Silicone for Making Soap and Candle Molds – Flexible, Precise, and Long-Lasting (29)
Silicones for Soap and Candle Molds – Flexible, Detailed & Durable

Do you want to create beautiful, detailed soaps or designer candles? It all starts with the right mold. Silicone rubber is the ideal choice: it is flexible, stretchable, and captures every detail down to the micrometer. Silicone molds last for hundreds of pours, release effortlessly, and are resistant to the heat of liquid wax. At Siliconesandmore.com, you'll find a complete assortment for both beginners and professionals.
Addition (Platinum) Silicones – No shrinkage, long lifespan
Platinum-cure silicones are the best choice for high-quality molds. They do not shrink, are odorless, and last an extremely long time. Available in multiple hardnesses:
- Addition Colorless 5 – Extremely soft (Shore 5), ideal for fragile or delicate objects.
- Addition Pink 10 – Soft yet stable (Shore 10), suitable for taller and thinner molds.
- Addition Yellow 25 Set – Medium hard (Shore 25), flexible and sturdy enough for upright candle molds.
- Addition Colorless 25 – Platinum silicone for strong molds and finished products.
- Addition Transparent 25 – Clear and strong, useful for checking the mold.
- Addition Green 30 Set – Sturdy and flexible (Shore 30), perfect for tall candle molds.
- Addition Colorless 50 – The hardest pourable silicone, for firm yet flexible molds.
- Soft Flex 00-35 – Ultra-soft liquid silicone, minimal oil exudation.
Condensation (Tin-Cure) Silicones – Fast and affordable
Condensation silicones are easy to process, fast curing, and excellent for soap and candle molds. Available in various hardnesses and formulations:
- Condensation 20 Universal Set – The most versatile choice for beginners and advanced users.
- Condensation 20 Starter Kit – Everything you need to start mold making immediately.
- Condensation 20 A-component – Available separately for use with your own hardener.
- Condensation 20 Resin – Specially formulated for polyurethane and epoxy casting.
- Condensation 20 Polyester – Mold rubber for polyester molds and composite casting.
- Condensation 5 A-component – Soft tin-cure silicone for delicate shapes.
- Condensation 35 A-component – Firmer tin-cure silicone for robust molds.
- Cenusil M 825 – High-quality condensation silicone for professional applications.
Hardeners & B-components
Combine your A-component with the correct hardener for optimal curing, working time, and temperature resistance:
- B 5 – Universal hardener for Condensation 5, 20 and 35.
- T21 – Hardener with good temperature resistance.
- T35 – Standard B-component for condensation silicones.
- T37 – Hardener with increased temperature resistance.
- T40 – Robust hardener for demanding applications.
- Wacker T40 Paste – Paste-form B-component from Wacker for condensation silicones.
- T47 – Fast hardener for shorter curing time.
- T51 – Hardener for condensation silicones with specific properties.
Zhermack SFX – Skin-safe silicones for decorative soap
- Zhermack SFX 00-20 – Ultra-soft platinum silicone, also suitable for decorative soap and skin contact.
- Zhermack SFX 00-30 – Slightly firmer, ideal for detailed decorative molds.
Not sure which silicone best suits your project? Check our guides and tips or contact us — we're happy to help you brainstorm.