Encapsulation of Electronic Components
Epoxy and acrylate resin based sealing and potting compounds are often used in electronics to protect electronic components, semiconductors and subassemblies. The encapsulation protects components from moisture, dust, dirt and solvents. Used to fill cavities or encapsulate components, sealing compounds also provide effective protection from mechanical stress.
All Hoenle sealing or potting compounds are made without solvent and many have a low ionic content of less than 10 ppm Na+, K+, Cl- and Br-. They therefore provide perfect protection from internal corrosion and reduce local voltaic coupling.
Many sealing compounds are UV-curing, allowing rapid setting in just a few seconds. This makes them suitable for encapsulating components in fully automated high-volume production. Thermally curing potting compounds, on the other hand, have the advantage of curing even in dark areas that the UV light cannot reach. These encapsulants are also available in black colour for use as a coating or covering.
A black sealing compound is used to protect mass-produced chips
The table below lists a selection of encapsulants, sealing and potting compounds from Hoenle. Further products and custom solutions are available on request.
A black adhesive is used for encapsulating electronic components
To download the technical datasheets (TDS) please click on the adhesive name.
| Adhesive | Application Areas | Viscosity [mPas] | Base | Curing * | Special Properties |
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| - | 1,200-2,000 (Rheometer, 25°C, 10s^-1) | epoxy | thermal at 60°C |
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| - | 5,000-10,000 (Rheometer, 25°C, 10s^-1) | epoxy | thermal at 60°C |
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| - | 7,000-15,000 mix (LVT, 25°C, Sp. 4/30 rpm) | 2-part epoxy | thermal, room temperature |
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| - | 12,000-22,000 mix, 10,000-20,000 part A, 18,000-29,000 part B, (Rheometer, 25 °C, 10s^-1) | 2-part epoxy | thermal, room temperature |
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| - | 40,000-65,000 mix (Rheometer, 25°C, 10s^-1) | 2-part epoxy | thermal, room temperature |
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| - | 3,000-4,000 mix (LVT, 25°C, Sp. 4/30 rpm) | 2-part epoxy | thermal room temperature |
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25,000-50,000 ( Rheometer, 25 °C, 10s-1 ) | epoxy | thermal |
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80,000-150,000 (Rheometer, 25 °C, 10s^-1 ) | epoxy | thermal |
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6,000-10,000 (Rheometer, 25°C, 10s^-1) | epoxy | thermal |
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20,000-30,000 (Rheometer, 25 °C, 20s ^-1) | epoxy | thermal |
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30,000-45,000 (LVT, 25°C, Sp. 4/6 rpm) | epoxy | thermal |
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| - | 30,000-45,000 | epoxy | thermal |
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| - | 16,000-30,000 (Rheometer, 25 °C, 5s^-1) | epoxy | thermal |
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| - | 30,000-45,000 | epoxy | thermal |
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6,500-7,500 (Rheometer, 25°C, 20s^-1) | epoxy | thermal |
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3,000-5,000 | epoxy | UV secondary heat cure |
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200-400 (LVT, 25°C, Sp. 2/30 rpm) | epoxy | UV secondary heat cure |
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3,000-5,000 | epoxy | UV |
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150-300 (Brookfield LVT, 25 °C, Sp. 2/30 rpm) | epoxy | UV secondary heat cure |
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9,000-14,000 (Rheometer, 10s^-1) | epoxy | UV secondary heat cure |
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1,200-2,000 | epoxy | UV |
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20,000-40,000 | epoxy | UV secondary heat cure |
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| - | 5,000-8,000 (LVT, 25 °C, Sp. 4/30 rpm) | epoxy | UV |
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| - | 60-100 (LVT, 25 °C, Sp. 2/30 rpm) | epoxy | UV secondary heat cure |
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| - | 150-350 (LVT, 25 °C, Sp. 2/30 rpm) | epoxy | UV secondary heat cure |
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| - | 100-200 | epoxy | UV secondary heat cure |
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160-300 | epoxy | UV secondary heat cure |
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| - | 2,000-3,000 (LVT, 25 °C, Sp. 4/30 rpm) | acrylate | UV, VIS |
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250-500 | acrylate | UV VIS |
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Vitralit® 6103
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- | 3,500-5,000 | acrylate | UV secondary heat cure |
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3,000-8,000 | acrylate | UV secondary heat cure |
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| - | 8,000-17,000 (Rheometer, 25°C, 10s^-1) | acrylate | UV secondary heat cure |
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Vitralit® 6105
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- | 3,500-6,000 | acrylate | UV secondary heat cure |
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| - | 4,000-6,000 (LVT 25°C, Sp. 4/30 rpm) | acrylate | UV secondary heat cure |
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| - | 800-1,200 | acrylate | UV secondary heat cure |
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| - | 3,000-6,000 (Rheometer, 25°C, 10s^-1) | acrylate | UV secondary heat cure |
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| - | 200-400 | acrylate | UV |
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| - | 700-1,200 | acrylate | UV |
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| - | 4,000-7,000 | acrylate | UV |
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4,000-6,000 | epoxy | UV secondary heat cure |
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5,000-8,000 (Rheometer, 25°C, 10s^-1) | acrylate | UV VIS moisture cure |
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3,000-6,000 (Rheometer, 25°C, 10s^-1) | acrylate | UV / VIS / Moisture postcuring |
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1,000-1,500 | acrylate | UV VIS |
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*UV = 320 – 390 nm VIS = 405 nm
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