Joint Sealing Systems
KingSeal PU2 SL®
Two component self-levelling polyurethane sealant.
Movement accommodation
± 25%
Tack free time
4 - 8 hr
Final cure
3 days
Pot life
2 - 4 hr
Packaging
Can
Overview
KingSeal PU2 SL is an elastomeric two-component polyurethane sealant which cures chemically forming a durable and flexible joint.
Applications
- For sealing joints in car parks and traffic decks
- Ideal for horizontal joints
- Concrete expansion and construction joints
- Joints under submerged conditions
- Sewage treatment plants
Advantages
- Excellent adhesion to most substrates
- Good chemical resistance
- Wide service temperature range
- No priming required on most substrates
- Can be over painted
- Easy to apply and self-leveling sealant reducing waste
- STANDARDS KingSeal PU2 SL complies with ASTM C920 Type M, Grade P, Class 25, Use T,M,I and Federal Specifications TT-S- 00227E, Type 1, Class A
Technical Properties
| Property | Value | Standard |
|---|---|---|
| Colour | Variety | — |
| Shore A hardness | 40 ± 5 | — |
| Movement accommodation | ± 25% | — |
| UV resistance | Good | — |
| Application temperature | 5 to 35oC | — |
| Service temperature | −40 to 75oC | — |
| Tack free time | 4 - 8 hr | — |
| Final cure | 3 days | — |
| Pot life | 2 - 4 hr | — |
| Elongation at break | 800% | — |
| Tensile strength | 1.2 MPa | — |
| Modulus @ 100% extension | 0.5 MPa | — |
| Chemical resistance | Diluted acids and alkalis | — |
Usage & Packaging
Packaging
KingSeal PU2 SL can be supplied in different package sizes. Non-traffic joints - 6 mm minimum. Traffic joints - 13 mm minimum. It is recommended to use 2:1 width to depth ratio.
Storage
Shelf life is 1 year when stored under cover, out of direct sunlight and protected from extremes of temperature
Pack formats
Can
Product family
Part of the KingSeal range