599960 - Optima hardener non sanding SIKKENS 1L

The hardener Autosurfacer Optima Hardener Non Sanding from Sikkens is a high-performance 2K catalyst intended for the "non-sanding" version of the Autosurfacer Optima primer. It enables a rapid process, offering a single application followed by direct coverage, while maintaining a smooth film ready for painting in optimized timeframes.

Technical Characteristics

• Product Name: Autosurfacer Optima Hardener Non Sanding
• Type: 2K Hardener (polyisocyanate) for NS primer
• Compatibility: Exclusively with Autosurfacer Optima Non Sanding
• Mixing Ratio (vol.): 3 Optima : 1 Hardener NS : 2 Reducer NS (Medium or Slow)
• Covering Time: ≈ 15 min at 20°C, up to 24 h at 20°C without sanding
• Pot-life: ≈ 35-45 min at 20°C (Reducer Medium), ≈ 60 min at 30°C (Reducer Slow)
• Application: 1 coat by spraying
• Nozzle/Pressure: 1.2-1.4 mm · 1.7-2.0 bar · HVLP 0.6-0.7 bar (8-10 psi)
• Storage: 12 months at ~20°C, closed packaging
• Finish Compatibility: Sikkens Autowave Clears/Lacquers, Autowave 2.0, Autobase Plus, Autocryl Plus, Autocryl Plus LV

Advantages

• Simplified Non Sanding Process: elimination of the sanding step before finishing
• Reduced Timeframes: covering window from 15 min to 24 h
• Excellent Flow: uniform primer surface facilitating base/clears
• Improved Productivity: short cycles and consistent results

Recommended Applications

• Quick repairs or complete elements with Autosurfacer Optima Non Sanding
• Substrates: steel, aluminum, OEM e-coat, old paints, polyester fillers
• Paintable plastics via suitable adhesion promoter (see Sikkens technical sheet)

Usage Tips / Implementation

• Preparation: Degrease, final sanding P500 (P600 recommended for dark shades)
• Mixing: Follow the ratio 3:1:2; add the Hardener first, mix, then incorporate the Reducer and homogenize
• Application: Apply a full coat; cover within 15 min at 20°C or up to 24 h

Safety

• Protective Equipment: gloves, goggles, air-fed respirator recommended
• Storage: Constant temperature (~20°C), closed container, protected from moisture and extreme variations
• Equipment Cleaning: Sikkens solvents or compatible Guncleaner

This hardener is designed to ensure reliable primer applications from the Autosurfacer Optima Non Sanding range, providing a homogeneous flow, rapid coverage, and high efficiency for professional workshops.

Photo non contractuelle

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