Bectron® PL 4122 E BLF FLZ is a transparent, polyurethane-based varnish formulated from urethane-modified alkyd chemistry. It is designed to meet the demands of modern electronics, providing effective protection against harsh environments. The product is lead-free, free of aromatic solvents, and complies with the ROHS directive.
Bectron® PL 4122 E BLF FLZ is primarily used for electronic protection in industries that demand high reliability and environmental resilience. It is applied to:
| Property | Condition | Value | Units |
|---|---|---|---|
| Non-Volatile Content (Solids) | ISO 3251 (2h, 130°C) | 37 ± 1% (PL 4122-37) | % |
| 40 ± 2% (PL 4122-40) | % | ||
| 45 ± 1% (PL 4122-45) | % | ||
| Viscosity | DIN/EN/ISO 2431 (4mm Cup, 23°C) | 40 ± 3 (PL 4122-37) | Sec (mPas) |
| 65 ± 5 (PL 4122-40) | Sec (mPas) | ||
| 40 ± 3 (PL 4122-45) | Sec (mPas) | ||
| Density | DIN EN ISO 2811-2 (23°C) | 0.86 ± 0.01 (PL 4122-37) | g/cm³ |
| 0.87 ± 0.01 (PL 4122-40) | g/cm³ | ||
| 0.88 ± 0.01 (PL 4122-45) | g/cm³ | ||
| Curing Time | 23°C (dust dry) | 0.25 h | – |
| 23°C (touch dry) | 1.00 h | – | |
| 23°C (fully cured) | 16.00 h | – | |
| Batch oven (80°C) | 0.5 h | – | |
| Thermal Properties | IEC 60216 | 134°C | °C |
| Flammability | UL 94 | V0 | – |
| Mandrel Bend Test | IEC 60464-2 (3mm, 0.06mm film) | >180° | ° |
| Dielectric Properties | IEC 60250 (23°C, 10 kHz) | 3.5 | Permittivity |
| 0.023 | Dissipation Factor | ||
| IEC 60464-2 (after 23 hours immersion) | 112 x 10⁸ | kV/mm | |
| IEC 60464-2 (volume resistivity) | 1 x 10¹⁵ | Ω•cm | |
| Chemical Resistance | ISO 62 (24 hours, 23°C) | 1.5% | Water Absorption |
| ISO 62 (0.5 hours, 100°C) | 2.5% | Water AbsorptionBectron® PL 4122-E BLF FLZ |
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