Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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• Item Name: Bectron® PL 4122 E BLF FLZ
• Manufacturer: ELANTAS Europe
• Technologies: Urethane-modified alkyd thin-film coating, fast-curing, lead-free, ROHS compliant
• Color: Transparent
• Cure Type: Ambient or oven curing
• Package Size: Contact to Techniq VN for details.
• Shelf Life: 6 months
Bectron® PL 4122 E BLF FLZ is a transparent polyurethane varnish based on urethane-modified alkyd chemistry. It provides thin film protective coatings for electronics with low pin corrosion, fast curing (air or oven), and compliance with RoHS. It has superior dielectric, thermal, and chemical resistance properties and retains flexibility under thermal shock. The coating is available in three viscosity/solid content grades:
PL 4122-37 E BLF FLZ
PL 4122-40 E BLF FLZ
PL 4122-45 E BLF FLZ
Coating of PCBs in aggressive environments (automotive, marine, industrial, corrosive gas)
Protection of hybrids, SMD devices, discrete components
Suitable for safety-critical systems
High reliability under temperature cycling (–40 to +125 °C, >750 cycles)
Compatible with robotic mass production (select coat, spray, dip, brush, manual spray)
| Property | Condition / Grade | Value | Unit |
|---|---|---|---|
| Non-volatile content (Solids) | PL 4122-37 | 37 ± 1 | % |
| PL 4122-40 | 40 ± 2 | % | |
| PL 4122-45 | 45 ± 1 | % | |
| Viscosity (Flow Time) | PL 4122-37, 4 mm cup, 23 °C | 40 ± 3 (~50) | s (mPa·s) |
| PL 4122-40, 4 mm cup, 23 °C | 65 ± 5 (~80) | s (mPa·s) | |
| PL 4122-45, 6 mm cup, 23 °C | 40 ± 3 (~240) | s (mPa·s) | |
| Density | PL 4122-37, 23 °C | 0.86 ± 0.01 | g/cm³ |
| PL 4122-40, 23 °C | 0.87 ± 0.01 | g/cm³ | |
| PL 4122-45, 23 °C | 0.88 ± 0.01 | g/cm³ | |
| Shelf Life | 23 °C | 6 | months |
| Curing Time (Dust dry) | 23 °C | 0.25 | h |
| Curing Time (Touch dry) | 23 °C | 1 | h |
| Full Cure (Air) | 23 °C | 16 | h |
| Accelerated Cure | 80 °C | 0.5 | h |
| Property | Condition | Value | Unit |
|---|---|---|---|
| Temperature Resistance | IEC 60216 | 134 | °C |
| Flammability | UL 94 | V-0 | – |
| Property | Condition | Value | Unit |
|---|---|---|---|
| Mandrel Bend Test | 3 mm, 0.06 mm film | >180° | – |
| Cross-Cut Test | DIN EN ISO 2409 | GT 0–1 | – |
| Property | Condition | Value | Unit |
|---|---|---|---|
| Permittivity | 23 °C, 10 kHz | 3.5 | – |
| Dielectric Dissipation Factor (tan δ) | 23 °C, 10 kHz | 0.023 | – |
| Dielectric Strength | After water immersion, 23 °C | 108–112 | kV/mm |
| Volume Resistivity | IEC 60464-2, 23 °C | 1 × 10¹⁵ | Ω·cm |
| Tracking Resistance | IEC 60112 | 600 | CTI |
| Property | Condition | Value | Unit |
|---|---|---|---|
| Water Absorption | 23 °C, 24 h | 1.5 | % |
| 100 °C, 0.5 h | 2.5 | % |
Electric Motor Reliability with Huntsman ARALDITE® Encapsulation Potting – Casting
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