• Item Name: Bectron® MR 3406
• Manufacturer: ELANTAS Beck GmbH
• Technologies: One-component hot-melt resin system (polyolefin-based thermoplastic)
• Color: Not specified
• Cure Type: Hot-melt solidification (no chemical curing, rapid cooling process)
• Package Size: Contact to Techniq VN for details.
• Shelf Life: 6 months
Bectron® MR 3406 is a one-component hot-melt resin coating developed for electronic protection. Based on polyolefin resin chemistry, it is superior to conventional polyamide hot-melts in electronics. It solidifies upon cooling (no curing reaction required), is easily reworkable, and provides excellent dielectric, mechanical, and chemical resistance. RoHS compliant.
Thick film protective coating for PCBs, hybrid circuits, and electronic components.
Protection against humidity, corrosion, vibration, and electrical migration.
Mechanical reinforcement to secure components against shock and vibration.
Selective component encapsulation or full PCB coating.
Particularly recommended for serial production due to fast solidification without oven curing.
| Property | Condition | Value | Unit |
|---|---|---|---|
| Viscosity (DIN 53018) | 180°C | 520 ± 200 | mPa·s |
| Density (DIN 53217) | 23°C | 0.86 ± 0.02 | g/cm³ |
| Shelf life | 23°C | 6 | months |
| Property | Condition | Value | Unit |
|---|---|---|---|
| Melting Point | – | 140 | °C |
| Service Temperature Range | – | -40 to +120 | °C |
| Property | Condition | Value | Unit |
|---|---|---|---|
| Shore hardness (ISO 868) | 23°C | 14 ± 4 | Shore A |
| Property | Condition | Value | Unit |
|---|---|---|---|
| Volume resistivity | Initial | 3 × 10¹⁵ | Ω·cm |
| Volume resistivity | After 7 days water immersion | 5 × 10¹⁵ | Ω·cm |
| Surface resistance | – | 5 × 10¹⁴ | Ω |
| Dielectric strength (VDE 0303-2) | 23°C | >30 | kV/mm |
| Dielectric constant (VDE 0303-4) | 23°C | 2.1 | – |
| Dielectric dissipation factor (tan δ, VDE 0303-4) | 23°C | <0.001 | – |
| Property | Condition | Value | Unit |
|---|---|---|---|
| Water absorption (ISO 62, Method 1) | 24h / 23°C | 0.05 | % |
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