Wacker Elastosil Vario 15 Normal – Translucent Platinum Silicone for Molds & Prototyping
Wacker Elastosil Vario 15 Normal – Translucent Platinum Silicone for Molds & Prototyping
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Premium Translucent Silicone for Professional Molds
Wacker Elastosil Vario 15 Normal is a two-component, platinum-cure (addition-crosslinking) casting silicone with translucent, colorless properties and a Shore A 15 softness rating. This high-performance silicone combines very low viscosity (5,000 mPa·s) with minimal shrinkage and excellent mechanical properties, specifically developed for dimensionally accurate copies and reproduction molds. The Normal version (Hardener VARIO) offers a processing time of 150 minutes, ideal for larger projects. Food-safe according to BfR and FDA guidelines.
Key Benefits
- Translucent and colorless: Molded objects remain visible for accurate positioning and precision cutting of reproduction molds
- Very low viscosity: 3,000 mPa·s after mixing for excellent flow around components and self-venting properties
- Flexible processing time: 150 minutes pot life with Hardener VARIO (Normal) or 2 minutes with Hardener VARIO F (Fast)
- Shore A 15 softness: Very flexible and soft for easy demolding and delicate details
- Excellent mechanical properties: 6.5 N/mm² tensile strength, 900% elongation, tear strength 15 N/mm (ASTM D 624 B)
- Shrink-free vulcanisation: No chemical shrinkage for dimensionally accurate reproduction
- Modular system: Can be mixed with Elastosil Vario 40 for any desired hardness between 15-40 Shore A
- Food safe & BfR/FDA compliant: Suitable for food contact and culinary applications
Typical Applications
- Prototype manufacturing and rapid prototyping for dimensionally accurate copies
- Reproduction molds for cast resin, concrete, plaster and all common reproduction materials
- Food-safe molds for chocolate, sugar, fondant, and culinary creations
- SFX and prosthetics: molds for masks, facial applications and special effects
- Podiatry and medical simulation for anatomical models and training phantoms
- Molds for polyurethane, epoxy, polyester and acrylic resins (Jesmonite, A1)
Technical Features
Elastosil Vario 15 Normal is supplied as a two-component system with a mixing ratio of 10:1 (base:hardener by weight). The Normal B component (Hardener VARIO) has a pot life of 150 minutes at 23°C and is demoldable after 6 hours at room temperature. For faster projects, Hardener VARIO F can be used (2-minute pot life, 15 minutes demoldable) or a mix of both hardeners for intermediate curing times. Hardness can be adjusted by mixing Vario 15 (Shore A 15) and Vario 40 (Shore A 40) base components—for example, a 50/50 mix gives approximately Shore A 27.5. Full vulcanization: 24 hours at 23°C. Curing can be accelerated by heating. Density: 1.06 g/cm³. Coloring can be done with 1-4% Elastosil Color Paste FL. Note: The total hardening component must always be 10% of the base component by weight.
Wacker Chemie is a global leader in silicone technologies for professional mold making, prototyping, and industrial applications, with over 100 years of expertise.
Important Warning: Inhibition with Addition-Cure Silicones
Note: This is an addition silicone (addition cross-linking/platinum cure). These silicones can be poisoned by sulfur, nitrogen, amino compounds, and metal salts. If you are unsure whether the products you use (including gloves, spatulas, and cups) contain these ingredients, perform a small test first. These substances are found in many latex gloves, some plastilines, paints and adhesives, condensation silicones, one-component silicone sealants, natural rubbers, and 3D printing materials (especially stereolithography). If you do want to use it, you will need to apply a protective layer of polyvinyl alcohol (PVA).
⚠️ What the compliance statements do and do not say
Wacker states compliance for this product for food contact: EC 1935/2004, BfR XV Silicones (volatiles max 0.5 %, extractables max 0.5 %) and FDA 21 CFR 175.300 and 177.2600. Wacker further declares that phthalates, bisphenols, PVC, PFAS, SCCP, heavy metals, latex and fragrances, among others, are not intentionally introduced, that the product is not of animal or human origin, is not derived from GMOs and does not undergo irradiation, and that the substances listed in the toy standards EN 71-3 and EN 71-9 and in CPSIA are not intentionally introduced.
This is not a statement about skin contact or biocompatibility. We do not use the term skin-friendly as a certification, because no such certification exists at raw material level. Wacker itself notes that regulatory sanctioning of the ingredients does not imply the finished product is considered safe, and that responsibility for the finished article and for migration, extraction and volatile testing rests with its manufacturer.
Note for body-contact applications: the WACKER SILICONES HEALTH CARE POLICY generally does not permit use in contact with the genital mucosa, generally excludes applications of more than 30 days, and assesses contraceptive and reproductive devices case by case. If you are working on such a product, contact us before ordering.
Professional Support
Our technical specialists advise on material selection, processing techniques, hardener selection, hardness adjustments, and optimal results for your specific reproduction molding application. Contact us for technical data sheets, processing guidelines, or advice on inhibition prevention with addition silicones.
Product Properties
- Hardness15Shore AHardness of the silicone material
- Shrinkage0.1%Linear shrinkage after curing
- ColorTranslucentColor of the finished product
- TransparencyTranslucentDegree of transparency
- Viscosity3000mPa·sViscosity of the uncured silicone
- Density1.06g/cm³Density of the cured material
- Mix ratio10:1Mixing ratio A : B
- Tensile strength6.5MPaMaximum tensile force before breaking
- Tear strength15.0kN/mResistance against tearing
- Elongation at break900%Maximum stretch before breaking
- Pot life150minutesWorking time after mixing
- Cure time360minutesTime until full cure
Component Properties
- Color ATranslucentColor of component A
- Color BTranslucentColor of component B
- Viscosity A5000mPa·sViscosity of component A
- Viscosity B100mPa·sViscosity of component B
- Density A1.06g/cm³Density of component A
Thermal Properties
- Max. temperature240°CMaximum service temperature
- Min. temperature-40°CMinimum service temperature
Certification & Safety
- Food-gradeYesSuitable for food contact
- FDA certifiedYesMeets FDA standards (21 CFR)
Application
- Use casePrototype moulds and reproduction mouldsIntended use
- Silicone type["Addition curing","RTV-2"]Type of silicone or polymer
- Cure speedNormalHow quickly the material can be demoulded
Safety Information
Always work with two-component silicones in a well-ventilated room and avoid contact with skin and eyes. Do not eat, drink or smoke while working and wash your hands afterwards. Wear protective gloves (for example nitrile) and safety glasses. Keep the components tightly closed, dry and out of the reach of children. Always consult the supplied safety data sheet (SDS) for full information on hazards, handling, storage and first aid.| Safety Pictograms | Safety Data Sheets (SDS) |
|---|---|
Required protection (ISO 7010)
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Manuals
Technical data sheets
- Product Information Silicones Addition Transparent 15 Normal d7cb9044 9e1c 41ac beb4 ad6fa24359bb Download data sheet (PDF)
- Brochure Vario 15 40 Download data sheet (PDF)
- ELASTOSIL VARIO 15 Download data sheet (PDF)
- PCS Product compliance sheet Vario 15 Download data sheet (PDF)
- VARIO 15 eng FDA Download data sheet (PDF)
Blogs
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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.