Wacker ELASTOSIL® E10 RED – Heat-Resistant Silicone Adhesive for High Temperature & Industrial Sealing
Wacker ELASTOSIL® E10 RED – Heat-Resistant Silicone Adhesive for High Temperature & Industrial Sealing
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Premium Heat-Resistant Silicone Adhesive for Professional Applications
ELASTOSIL® E10 RED is a ready-to-use, acetoxy-curing RTV-1 silicone rubber from Wacker Chemie AG. This one-component system offers exceptional heat resistance up to 230 °C (peak 250 °C) and adheres primer-free to a wide range of substrates — ideal for demanding high-temperature and industrial sealing applications. Its red color makes the product immediately recognizable in professional environments.
Key Benefits
- High temperature resistance: Permanently elastic from -45 °C to +230 °C; short-term peak load up to 250 °C.
- Primerless adhesion: Adheres directly to metals, glass, ceramics, and most plastics without pre-treatment.
- High elongation: 300% elongation at break for durable sealing with thermal expansion and vibrations.
- Low viscosity: Liquid consistency (9,000 mPa·s) makes precise dosing and application easy.
- Solvent-free: No hazardous solvents; safe for use in industrial production environments.
- UV and ozone resistant: Excellent resistance to aging, moisture, UV, and ozone for long-term outdoor applications.
Typical Applications
- Heating elements: Sealing of tubular and flat heating elements in industrial equipment.
- Automotive: Sealing and bonding of engine components, exhaust systems, and high-temperature components.
- Industrial assembly: Joining and sealing of components exposed to extreme temperature fluctuations.
- Electronics & sensors: Protection of sensors and electronic modules in high-temperature environments.
- HVAC & installations: Sealing of pipes, penetrations, and connections in heating and ventilation systems.
- Prototyping & R&D: Flexible sealing for test setups with thermal loads.
Technical Characteristics
ELASTOSIL® E10 RED is a 1-component RTV silicone rubber (acetoxy-cure) with a Shore A hardness of 25 after curing. Viscosity: approx. 9,000 mPa·s (D=0.5 1/s); skin-forming time 10–15 minutes at 23 °C. Curing rate: approx. 12 hours per mm thickness at 23 °C and 50% relative humidity. Tensile strength: 2.5 N/mm²; elongation: 300%; cured density: 1.10 g/cm³. Note: acetoxy curing produces acetic acid during curing — not suitable for corrosion-sensitive metals or electronics without adequate ventilation.
Wacker Chemie AG is a globally leading manufacturer of silicones and polymer chemicals, with decades of expertise in high-performance silicone solutions for industry, automotive, and high-temperature applications. ELASTOSIL® E10 is a proven product line for professional bonding, sealing, and coating applications.
Professional Support
Are you unsure about the correct application, substrate compatibility, or processing conditions? Our technical team will be happy to advise you on the optimal use of ELASTOSIL® E10 RED for your specific project. Contact us for personalized technical advice.
Product Properties
- Hardness25Shore AHardness of the silicone material
- ColorRedColor of the finished product
- Viscosity9000mPa·sViscosity of the uncured silicone
- Density1.1g/cm³Density of the cured material
- Tensile strength2.5MPaMaximum tensile force before breaking
- Tear strength8.0kN/mResistance against tearing
- Elongation at break300%Maximum stretch before breaking
Thermal Properties
- Max. temperature230°CMaximum service temperature
- Min. temperature-45°CMinimum service temperature
Certification & Safety
- Ozone resistantYesResistant to ozone and atmospheric aging
- UV resistantYesResistant to UV radiation and discoloration
- Moisture resistantYesResistant to moisture and water absorption
Application
- Use caseSealing, bonding and coating in high-temperature applicationsIntended use
- Silicone type["RTV-1"]Type of silicone or polymer
- Cure conditionRoom temperature and atmospheric moistureCondition under which the material cures
Safety Information
The product is not classified as hazardous according to EU regulations, but contains <3% ethyltriacetoxysilane and <2% methyltriacetoxysilane, substances which form acetic acid upon contact with moisture. Therefore, avoid prolonged exposure to vapours and prevent contact with water, bases, and alcohols during storage and processing.| Safety Pictograms | Safety Data Sheets (SDS) |
|---|---|
GHS hazard pictograms
 
Required protection (ISO 7010)
     |
| Signal Word | H‑code | Hazard Statement | P‑codes | P‑statements |
|---|---|---|---|---|
| Warning | H302 | Harmful if swallowed | P264 P270 P301+P310 |
|
| Danger | H314 | Causes severe skin burns and eye damage | P260 P264 P280 P303+P361+P353 P305+P351+P338 P310 |
|
| Danger | H318 | Causes serious eye damage | P280 P305+P351+P338 P310 |
|
Frequently asked questions
What is the delivery time for my order?
Orders placed and paid on working days are in most cases shipped the same day. Weekend orders are processed on the next working day.
Indicative delivery times: Netherlands usually within 1 working day, Belgium and Germany typically 1–2 working days, other countries depending on destination and carrier. These are guidelines, not guarantees: peak periods, public holidays or carrier delays can have an effect.
What is the return policy?
You have 30 days to return after receipt. Email info@siliconesandmore.com within 30 days of delivery with your name and order number. The full conditions are in our return policy.
How can I track my order?
As soon as your order has shipped, you'll receive a track & trace code by email. It can take up to 24 hours before the code is active.
I have a problem with my order – how do I reach you?
Contact us via our contact page or email info@siliconesandmore.com. We're happy to help you quickly.
Can I order as a business?
Yes. Apply for a business account; we review your application within 3 working days. After that you order while logged in and pay on invoice, with payment terms of 14 days after delivery.
EU businesses outside the Netherlands with a valid VAT number order with VAT reverse-charged (0%, intra-community supply). The VAT number is stored in your business account; it cannot be added to an order after it has been placed.