--- product_id: 103408669 title: "Silicone Putty RTV Mould Making Rubber, Fast Curing, Reusable Mould, Clay and Figurine Moulds, 500g" brand: "polycraft ( mb fibreglass )" price: "R1921" currency: ZAR in_stock: true category: "Polycraft ( Mb Fibreglass )" url: https://www.desertcart.co.za/products/103408669-silicone-putty-rtv-mould-making-rubber-fast-curing-reusable-mould store_origin: ZA region: South Africa --- # Perfect for detailed moulds Reusable & semi-flexible Fast 6-8 min cure Silicone Putty RTV Mould Making Rubber, Fast Curing, Reusable Mould, Clay and Figurine Moulds, 500g **Brand:** polycraft ( mb fibreglass ) **Price:** R1921 **Availability:** ✅ In Stock ## Summary > 🎭 Mold your creativity fast, flawless, and forever! ## Quick Answers - **What is this?** Silicone Putty RTV Mould Making Rubber, Fast Curing, Reusable Mould, Clay and Figurine Moulds, 500g by polycraft ( mb fibreglass ) - **How much does it cost?** R1921 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/products/103408669-silicone-putty-rtv-mould-making-rubber-fast-curing-reusable-mould) ## Best For - polycraft ( mb fibreglass ) enthusiasts ## Why This Product - Trusted polycraft ( mb fibreglass ) brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Rapid Room-Temp Curing:** Get professional moulds in under 10 minutes—no heat needed. - • **Beginner-Friendly Mixing:** Simple 1:1 ratio mix makes expert-quality moulds accessible to all skill levels. - • **Precision Detail Capture:** Exceptional dimensional stability ensures every fine detail is perfectly replicated. - • **Effortless Self-Releasing:** Skip the release agents—easy demoulding saves time and hassle. - • **Durable & Reusable Flexibility:** Create strong, semi-flexible moulds that last through multiple projects. ## Overview Polycraft Silicone Putty is a 500g fast-curing RTV silicone rubber that sets at room temperature in 6-8 minutes. It produces strong, semi-flexible, reusable moulds with excellent dimensional stability and self-releasing properties, ideal for detailed impression moulding of plaster, polymer clay, and figurines. Its easy 1:1 mixing ratio and odourless formula make it perfect for both professionals and hobbyists seeking rapid, precise reproductions. ## Description Product description Polycraft silicone putty is a fast curing silicone rubber, cured at room temperature with excellent dimensional stability and is used for the rapid reproduction of objects. Polycraft Silicone Putty is ideal for small mouldings and will replicate excellent detail from the original object producing a strong semi-flexible reusable mould. It has excellent self-releasing properties and will not require release agent for most applications. Ideal for a wide range of impression type moulding applications such as ornate plaster decorations, polymer clay to figurines etc. Characterisation : Addition Cured RTV Aspect : Paste Colour Part A : White Colour Part B : Violet Odour : Odourless Penetration Cone Mm/10 : 220 ± 15 Mix Ratio : 100:100 Working Time Minutes : 2 - 3 Setting Time Minutes : 6 - 8 Hardness Shore A : 43 ± 3 Specific Gravity g/cm³ : 1.45 ± 0.02 Elongation% : 100 - 200 Tensile Strength MPa : 1.6 ± 0.3 Tear Strength KN/m : 7.0 ± 2.0 Shrinkage (After 24h)% : <0.1 Legal Disclaimer Unfortunately we are unable to ship this item to, Isle of Man, Channel Islands or any Scottish Islands. Orders placed for these addresses will be cancelled and refunded due to carrier restrictions. ## Features - Fast Curing Silicone - Polycraft Silicone Putty is a fast-curing silicone rubber that sets at room temperature, providing quick and efficient mould making. No more long waiting times and more rapid reproduction of your objects. - Reusable and Semi-Flexible - Polycraft Silicone Putty allows to createa strong yet semi-flexible mould that is reusable for multiple projects. Its durability ensures longevity, making it a cost-effective choice for your mould-making needs. - Wide range of Uses - Polycraft Silicone Putty is perfect for a wide range of impression-type moulding applications such as plaster decorating to polymer clay figurines. Its self-releasing properties eliminate the need for additional release agents in most cases, simplifying your workflow. - Exceptional Dimensional Stability - With Polycraft Silicone Putty, the moulds will maintain their shape and integrity, ensuring accurate reproductions every time. Recreate your projects by retaining precise dimensions and details with Polycraft Rubber. - Easy to Use - Polycraft Silicone Putty can be easily accessible for both beginners and professionals. With its simple mixing process of 1:1 ratio, you can achieve professional-quality moulds with ease and efficiency. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07JZH4R1L | | Best Sellers Rank | 597,482 in Home & Kitchen ( See Top 100 in Home & Kitchen ) 1,793 in Sculpting Moulding & Casting | | Brand | Polycraft ( MB Fibreglass ) | | Colour | Violet | | Compatible Material | Plaster, Polymer Clay, Figurines | | Container Type | Box | | Country Of Origin | United Kingdom | | Customer Reviews | 4.5 4.5 out of 5 stars (18) | | Full Cure Time | 8 Minutes | | Item Form | Paste | | Item Package Quantity | 1 | | Manufacturer | Polycraft ( MB Fibreglass ) | | Material | Silicone | | Model Number | 5055844724907 | | Other Special Features of the Product | Fast Curing, Reusable | | Tensile Strength | 1.6 Megapascals | | Unit Count | 500 gram | | Viscosity Level | High | | Water Resistance Level | Not Water Resistant | ## Product Details - **Brand:** Polycraft ( MB Fibreglass ) - **Colour:** Violet - **Item form:** Paste - **Material:** Silicone - **Special feature:** Fast Curing, Reusable ## Images ![Silicone Putty RTV Mould Making Rubber, Fast Curing, Reusable Mould, Clay and Figurine Moulds, 500g - Image 1](https://m.media-amazon.com/images/I/61rXKvbypbL.jpg) ## Frequently Bought Together - Polycraft Silicone Putty RTV Mould Making Rubber, Fast Curing Silicone Rubber, Moulding Silicone, Reusable Mould, Clay and Figurine Moulds, Silicone Putty for DIY - 500g - Bond It Silicone Release Spray - 500ml --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.za/products/103408669-silicone-putty-rtv-mould-making-rubber-fast-curing-reusable-mould](https://www.desertcart.co.za/products/103408669-silicone-putty-rtv-mould-making-rubber-fast-curing-reusable-mould) --- *Product available on Desertcart South Africa* *Store origin: ZA* *Last updated: 2026-09-18*