Test Item | TB-6500 | Test standard | ||
Chemical type | Modified urethane acrylate | -- | ||
Appearance | transparent liquid (No mechanical impurities) | -- | ||
Viscosity | 100-400 Cps | 25℃ Rotating viscometer | ||
Temperature range | - 40℃~+200℃ | -- | ||
Curing time | UV curing time | 1-5s | >600mJ/cm2 @365nm uv light | |
moisture curing time | >168HR | 25℃ , 65%RH | ||
After curing | Hardness | 60 shore D | -- | |
Shear strength | >10 Mpa | -- | ||
Elongation at breaking | 120% | -- | ||
Film thickness | 25-150um | -- | ||
Coefficient of thermal expansion | 56 | PPM/℃;GB1036-89 | ||
Water absorption rate | <0.5% | 24h,25℃ | ||
Dielectric constant | 3.2 MHz | GB1693-81 | ||
Dielectric strength | 55 KV/mm | GB507-86 | ||
Surface resistivity | 7.3×1015 Ω | -- | ||
Volume resistivity | 3×1015 ohm-cm | GB1410-89 |