PEKAY POLYURETHANE A663 is a high-performance, single-component polyurethane adhesive formulated for strong, flexible, and waterproof bonding across various construction and industrial applications. It provides excellent adhesion to porous and non-porous materials, including concrete, wood, metal, and rubber.
Available Pack Sizes
• 6.00 kg
• 36.00 kg
In Stock
| Property | Specification |
|---|---|
| Base | Moisture-Curing Polyurethane |
| Appearance | Brown / Amber Liquid |
| Density | Approx. 1.2 g/cm³ |
| Viscosity | Medium – High |
| Open Time | 30–40 minutes (depending on humidity) |
| Full Cure Time | 24 hours @ 25°C |
| Coverage | 2–3 m²/kg (depending on surface & thickness) |
| Shore A Hardness | 60 ± 5 |
| Elongation at Break | 400–500% |
| Temperature Resistance | -40°C to +90°C |
| Shelf Life | 12 months (sealed, unopened container) |
| Storage Conditions | Store in cool, dry conditions below 25°C |
It bonds perfectly with concrete, wood, metal, rubber, and masonry substrates.
Yes, once cured, it provides a strong waterproof bond resistant to moisture and chemicals.
Initial set in 2–3 hours, full cure within 24 hours at 25°C.
Absolutely — it is UV and weather-resistant.
Approximately 12–18 m², depending on surface and film thickness.
Yes, it remains elastic and accommodates substrate movement.
No, it’s a ready-to-use single-component adhesive.
Yes, once fully cured, it can be painted using most coatings.
Keep sealed in a cool, dry area below 25°C and away from moisture.
Yes, when used with adequate ventilation and proper PPE.
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