Description
- Sikaflex-252 is a stiff, pasty 1-component polyurethane adhesive which cures with atmospheric moisture to form an elastomer.
- Sikaflex-252 is made by the quality assurance system ISO 9001/14001 and the Responsible Care program.
Technical characteristics
- Chemical Type: 1-component polyurethane
- Color: black, white
- Cure mechanism: moisture curing
- Density before curing (DIN EN ISO 1183-1): about 1.2 kg
- Resistance: good
- Working temperature: 10 – 35°C
- Skin time: 40 minutes
- Volume change (DIN 52451): approx -6%
- Shore A hardness (ISO 868 / DIN 53505): approx 50
- Tensile strength (ISO 527 / DIN 53504): approx 3 N / mm2
- Elongation at break (ISO 527 / DIN 53504): 400%
- Tear resistance (ISO 34 / DIN 53515): approx 7 N / mm
- Tensile shear strength (ISO 4587 / DIN EN 1465): about 2.5 N / mm2
- Glass transition temperature (ISO 4663 / DIN 53445): ca. -40°C
- Volume resistivity (ASTM D 257-99 / DIN IEC 60093): approximately 5 x 109 Ω cm
- Shelf life (stored below 25 ° C in an unopened container): 12 months
- Content: 300ml cartridge
Product advantages
- 1 part
- Elastic
- Can be painted
- Tolerance compensation
- High dynamic load
- Vibration-retardant
- Non-corrosive
- High electrical resistance
- Wide range of adhesion
- Silicone free
Scope
- Sikaflex-252 is suitable for dynamic loading, structural bonding.
- Suitable substrates include wood, metals, particularly aluminum and anodized steel and phosphate, chromate, zinc primers and paint coatings (2-C systems), ceramic materials, plastics.
- For transparent and vulnerable to stress cracking plastic object-related consultation is necessary.
- This product is suitable only for experienced users. In order to ensure adhesion and material compatibility, preliminary tests must be carried out with the original materials under the respective conditions.

Hazard Statements (CLP)

Signal word: Danger.
Hazard Statements (H-Sentences)
- H315: Causes skin irritation.
- H317: May cause an allergic skin reaction.
- H319: Causes serious eye irritation.
- 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.
- P264: Wash skin thoroughly after handling.
- P273: Avoid release to the environment.
- P280: Wear protective gloves/eye protection/face protection.
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






François A. –
Good build quality and reliable. Delivers what it promises. Very easy to set up.
Ava –
Super fast delivery, thank you. Great product, worth every cent. No unpleasant smell, which I really appreciate. Feels nice to use at home.
stefano_it –
Everything perfect, thank you. Top product, would definitely recommend. Excellent material. Solid build quality.
Amandine Q. –
Easy to use, without making a mess. I’ve been using it for 2 weeks and already see results! Very effective; noticed a change after just one week. Really noticed a difference after using it!
Margaux –
Pleasant to use at home.
rosa_s –
Surprisingly good quality for the price. Very effective, I noticed a change in just a week. Solved my problem completely!
bianca88 –
Pleasant to use at home. Feels nice to use at home. Surprisingly good quality for the price.
Noémie –
No unpleasant smell, which I really appreciate. Easy to use, without making a mess. Looks even nicer in real life. Surprisingly good quality for the price.
amelia99 –
I’ve been using it for 2 weeks and already see results! Excellent product, worth every cent. Solved my problem completely! A friend recommended it to me and I’m thrilled with the purchase.
evelyn_sky –
Not too big, not too small, just right. Looks even nicer in real life. Surprisingly good quality for the price.