Product Introduction
Momentive SILTRUST™ RTV41 is a general-purpose, two-component silicone elastomer offering higher viscosity and enhanced mechanical strength within the RTV11/RTV21/RTV41 product family. It cures at room temperature with DBT catalyst and is ideal for demanding molding, encapsulation, and release applications requiring durability, stability, and FDA compliance for specific non-acidic food-contact uses.
Momentive SILTRUST™ RTV41 Features
- Adjustable work and cure times through catalyst selection
- Room-temperature curing without solvents or solvent odor
- FDA compliance for certain food-contact applications
- Strong adhesion capability with recommended primer
- Excellent release properties for tooling and molding
- Thermal stability from -54°C to 204°C continuously and up to 260°C for short-term use
Momentive SILTRUST™ RTV41 Applications
- Electrical potting and encapsulation
- Production of durable silicone molds and cast-in-place gaskets
- Release surfaces for paint and adhesive removal
- Mold making and precision casting applications
About Prostech
Prostech offers specialty materials (adhesives, tapes, thermal interface materials, insulating materials, sealants, PCB protection materials, …) along with manufacturing solutions. We proudly serve a wide range of industries and are an authorized distributor for leading global manufacturers of industrial materials and equipment. Our product range is designed to deliver customized solutions that address each customer’s unique needs.
With years of experience and a successful project history, we are confident in our ability to provide comprehensive material solutions. These solutions effectively tackle the challenges manufacturers face. To explore our full product catalog, simply click here. Our dedicated team is ready to assist with:
- Provide quotation, sample, TDS/MSDS, and technical consultation
- Testing sample quality and verifying product compatibility in our laboratory
- Customizing material formulas for special applications
- Adapting product sizes, quantities, and packaging to meet specific needs
- Offering expert advice on suitable equipment and automation processes
- Delivering technical training and on-site support for optimal product use
Moreover, Prostech ensures the safe and accurate global delivery of all materials, including “dangerous goods”, in compliance with legal regulations. For personalized technical support or to receive a quotation, please contact us today.
| Property | Value |
|---|---|
| Color | White |
| Consistency | Pourable |
| Viscosity | 39,000 cps |
| Specific Gravity | 1.31 |
| Work Time | 1 hour |
| Cure Time | 24 hours |
| Hardness | Shore A 47 |
| Tensile Strength | 36 kg/cm² (520 psi) |
| Elongation | 190% |
| Tear Strength | 5.2 kg/cm (29 lb/in) |
| Shrinkage | 0.6% |
| Dielectric Strength | 20.3 kV/mm |
| Dielectric Constant | 3.7 |
| Dissipation Factor | 0.007 |
| Volume Resistivity | 1.6×10¹⁴ Ω·cm |
| Thermal Conductivity | 0.31 W/mK |
| Coefficient of Expansion | 20×10⁻⁵ |
| Useful Temperature Range | -54°C to 204°C |
| Specific Heat | 0.35 cal/g°C |
