Sikaflex®-423 PowerCure - Sealant
Verified by manufacturer over a year ago
An accelerated polyurethane sealant for floor joints and civil engineering applications.
Application
The product is used for the following horizontal and vertical interior and exterior joint sealing applications:
- Warehouse and production floor areas.
- Sewage treatment plants.
- Tunnels.
- Car park decks.
- Pedestrian and traffic areas.
- Sea walls.
Description
Sikaflex®-423 PowerCure is a one-part, accelerated, elastic polyurethane sealant. It seals many kinds of joint configurations in floors and civil engineering structures. The elasticity is maintained over a wide temperature range and high mechanical and chemical resistance provides good durability.
Features and benefits:
- High movement capability: ±25% (ISO 9047).
- Fast development of mechanical properties.
- Very good mechanical resistance.
- Very good resistance to specific chemicals.
- High resistance to weathering.
- Good durability.
- Non-staining to a wide range of substrates.
- Monomeric diisocyanate content <0.1%: no user safety training needed (REACH restriction 2023, Annex XVII entry 74).
- Bubble-free curing.
- Good adhesion to many construction materials.
General information
Color | Grey |
Finish | Smooth |
Material | Polyurethane |
Shape | Formless |
Length | 320 mm |
Width | 50 mm |
Height | 50 mm |
Uniclass | |
CAWS | E40/530 Sealant E40/530 Sealant |
Specification data - Polyurethane (PUR) construction joint sealants
Standard | To EN 15651-1 and EN 15651-4. |
Material | One-part polyurethane. |
Colour | Manufacturer guidanceConsult manufacturer and insert requirements. |
Density | To ISO 1183-1, ~1.30 kg/L. |
Tensile Modulus | To ISO 8339, ~0.65 N/mm² at 100% elongation (+23°C), ~1.00 N/mm² at 100% elongation (−20°C). Manufacturer guidanceSecant tensile modulus. |
Elongation at break | To ISO 37, ~800%. |
Accessories | None. Sika® PowerCure Dispenser. |
Sustainability data
Contains Red List materials | No |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 0 kg·CO₂e/kg Self declared |
Recyclability | 0 |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 0 % |