Description
Assembly & glazing adhesive and sealant for rail applications with acceleration option Sikaflex® 268
Sikaflex®-268 is an adhesive system specifically designed for the rail industry. It is suitable for assembly bonding and glazing applications; its outstanding weathering resistivity and unique resistance to a wide variety of cleaning agents make it an ideal solution for use in exterior joints in the rail industry.
- Sikaflex®-268 is compatible with Sika’s black-primerless bonding process.
- Sikaflex®-268 can be accelerated with Sika’s Booster and PowerCure systems.
- Resistant to a wide variety of cleaning agents
- Passes EN45545 R1/R7 HL3
- Curing can be accelerated with Sika Booster and Sika PowerCure
- Volume: 300ml cartridge
- Color: black
Product Benefits
- Resistant to a wide variety of cleaning agents
- Passes EN45545 R1/R7 HL3
- Curing can be accelerated with Sika Booster and Sika PowerCure
- Excellent weathering stability
- Very good processing and tooling characteristics
- Solvent-free
Areas of Application
- Sikaflex®-268 is designed for assembly and direct-glazing applications in the rail industry and for the repair market. It exhibits excellent tooling and application properties. With its superior resistance to a wide range of cleaning agents combined with outstanding weathering resistance, it can be used for exterior joints. Seek manufacturer’s advice and perform tests on original substrates before using Sikaflex®-268 on materials prone to stress cracking. Sikaflex®-268 is suitable for experienced professional users only. Test with actual substrates and conditions have to be performed to ensure adhesion and material compatibility.
Technical specifications
| Chemical base | 1-component polyurethane |
| Colour (CQP001-1) | Black |
| Cure mechanism | Moisture-curing |
| Density (uncured) | 1.3 kg/l |
| Non-sag properties | Very good |
| Application temperature | 5 ─ 40 °C |
| Skin time (CQP019-1) | 60 minutes A |
| Curing speed (CQP049-1) | (see diagram) |
| Shore A hardness (CQP023-1 / ISO 7619-1) | 55 |
| Tensile strength (CQP036-1 / ISO 527) | 6 MPa |
| Elongation at break (CQP036-1 / ISO 527) | 500% |
| Tear propagation resistance (CQP045-1 / ISO 34) | 13 N/mm |
| Tensile lap-shear strength (CQP046-1 / ISO 4587) | 4.5 MPa |
| Service temperature (CQP509-1 / CQP513-1) | -50 ─ 90 °C |
| Shelf life (CQP016-1) | 12 months |
Hazard Statements (CLP)
Signal word: Danger.
Hazard Statements (H-Sentences)
- H317: May cause an allergic skin reaction.
- H334: May cause allergy, asthma-like symptoms or breathing difficulties if inhaled.
- H412: Harmful to aquatic life with long-lasting effects.
Precautionary Statements (P-Sentences)
Prevention:
- P261: Avoid breathing mist or vapour.
- P273: Avoid release to the environment.
- P280: Wear protective gloves.
- P284: Wear respiratory protection if ventilation is insufficient.
Response:
- P304 + P340: IF INHALED: Move person to fresh air and keep comfortable for breathing.
- P342 + P311: If experiencing respiratory symptoms: Call a POISON CENTER/doctor.
Sika Deutschland GmbH, Kornwestheimer Str. 103-107, 70439 Stuttgart, GERMANY, +49 711 8009-0, [email protected], www.sika.com
Elena –
Very satisfied, better than expected. Perfect for my needs, couldn’t be happier. The quality pleasantly surprised me.
Clément Z. –
Practical and functional. Everything’s great. Perfect for what I needed. Top product, top price.
victoria_rose –
Pleasant to use at home. The quality pleasantly surprised me. Very satisfied, better than I expected. Better than anything I’ve tried before.
Pierre –
Good customer service. Great service, thank you. Simple to install. Perfect match with the description.
matteo_s –
Fast and reliable. Very durable.
Isabelle L. –
I noticed a difference after a short time! Better than anything I’ve tried so far. Feels nice to use at home. Pleasant to use at home.
William –
Great customer support. Delivered earlier than expected. Very satisfied with the purchase. Very stable.
William –
Really good value for money. Delivery faster than expected.