RTV577 is a two-part, low-temperature curing silicone rubber compound designed for high-performance applications requiring excellent temperature stability and flexibility. It is supplied as a base compound with DBT (dibutyl tin dilaurate) curing agent for standard applications. This product offers strong adhesion (with primer), excellent release properties, and durability over a wide temperature range.
✔ Two-part system with adjustable work and cure times
✔ Wide operating temperature range (-115°C to 204°C)
✔ Solvent-free formulation
✔ Excellent adhesion with primer
✔ Retains elastomeric properties after curing
| Property | RTV577 Value |
|---|---|
| Uncured Properties | |
| Color | White |
| Consistency | Paste |
| Viscosity | 700,000 cps |
| Specific Gravity | 1.35 |
| Uncured (with 0.5% DBT Curing Agent) | |
| Work Time (@ 25°C) | 2 hours |
| Cure Time (@ 25°C) | 24 hours |
| Cured Properties (after 7 days @ 25°C, 50% RH) | |
| Hardness (Shore A) | 48 |
| Tensile Strength | 31 kg/cm² (440 psi) |
| Elongation (%) | 150 |
| Tear Strength | 6.8 kg/cm (38 lbs/in) |
| Shrinkage (%) | 0.65 |
| Electrical Properties | |
| Dielectric Strength | 18.5 kV/mm (470 V/mil) |
| Dielectric Constant | 3.9 |
| Dissipation Factor | 0.02 |
| Volume Resistivity | 5.6 × 10¹⁴ ohm-cm |
| Thermal Properties | |
| Useful Temperature Range | -115°C to 204°C (-175°F to 400°F) |
| Thermal Conductivity | 0.31 W/m·K |
| Coefficient of Linear Expansion | 20 × 10⁻⁵ cm/cm°C (11 × 10⁻⁵ in/in°F) |
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Avantek Viet Nam is a dynamic MRO, direct materials and equipment supplier that brings advanced technological solutions to maximize satisfaction of customers.
We are expert in import and export of adhesives, accessories and equipment in both domestic and cosmetic industrial fields, production and technology research and development.
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