- RTV-2 silicone systems for mold-making and reproduction applications
- Prototype, model, sculpture, decorative object and industrial mold solutions
- Product selection based on softness/hardness, tear strength and detail-capture expectations
- Catalyst, auxiliary component and application compatibility assessment
RTV-2 Mold Silicones
Silicone solutions tailored to your application for mold-making, prototyping, modeling and production processes.
Scope & Sub-topics


RTV-2 silicone rubbers are two-component mold materials that cure at room temperature and offer high elasticity and excellent detail-reproduction capability.
They are used safely in industry, prototyping, decorative production and technical applications.
Royalechem RTV-2 solutions deliver stable, high-quality results in repeat production with low shrinkage, high tear strength and long mold life.
With tin and platinum (1:1) catalyzed options, it provides solutions suited to different application needs.
Our RTV-2 mold silicones are available in different technical grades for industrial production, workshop and hobby applications.
RTV-2 Silicone Rubbers
Tin-Catalyzed vs Platinum-Catalyzed Comparison
| Property | Tin-Catalyzed RTV-2 (Condensation Type) | Platinum-Catalyzed RTV-2 (Addition Type) |
|---|---|---|
| Cure Mechanism | Condensation | Addition |
| Curing Method | Cures with moisture | Cures by chemical reaction |
| Mixing Ratio | 100:2 – 100:5 | 1:1 or 10:1 |
| Cure Time | Medium | Fast (can be accelerated with heat) |
| Shrinkage | Low | Very low / negligible |
| Dimensional Stability | Good | Very high |
| Detail Reproduction | Very good | Excellent |
| Tear Strength | Medium – Good | High |
| Flexibility | High | Very high |
| Mold Life | Medium – Long | Long |
| Heat Resistance | Medium | High |
| Chemical Resistance | Medium | High |
| Inhibition Sensitivity | None | Yes (sulfur, amine, tin, etc.) |
| Surface Quality | Good | Very smooth |
| Cost | Economical | Higher |
| Suitable Applications | General mold production, economical solutions | Precision molds, long-life and high-performance applications |
Our tin-catalyzed RTV-2 mold silicones cure at room temperature and deliver long-life, efficient mold performance in economical, multi-purpose mold-making for series casting. They are suitable for concrete and stone casting molds, resin casting, GFRC casting molds, plaster and gypsum molds, shoe-sole molding, candle and soap molds, sculpture and art casting, lost-wax casting molds, climbing-hold production and decorative furniture-part molding. You can source these products with the assurance of Royalechem.
Our platinum-catalyzed RTV silicones — with FDA food-contact compliant structure, excellent detail reproduction and long-lasting elasticity — are used safely in cake and chocolate molds, fondant and sugar-paste molds, ice and confectionery molds, as well as prosthetic-limb production, medical and orthopedic insoles and electronics applications. Professional solutions offering high performance, easy demolding and repeat-use advantage are at Royalechem.











Our tin and platinum catalyzed RTV-2 mold silicones
are offered in a wide range of hardness options for different application needs.
Contact us for the most suitable hardness, viscosity and system selection for your project and get technical support for the right mold solution.
Royalechem

Orthopedic Silicone
Orthopedic silicones are high-elasticity silicone systems used to provide non-slip grip and comfort in medical textiles, compression stockings, knee/elbow supports and prosthetic products. Their skin-friendly structure, flexibility and long-lasting grip help keep the product in place.
Suitable for screen, dot or strip printing applications. With its wash- and perspiration-resistant structure, it offers lasting performance in medical and orthopedic products. It can be customized to the production process with different hardness and viscosity options.

Start a technical conversation for your product, process or supply need.
Share the product group you need, the application area, the approximate quantity and any technical expectations. The Royalechem team will get back to you with a suitable product, sample, documentation and quote.