LOCTITE STYCAST U 2500 HTR is a two-component polyurethane encapsulant designed for potting and encapsulation applications. It has low viscosity, low modulus, high-temperature resistance, and excellent wetting properties. This material is formulated to provide complete impregnation for both small wound coils and large castings and can serve as a silicone replacement.
| Property | Part A | Part B |
|---|---|---|
| Appearance | Black | Amber |
| Viscosity @ 25°C (mPa∙s) | 12,500 | 135 |
| Density (g/cm³) | 1.42 | 1.23 |
| Property | Value |
|---|---|
| Mixed Viscosity @ 25°C (mPa∙s) | 8,000 |
| Pot Life @ 25°C (hours) | 4 |
| Shelf Life @ 18-25°C (days) | 183 |
| Cure Condition | Time |
|---|---|
| Room Temp Cure | 24 hours @ 25°C |
| Heat Cure | 4 hours @ 60°C |
| Post Cure | 2 hours @ 100-120°C |
| Property | Value |
|---|---|
| Hardness (Shore A) | 75 |
| Glass Transition Temperature (°C) | -50 |
| Thermal Conductivity (W/m-K) | 0.5 |
| Coefficient of Thermal Expansion (ppm/°C) | 134 |
| Moisture Absorption (%) | 0.6 (@ 24°C, 24h) |
| Elongation (%) | 66 |
| Young’s Modulus (N/mm²) | 10 (1,450 psi) |
| Property | Value |
|---|---|
| Volume Resistivity (ohm-cm) | 1.7×10¹² |
| Surface Resistivity (ohms) | 1.9×10¹³ |
| Dielectric Constant @ 25°C | 7.0 (50Hz), 7.1 (1kHz), 6.0 (1MHz) |
| Property | Value |
|---|---|
| Lap Shear Strength (Al to Al) | 6 N/mm² (870 psi) |
| Tensile Strength | 4 N/mm² (580 psi) |
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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.
Our solutions promise to bring best optimal effectiveness along with competitive prices, excellent customer services, dedicated on-site support.
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