repairs and panel applications, and can be quick and easy to polish when required.

Key Benefits

  • Rapid clear coat designed for spot repair and panel work.
  • Very low viscosity to support easy application even at low pressures.
  • Very fast dust-free and ambient drying times.
  • Polish-friendly when correction is required.

Sizes & Product Codes

Art. No. Content Pack
63040 3.78 L 3
63187 1 L 12

Technical Specifications (TDS)

Attribute Value
Nature Acrylic 2K
Color Colorless
Specific weight 0.9 (as listed) @ 20°C
Viscosity (CF/4) 13" @ 20°C
Dry film thickness 50–56 microns (2 coats)
Coverage 9–10 m²/L
Solids content 38% (product) • 40% (application 100:25 vol)
VOC (application) 535 g/L (application 100:25 vol) • 2004/42/EC – IIB (e)(840)(535)

Mixing Ratio & Auxiliary Products

System Mix (Volume) Optional Thinner
4:1 100 : 25 : 0–5 0–5%
Compatible Hardeners Compatible Thinners
CT4 Slow
CT5 Standard
CT6 Fast
S322 Standard thinner
S324 Slow thinner

Hardener & Thinner Selection by Temperature (TDS Reference)

Shop Temp (°C) Hardener Optional Hardener Thinner
< 18°C CT6 CT6 S322–S324
18–25°C CT5–CT6 CT5 S322–S324
> 25°C CT5 CT4 S324

Surface Preparation

  • Apply VT141 EXPRESS on the base coat after the flash-off time recommended by the basecoat manufacturer.
  • On a solvent-based basecoat, apply the clear coat after the basecoat is completely cured.

Spray Gun Setup & Application (TDS @ 20°C)

Hardener Pot Life Nozzle (mm) Pressure (bar) Distance (cm) Coats Flash Between Coats
CT4 (Slow) 2 h 1.2–1.5 1.7–2.1 15–20 2 3–5 min
CT5 (Standard) 2 h 1.3 1.7–2.1 15–20 2 3–5 min
CT6 (Fast) 1.5 h 1.2–1.4 2 10 2 3–5 min

Critical Shop 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 lower than +10°C. In this case, dry in a spray booth.
  • Equipment cleaning: use a cleaning thinner before the pot life expires.

Storage & Shelf Life

  • Storage: keep in a ventilated place away from direct sunlight, between +5°C and +30°C.
  • Shelf life: 1 year in unopened original packaging.

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