Product Introduction
Momentive SILTRUST™ RTV630 is a two-component, pourable silicone rubber compound that cures to form a high-strength elastomer with excellent tear resistance and low shrinkage. Its 10:1 mix ratio and self-leveling properties make it ideal for detailed mold making, prototype development, and potting of electronic assemblies requiring vibration resistance.
Momentive SILTRUST™ RTV630 Features
- Convenient 10:1 mix ratio suitable for manual or automated processing
- Self-leveling behavior for accurate reproduction of fine details
- Solvent-free formulation
- Long work time at room temperature
- Cure rate can be accelerated with heat
- Suitable for deep and closed-section curing
- High tear strength with low shrinkage
Momentive SILTRUST™ RTV630 Applications
- Precision mold making for casting resins and elastomers
- Prototype and tooling fabrication
- Production tools for epoxy and rubber casting
- Potting of electronics requiring vibration protection
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 (A) | Beige |
| Color (B) | Blue |
| Consistency (A) | Pourable |
| Consistency (B) | Easily Pourable |
| Viscosity (A) | 160,000 cps |
| Viscosity (B) | 6,000 cps |
| Specific Gravity (A) | 1.29 |
| Specific Gravity (B) | 1.07 |
| Mixed Viscosity | 150,000 cps |
| Mixed Specific Gravity | 1.28 |
| Work Time | 4 hours |
| Hardness | Shore A 60 |
| Tensile Strength | 58 kg/cm² (820 psi) |
| Elongation | 250% |
| Tear Strength | 20 kg/cm (110 lb/in) |
| Shrinkage | 0.8% |
| Dielectric Strength | 17.7 kV/mm (450 V/mil) |
| Dielectric Constant | 3.2 |
| Dissipation Factor | 0.006 |
| Volume Resistivity | 4.5×10¹⁵ Ω·cm |
| Useful Temperature Range | -60°C to 204°C |
| Thermal Conductivity | 0.31 W/m·K |
| Coefficient of Expansion | 21×10⁻⁵ cm/cm°C |
| Specific Heat | 0.35 cal/g°C |
