600021 - Thinner Reducer Optima reducer non sanding slow SIKKENS 1L

The Reducer Non Sanding Slow is a slow-evaporating thinner, specifically developed for use with the Autosurfacer Optima Non Sanding Primer from Sikkens. It offers excellent stability in hot environments and allows for uniform application on large surfaces, without the need for sanding.

Technical Specifications

• Product Name: Autosurfacer Optima Reducer Non Sanding Slow
• Type: Thinner for non-sanding primer system
• Compatibility: Exclusively with Autosurfacer Optima Non Sanding + Hardener Non Sanding
• Mixing Ratio: 3 (Optima) : 1 (Hardener) : 2 (Reducer)
• Pot-life: ~60 min at 30°C
• Recoatable: Between 15 min and 24 h at 20°C, without sanding
• Application: 1 full coat by spraying
• Nozzle / Pressure: 1.2–1.4 mm · 1.7–2.0 bar · HVLP 0.6–0.7 bar (8–10 psi)
• Shelf Life: 12 months at 20°C (unopened packaging)

Product Benefits

• Extended working time for better application in high temperatures
• Extended recoating window: up to 24 h without sanding
• Uniform flow before applying base or clears
• Reliability and reproducibility of the process with Optima Non Sanding

Recommended Applications

• Use on complete elements or panels in hot climates (28–35°C)
• Cases requiring longer flow or a uniform surface without sanding
• Exclusively in combination with Autosurfacer Optima Non Sanding

Usage Tips

• Mixing: adhere to the 3:1:2 ratio (Optima : Hardener : Reducer)
• Order of Incorporation: add the hardener first, mix, then the thinner
• Surface Preparation: scuff sanding P500 to P600 depending on the shade
• Safety: for professional use only with PPE: gloves, goggles, mask

Safety & Storage

• Personal Protective Equipment (PPE): wearing gloves, goggles, air-fed mask recommended
• Storage: keep at stable temperature (~20°C), in a dry and ventilated place
• Cleaning: use appropriate Sikkens solvents or Guncleaner cleaners

About

The Reducer Non Sanding Slow is designed to ensure a perfect finish with the Autosurfacer Optima Non Sanding. It offers maximum working flexibility, even in the most demanding conditions, while maintaining the performance and finish quality expected from a Sikkens system.

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