Sikaflex®-423 PowerCure - Sealant
Verified by manufacturer 22 days 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 |
SKU Code | 713122 |
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 |
Country of material origin | Germany |
Country of product manufacture | Germany |
Material | Polyurethane |
Embodied carbonA1-A3 (production stage) as defined in BS EN 15804 | 4.79 kg CO₂ eq/kg |
Recyclability | 0 |
Recycled contentAs defined in clause 7.8 of BS EN ISO 14021 | 0 % |