HYPERDESMO®-T is a transparent, aliphatic, one-component polyurethane liquid membrane designed for long-term waterproofing and protection. It forms a highly durable, elastic, UV-stable, and hydrophobic membrane ideal for decorative surfaces.
Applications:
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Waterproofing and sealing of ceramic tiles, natural stone, wood, terraces, balconies, and verandas
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Concrete sealing
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Binder for stone carpets and drainage systems
Key Features & Advantages:
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Crystal clear, non-yellowing aliphatic polyurethane
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UV resistant and weatherproof
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High elasticity maintained down to -40°C
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Heat resistant up to +80°C (short-term up to +200°C)
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Excellent tensile strength: >25 N/mm²
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Elongation at break: >300%
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Breathable (water vapor permeable): 0.8 g/m²·h
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Can be applied in thick, bubble-free layers
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No dilution required (xylene may be used if necessary)
Surface Preparation:
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Surfaces must be clean, dry, and free of grease, dust, and loose particles
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For non-porous substrates (e.g., tiles): use PRIMER-T (50–60 ml/m²)
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For porous substrates (e.g., marble, natural stone): use MICROPRIMER-PU (up to 200 ml/m²)
Application:
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Apply with roller or brush in 1–2 coats
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Next coat: 6–24 hours after previous layer
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After applying PRIMER-T: wait 15–20 minutes before coating
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After MICROPRIMER-PU: apply after 12 hours, not later than 48 hours
Technical Specifications:
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Viscosity (25°C): 1000–2000 cP (ASTM D4287)
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Density: 0.95–1.05 g/cm³ (ASTM D1475)
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Solid content: 77–82%
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Tack-free time: 6 hours (25°C, 55% RH)
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Water vapor transmission: 0.8 g/m²·h (ASTM E96)
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Shore D hardness: 40 (ASTM D2240)
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UV resistance: 3000 hours (ASTM G53)
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Service temperature: -40°C to +80°C (short-term up to +200°C)
Coverage: 0.2–1.0 kg/m²
Packaging: 0.2 L, 1 L, 4 L, 10 L, 20 L
Shelf Life: 9 months (in original sealed container at 5–25°C)
Manufacturer: Alchimica S.A., Greece
