Wacker ELASTOSIL® A07 Translucent – RTV-1 Silicone Coating for Sealing & Protective Coating
Wacker ELASTOSIL® A07 Translucent – RTV-1 Silicone Coating for Sealing & Protective Coating
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Premium RTV-1 Silicone Coating for Professional Sealing and Protective Applications
Wacker ELASTOSIL® A07 Translucent is a ready-to-use, 1-component moisture-curing solvent-based silicone coating (RTV-1), specially developed for multifunctional sealing, coating and protection of electronics and technical components. This professional product combines excellent primerless adhesion to many substrates, low modulus, and flexibility from -40°C to +180°C, ideal for HVAC, electronics, and small household appliances. No organotin catalysts. Apply by dipping, spraying, brushing or coating.
Key Benefits
- Ready-to-use 1-component system: No mixing required – directly applicable from the cartridge for fast, efficient processing
- Excellent primerless adhesion: Adheres directly to many substrates including metal, glass, ceramics, and most plastics
- Wide temperature resistance: Flexible and stable from -40°C to +180°C for demanding thermal environments
- Low modulus – high flexibility: Shore A 20 hardness with 300% elongation for durable, vibration-resistant bonds
- No organotin catalysts: More environmentally friendly formulation in accordance with modern safety standards
- Adjustable layer thickness: Thinnable with toluene/white spirit for thinner coatings, multi-step coating for thicker layers
Typical Applications
- Electronics coating and conformal coating for circuit boards and electronic components
- HVAC systems: sealing of heating, ventilation, and air conditioning components
- Small household appliances: sealing and protection of moving parts
- Protective coating for metal, glass, and ceramics in industrial environments
- Sealing of joints and seams in technical constructions
- Flexible coating for components subject to vibrations and thermal cycles
Processing Instructions:
- Apply by dipping, spraying, brushing, or coating
- For thinner coatings: dilute with toluene or white spirit
- For thicker coatings: apply multi-step coating
- Curing can be accelerated at CO₂ concentration >1% by volume
- Remove uncured product with organic solvents (aliphatic or aromatic hydrocarbons)
- Once cured: only mechanical removal is possible (possibly pre-swell with solvent or Wacker Silicone Remover S8)
Packaging: Cartridge 88 grams (90 ml). Store in a tightly closed package. See product label for shelf life.
Wacker Chemie is a global leader in silicone technologies for industrial, electronic and construction applications with over 100 years of expertise.
Professional Support
Our technical specialists advise on application techniques, layer thicknesses, solvent selection and optimal results for your specific sealing or coating application. Contact us for technical data sheets or the safety data sheet.
Product Properties
- Hardness20Shore AHardness of the silicone material
- ColorTransparentColor of the finished product
- TransparencyTransparentDegree of transparency
- Density1.02g/cm³Density of the cured material
- Tensile strength1.5MPaMaximum tensile force before breaking
- Tear strength4.0kN/mResistance against tearing
- Elongation at break300%Maximum stretch before breaking
- Pot life5minutesWorking time after mixing
- Cure time20160minutesTime until full cure
Component Properties
- Color ATranslucentColor of component A
- Viscosity A8000mPa·sViscosity of component A
- Density A0.98g/cm³Density of component A
Thermal Properties
- Max. temperature180°CMaximum service temperature
- Min. temperature-40°CMinimum service temperature
Application
- Use caseHVAC, electronics, and small home appliances.Intended use
- Silicone type["RTV-1"]Type of silicone or polymer
- Cure speedSlowHow quickly the material can be demoulded
- Cure conditionRoom temperature and atmospheric moistureCondition under which the material cures
Safety Information
Signal word: Danger. Contains approx. 25% solvent (toluene) - use only in a well-ventilated area with appropriate personal protective equipment.| Safety Pictograms | Safety Data Sheets (SDS) |
|---|---|
GHS hazard pictograms
   
Required protection (ISO 7010)
     |
| Signal Word | H‑code | Hazard Statement | P‑codes | P‑statements |
|---|---|---|---|---|
| Danger | H225 | Highly flammable liquid and vapour | P210 P233 P240 P241 P280 P303+P361+P353 P370+P378 |
|
| Warning | H315 | Causes skin irritation | P264 P280 P302+P352 P333+P313 |
|
| Danger | H318 | Causes serious eye damage | P280 P305+P351+P338 P310 |
|
| Warning | H336 | May cause drowsiness or dizziness | P261 P271 P312 |
|
| Warning | H361d | Suspected of damaging the unborn child | P201 P202 P280 P308+P313 P405 P501 |
|
| Warning | H373 | May cause damage to organs through prolonged or repeated exposure | P260 P501 |
|
| Warning | H412 | Harmful to aquatic life with long lasting effects | P273 P501 |
|
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.