646 Permanent Protect 5M
646 Permanent Protect is a high-performance ceramic coating designed for long-term sealing of smooth surfaces such as metal, glass, plastic, or painted materials. It forms an ultra-thin, transparent protective layer that effectively shields the substrate from dirt, chemicals, UV radiation, and mechanical stress.
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Key Features
Property | Value |
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Base | Organometallic polymer inbutyl propionate |
Active content | ≥ 60% |
VOC content | Approx. 40% (400 g/l) |
Flash point | Approx. 37 °C (open cup) |
Layer thickness | 0.5-2 µm (recommended),max. 25 µm |
Density | Approx. 900-930 kg/m³ |
pH value | Not applicable (product is water-insoluble) |
Odor | Slightly solvent-like |
Colour | Colourless to slightly yellowish |
Consumption | Approx. 5-10 ml/m² (up to 200 m² per litre) |
Temperature resistance | Up to 600 °C (film integrity), 300 °C without discoloration |
Shelf life (liquid) | 12 months (unopened,stored appropriately) |
Storage | 5 °C to +25 °C |
Durability of coating | 2-5 years outdoors, significantly longer indoors |
Weathering test
Salt spray test NSS | Condensation atmosphere, constant humidity |
Artificial weathering with Xenon-arc |
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DIN | EN ISO 9227 | EN ISO 6270-2 | EN ISO 16474-2 |
Salt spray test stainless steel2.5 μm, bar coated |
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Duration | 1500 hrs | 1400 hrs | 1400 hrs |
Results | Blistering: no Rusting: no Corrosion in scribe < 0.5 mm |
Blistering: no Rusting: no |
Loss of gloss: 5% Cracking: no Colour difference ΔE* = 0.40 |
Salt spray test aluminium2.5 μm, bar coated |
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Duration | 1500 hrs | 1400 hrs | 1400 hrs |
Results | Blistering: no Rusting: no Corrosion in scribe < 0.5 mm |
Blistering: no Rusting: no |
Loss of gloss: 5% Cracking: no Colour difference ΔE* = 0.17 |
Sandblasted steel2.5 μm, bar coated |
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Duration | 1000 hrs | 1000 hrs | 1400 hrs |
Results | Blistering: no Rusting: no Corrosion in scribe < 0.5 mm |
Blistering: no Rusting: no |
Loss of gloss: 12% Cracking: no Colour difference ΔE* = 0.51 |