Description
Sikaflex® PRO-3 Purform® – High Performance Polyurethane Joint Sealant
Sikaflex® PRO-3 Purform® is a one-component, moisture-curing polyurethane sealant designed for floor joints and civil engineering applications.
Offering high elasticity, chemical resistance, and durability, it provides a long-lasting seal for movement joints in demanding environments, including trafficked and industrial areas.
Key Features & Benefits
- High movement capability – up to ±50% movement accommodation
- Excellent mechanical resistance – ideal for trafficked areas
- Chemical resistant – suitable for industrial environments
- Weather and UV resistant – long-term external performance
- Elastic and flexible – maintains performance across temperature ranges
- Durable anti-pick formulation – resistant to tampering and vandalism
- Low VOC (Purform® technology) – improved safety and compliance
- Bubble-free curing – smooth, professional finish
Applications
Sikaflex® PRO-3 Purform® is ideal for:
- Floor joint sealing in warehouses and production areas
- Car parks and trafficked surfaces
- Sewage treatment plants and tunnels
- Industrial and commercial flooring joints
- Clean rooms and food processing facilities
- Civil engineering and infrastructure joints
Technical Overview
- Type: 1-part polyurethane sealant
- Movement Capability: ±25% (EN), up to ±50% (ASTM)
- Shore A Hardness: ~40
- Elongation at Break: ~800%
- Service Temperature: -40°C to +80°C
- Skin Time: ~50 minutes
- Curing Rate: ~3.5 mm per 24 hours
- Density: ~1.3 kg/L
- Joint Width Range: 8 mm – 40 mm
Why Choose Sikaflex® PRO-3 Purform®?
This sealant delivers exceptional flexibility and durability, making it ideal for high movement and high traffic joints. Its chemical resistance and long service life ensure reliable performance in industrial and civil engineering environments.
Frequently Asked Questions (FAQs)
❓ What is Sikaflex PRO-3 Purform used for?
It is used for sealing floor joints and movement joints in industrial and civil engineering applications.
❓ Can it handle movement in joints?
Yes, it accommodates up to ±50% movement, making it suitable for dynamic joints.
❓ Is it suitable for external use?
Yes, it offers excellent weather and UV resistance for external applications.
❓ Can it be used in trafficked areas?
Yes, it has high mechanical resistance, making it suitable for trafficked surfaces like car parks and warehouses.
❓ Is it resistant to chemicals?
Yes, it provides good resistance to many industrial chemicals.
❓ Does it require mixing?
No, it is a one-component ready-to-use sealant.
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