Description
ELASTOSIL® E41 TRANSPARENT is a flowable, one-component silicone rubber with excellent mechanical properties, which cures at room temperature under the influence of atmospheric moisture (RTV-1).
- Pack Size: 310 ml cartridge
- Also available in: 90 ml tube
Applications
- Multipurpose sealant and adhesive for general industry and electronics for FIPG applications
- Particularly suitable as adhesive on cured rubber or silicone coated textiles like seam sealing
Features
- Excellent adhesion on cured silicone rubber
- Self-levelling
- Solvent containing
- High-tear grade
- Recommended service temperature from -45 °C to 180 °C
- Max. recommended short term peak temperature exposure 200°C
Technical specifications
Properties not vulcanized
| Color | transparent |
| Density, 23 °C | 1,08 g/cm³ |
| Dynamic viscosity D = 1 1/s, 25 °C | 100000 mPa·s |
| Dynamic viscosity D = 25 1/s, 25 °C | 80000 mPa·s |
| Skin formation time | 10 – 20 min |
| Curing time, 23 °C | 50 % r.h | 12 h/mm |
Properties vulcanized
Curing Conditions: 14 days at 23 °C and 50 % rel. humidity, 2 mm sheet, no post-curing
| Color | transparent |
| Density in water, 23 °C | 1,12 g/cm³ |
| Shore A | 40 |
| Tear strength, Type 3 / 23°C / 2mm | 6,0 N/mm² |
| Elongation at break, Type 3 / 23°C / 2mm | 350 % |
Fields of application
- Appliances Industry, e.g. microwave ovens
- Industrial Assembly, e.g. Automotive, Aerospace, Railway
- Ready-to-Use Silicone Sealants – General Applications
-
Special Purpose Sealants Wacker ELASTOSIL® E-41 TRANSPARENT, ELASTOSIL E41, E/41
Hazard Warnings (CLP)

Signal word: Danger
Hazard Statements (H-phrases)
- H225: Highly flammable liquid and vapor.
- H315: Causes skin irritation.
- H319: Causes serious eye irritation.
- H361d: Suspected of damaging the unborn child.
- H373: May cause damage to organs through prolonged or repeated exposure.
- H412: Harmful to aquatic life with long-lasting effects.
Safety Statements (P-phrases)
Prevention:
- P201: Obtain special instructions before use.
- P210: Keep away from heat, hot surfaces, sparks, open flames, and other ignition sources. No smoking.
- P233: Keep container tightly closed.
- P243: Take precautionary measures against static discharge.
- P260: Do not breathe vapor/aerosol.
- P273: Avoid release to the environment.
- P280: Wear protective gloves/protective clothing/eye protection.
Response:
- P302+P352: If on skin: Wash with plenty of water and soap.
- P305+P351+P338: If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P313: Get medical advice/attention.
Storage:
- P405: Store locked up.
Other Hazards
- No other hazards are known.
- Endocrine-disrupting properties – human health: No relevant components according to REACH regulation.
- Endocrine-disrupting properties – environment: No relevant components according to REACH regulation.
Wacker Chemie AG, Gisela-Stein-Strasse 1, 81671 München, GERMANY, +49 89 6279-0, [email protected], www.wacker.com






Audrey Y. –
Feels nice to use at home. I was skeptical, but now I’ll order it regularly.
Christopher N. –
Good fit and quality. Very happy with the purchase, works great. Everything’s great. Everything was smooth and fast.
Paola M. –
Great product, worth every cent. Better than anything else I’ve tried before. No unpleasant smell, which I really appreciate.
Jacob –
Better than I thought; I’m satisfied.
amelie.s –
Been using it for 2 weeks and already see results! Very effective, I noticed a change in just a week. No unpleasant smell; I really like that. I was skeptical, but now I’ll order regularly.
lucie88 –
Very effective; I noticed a change in just one week. Pleasant to use at home. Packaging was slightly damaged, but the product is excellent.
Christopher –
As expected, top-notch. Exactly what I needed. No complaints so far.
Max –
Received quickly.