Wacker ELASTOSIL® E43 Transparent – Silicone Adhesive & Sealant for Electronics & Industry

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Wacker ELASTOSIL® E43 Transparent – Silicone Adhesive & Sealant for Electronics & Industry

✔ One component acid-based curing system.
✔ Self-leveling.
✔ Excellent adhesion on various surfaces
✔ Colorless transparent or Black
✔ Good mechanical properties
✔ Heat resistant
✔ Resistant to weather influences and aging
✔ Permeable to gas and water vapor Read more

€39,95 Incl. BTW
SKU: A10162
  • return 30-day return period
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    ✔ One component acid-based curing system.
    ✔ Self-leveling.
    ✔ Excellent adhesion on various surfaces
    ✔ Colorless transparent or Black
    ✔ Good mechanical properties
    ✔ Heat resistant
    ✔ Resistant to weather influences and aging
    ✔ Permeable to gas and water vapor

    Size chart

    Premium RTV-1 Silicone Adhesive for Professional Sealing and Bonding

    Wacker ELASTOSIL® E43 Transparent is a high-quality 1-component, acid-curing (acetoxy-cure) solvent-free silicone adhesive and sealant, specifically developed for durable bonding, sealing, and coating of silicones and technical substrates. This professional product combines excellent adhesion to various substrates, UV resistance, heat resistance, and long-term elasticity with a self-leveling character for easy application. Transparent color for invisible connections. Available in tube (90 ml) and cartridge (310 ml).

    Key Benefits

    • Solvent-free: Safer to use than E41 – no solvent vapors, suitable for enclosed spaces with good ventilation
    • Self-leveling: Automatically flows smoothly for an even, professional finish without post-processing
    • Excellent adhesion: Bonds to silicones, glass, metal, ceramics, and most plastics without a primer
    • UV and weather resistant: Maintains elasticity and transparency during prolonged exposure to UV light and weather conditions
    • Heat resistant: Stable at elevated temperatures for demanding industrial applications
    • Fast skinning time: Skinning time 15 minutes at 23°C / 50% r.h. – full strength after 24 hours

    Typical Applications

    • Electronics and potting: sealing and bonding of components, sensors, and housings
    • Automotive: sealing of connections and seams in engine compartments and car bodies
    • Industry and engineering: bonding of silicone parts, O-rings, and technical seals
    • Textile and workshop: coating and repair of silicone products
    • Laboratory and DIY: universal silicone adhesive for repair and assembly
    • Battery potting for e-bikes, drones, and electric vehicles

    Processing Instructions:

    1. Sand the substrate, remove dust and contaminants
    2. Degrease with thinner or alcohol and allow to evaporate completely
    3. Apply E43 and spread evenly – the product self-levels
    4. Wait 15 minutes for skin formation; full strength after 24 hours
    5. Always perform a small test on the specific substrate first

    Please note – addition-cure silicones: When used in combination with platinum-cure (addition) silicones: use the E43 N variant to prevent inhibition of the addition-cure silicones.

    Wacker Chemie is a global leader in silicone technologies for industrial sealing, electronics, and technical bonding with over 100 years of expertise in RTV silicones.

    Professional Support

    Our technical specialists advise on substrate preparation, adhesion properties, alternative variants (E43 N, E41), and optimal results for your specific sealing or bonding application. Contact us for technical datasheets or the safety data sheet.

    Our story

    Our story began with our father, the founder of Nedform BV. We— Roel, Rutger, and Rob Collaris —are his sons and wanted to bring his passion and knowledge to the online world. That's how SAM (Silicones and More) was born—a creative space for everyone.

    Whether you're a beginner, an expert, or an enthusiastic DIYer looking for the right tools, materials, and some guidance, you've come to the right place. We've worked with silicones, resins, and casting materials ourselves for years. That's why we not only deliver quality but also genuine support—based on experience.

    • Small team with a great love for creating
    • Honest advice and reliable materials!
    • We help makers bring their ideas to life.

    More about us

    FAQs

    What is the delivery time of my order?

    Orders placed and paid for on business days will be shipped on the same day in most cases. Orders received on weekends will be processed on the next business day.

    We always do our best to ship orders as quickly as possible, but actual shipping times may vary due to high volume, stock availability, or carrier circumstances.

    Delivery time depends on the destination country and the carrier. Below is a general indication:

    • Netherlands: usually within 1 business day
    • Belgium & Germany: typically within 1–2 business days
    • Other countries: depends on the destination and the local carrier

    Please note: these are guidelines, not guarantees. The final delivery time may differ due to factors beyond our control, such as sorting center delays, public holidays, or exceptionally high volume.

    What is the return policy?

    We offer a 30-day return policy as an added service. If you'd like to return an item or if there's something wrong with your order, please email us at info@siliconesandmore.com with your name and order number within 30 days of delivery. We'll help you quickly. The full terms and conditions can be found on our returns page.

    How can I track my order?

    Once your order has been processed and shipped, you'll receive a track and trace code by email, allowing you to easily track your package. Please note that it can sometimes take up to 24 hours after processing for the track and trace to be active.

    I have a problem with my order, how can I reach you?

    If you have any questions or run into any problems, please feel free to contact us via our contact page or email us at info@siliconesandmore.com . We'll be happy to help you quickly.

    If you want an immediate answer, ask our chatbot. They have extensive knowledge of all our products and can often help you right away!

    Can I also order for business purposes?

    Yes, business orders are possible . Customers within the EU outside the Netherlands can order VAT-free with a valid EU VAT number (0 percent intra-Community supply).

    Enter your VAT number on the shopping cart page , not at checkout.

    Go to the shopping cart via the link below and enter your VAT number and email address, after which the VAT will be automatically removed.

    https://siliconesandmore.com/cart

    Please note that if you only enter your VAT number at checkout, it will not be processed correctly and VAT may still be charged.

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