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Technical Data Sheet
Product Description
HQN PU Primer is a single-component,
moisture-curing polyurethane-based primer designed to enhance adhesion on
both porous and non-porous substrates. It penetrates and seals surfaces,
providing a strong bonding base for subsequent polyurethane or epoxy coatings.
Recommended Uses
- Concrete and cementitious
substrates
- PU flooring and coating systems
- Waterproofing systems
- Metal, wood, and ceramic
surfaces
- Suitable for absorbent and
non-absorbent surfaces
Features & Benefits
- Excellent adhesion and
penetration
- Fast curing
- Moisture tolerant application
- Flexible and crack-bridging
properties
- Chemical & oil resistance
- Improves durability of coating
systems
- Easy application (roller /
brush / spray)
Technical Properties
| Property | Value |
| Base | Polyurethane |
| Type | Single Component |
| Appearance | Clear / Light Amber Liquid |
| Density | ~1.0 – 1.1 g/cm³ |
| Solid Content | ~50–70% |
| Drying Time | 1–2 hours (touch dry) |
| Recoat Time | 2–6 hours |
| Full Cure | 24 hours |
| Application Temperature | 10°C – 50°C |
| Coverage | 0.15 – 0.30 kg/m² |
(Values are
typical and may vary based on site conditions)
Application Instructions
Surface Preparation
- Surface must be clean, dry, and
free from dust, oil, grease, and loose particles
- Remove laitance and weak layers
- Moist but not waterlogged
substrates are acceptable
Application Method
- Apply using roller, brush, or
airless spray
- Apply 1 coat (2 coats
for highly porous surfaces)
- Ensure uniform coverage without
puddles
- Surface must be clean, dry, and
free from dust, oil, grease, and loose particles
Mixing
- Ready to use
- No dilution recommended
Consumption
- Approx. 0.15 – 0.30 kg/m²
per coat depending on substrate porosity
Packaging
- 50 Kg
- 200 Kg
Storage & Shelf Life
- Store in cool, dry conditions
- Keep away from direct sunlight
- Shelf life: 12 months in
unopened container
Health & Safety
- Use appropriate PPE (gloves,
mask, goggles)
- Avoid skin and eye contact
- Ensure proper ventilation
during application
DISCLAIMER
The information provided in this
datasheet is based on current technical knowledge and field experience under
standard conditions. Performance may vary depending on substrate condition,
application practices, and environmental factors. Users are advised to conduct
trials prior to application. The manufacturer reserves the right to modify
product specifications without prior notice.
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