PlatSil Gel-25 – Platinum-Cure Silicone Gel for Mold Making & Prototyping

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PlatSil Gel-25 – Platinum-Cure Silicone Gel for Mold Making & Prototyping

PlatSil Gel-25 is a 1A:1B platinum-cured silicone with a Shore hardness of A25. It has a 5-minute working time and a 60-minute demold time. Suitable for mold making, prosthetics, and lifecasting. Independently certified skin-safe. Read more

€55,23 Incl. BTW
SKU: S82191
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    PlatSil Gel-25 is a 1A:1B platinum-cured silicone with a Shore hardness of A25. It has a 5-minute working time and a 60-minute demold time. Suitable for mold making, prosthetics, and lifecasting. Independently certified skin-safe.

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    Premium Platinum-Cure Silicone Gel for Professional Applications

    PlatSil Gel-25 is a firm, platinum-cured silicone gel from Polytek Development Corp. with a Shore A25 hardness — the most dimensionally stable variant within the PlatSil Gel line. With a low viscosity of 3,500 cP and a simple 1A:1B mixing ratio (by weight or volume), this system is ideally suited for detailed molds, prototyping, and industrial casting applications.

    Key Benefits

    • Skin-Safe Certified: Independently certified according to FHSA, ASTM D4236, and FDA requirements — safe for direct skin contact.
    • High Dimensional Stability: Shore A25 hardness for molds requiring dimensional accuracy with repeated use.
    • Low Viscosity: 3,500 cP for excellent detail reproduction and easy pouring without vacuum equipment.
    • High Mechanical Strength: 434 psi tensile strength and 146 pli tear strength (Die B) for long-term use in production environments.
    • Adjustable Hardness: Part H Hardener increases Shore hardness up to A40 for even firmer applications.
    • Broad Accessory Ecosystem: Compatible with PlatThix (thickener), SiliColors (pigments), Part X Accelerator, and Part R Retarder.

    Typical Applications

    • Mold making of industrial models with high detail accuracy
    • Prototyping of rigid flexible parts in product design and engineering
    • Casting of polyurethane, epoxy, and polyester resin in production series
    • SFX and theatrical prosthetics where firmness and sharp edges are required
    • Educational and artistic sculpture molds for repeated use
    • Automotive and industrial applications where dimensional stability is essential

    Technical Characteristics

    PlatSil Gel-25 is mixed at a 1A:1B ratio by weight or volume, with a pour time of 5 minutes and a demold time of 60 minutes at 73°F. Shore hardness: A25. Viscosity: 3,500 cP. Elongation: 385%. Tensile strength: 434 psi. Cured color: milky white. Specific gravity: 1.1. Store at 15–32°C in unopened original packaging; shelf life up to 6 months after opening.

    Polytek Development Corp. is an American specialist in polyurethane and silicone systems for professional mold making, life casting, and industrial applications, with over 40 years of experience in the sector.

    Professional Support

    Do you have technical questions about the correct formulation, additives, or processing conditions for your specific application? Our team is ready with product-specific advice based on your project. Contact us for personalized guidance.

    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.

    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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