LOCTITE STYCAST ES 4512 is a two-component epoxy casting system designed for potting and encapsulation. It offers excellent handling properties, low cost, and flexibility. The system contains a non-abrasive filler, making it suitable for both machine metering/dispensing and manual mixing applications.
| Property | Part A (Resin) | Part B (Hardener) | Mixed |
|---|---|---|---|
| Appearance | Black | Tan | Black (cured) |
| Density @ 25°C (g/cm³) | 1.57 | 1.48 | 1.55 |
| Filler Content (%) | 50 | 60 | – |
| Viscosity @ 25°C (mPa·s) | 55,000 (2 rpm) / 28,000 (20 rpm) | 6,300 (20 rpm) | 19,000 |
| Pot Life @ 25°C (200 g mass) | – | – | 60 min |
| Gel Time @ 25°C | – | – | 5 hours |
| Peak Exotherm Temp (200 g mass) | – | – | 90°C |
| Property | Value |
|---|---|
| Glass Transition Temperature (Tg) | 50°C |
| Thermal Conductivity | 0.644 W/(m-K) |
| Coefficient of Thermal Expansion (Pre Tg) | 66 × 10⁻⁶ K⁻¹ |
| Shore Hardness (D) | 88 |
| Water Absorption (24h @ 25°C) | 0.32% |
| Elongation (%) | 6.3 |
| Tensile Strength | 18.4 N/mm² (2,670 psi) |
| Compressive Strength | 80.7 N/mm² (11,700 psi) |
| Flexural Strength | 34.3 N/mm² (4,975 psi) |
| Tear Strength | 42 N/mm (240 lb./in.) |
| Property | Value |
|---|---|
| Dielectric Breakdown Strength | 44.7 kV/mm |
| Volume Resistivity @ 25°C | 5.9 × 10¹⁴ Ω·cm |
| Surface Resistivity @ 25°C | 3.0 × 10¹⁵ Ω |
| Dielectric Constant / Dissipation Factor (25°C) | 4.6 / 0.038 (100 Hz) |
| Dielectric Constant / Dissipation Factor (105°C) | 35.7 / 1.43 (100 Hz) |
LOCTITE ECCOBOND UF 9000AG-061 is specifically formulated for FCBGA and Cu pillar flip chip packaging, ensuring robust solder joint encapsulation under extreme electrothermal cycling from -65 °C to 150 °C. Its superior capillary flow also optimizes throughput in automated assembly lines for high-density ICs.
BERGQUIST microTIM mTIM 1028 is purpose built for riding cage assemblies in servers, switches, and routers, interfacing with electroless nickel plated copper or aluminum heat sinks. It ensures stable operation in high power transceiver modules while also extending applicability to liquid cooling components, heat pipes, and fin based dissipative structures.
LOCTITE® ABLESTIK NCA 3218 is specifically formulated for ADAS optical modules, ensuring secure bonding in lens barrel to housing and lens housing to circuit board interfaces where dimensional accuracy and dielectric integrity are non negotiable.
Loctite® 3296, a dual cure (UV & thermal) adhesive, is engineered for active alignment assembly of ADAS cameras and LiDAR modules. Its optimized bonding to aluminum and FR4 substrates ensures secure fixation of optical components while enabling nanometer level alignment critical for high resolution imaging.
Techniq Vietnam provides end-to-end materials and process solutions, integrating world-class technologies in adhesives, soldering, and thermal management.
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