| UV-cured conformal coating | UL 746E | Viscosity: Low viscosity, 100-500 cP (sprayable) | Temperature resistance: -60°C to +200°C | Volume resistivity: ≥ 1.0 x 10¹⁵ Ω·cm | Curing method: UV-based + secondary moisture curing |
| IEC 61086 | Coating thickness: 25-50 µm | Resistant to damp heat: 85°C/85% RH, 1000 hours, insulation resistance remains stable. | Insulation strength: ≥ 5 kV/mm | UV curing speed: Surface dry within seconds to 1 minute under a 365nm UV lamp. |
| RoHS, REACH, Halogen-Free | Shore A hardness: ≤ 50 (flexible) | Resistance to thermal shock: -40°C to +125°C, 200 cycles, no cracking. | Corrosiveness: Non-corrosive to copper, gold, and solder pads. | Complete curing: Within 24 hours (moisture curing) |
| Adhesion: Adhedes well to PCBs and components. | UV aging resistance: Excellent; will not yellow or crack with long-term use. | Environmental certifications: Compliant with RoHS and REACH, halogen-free. | Application methods: spraying, brushing, dipping |
| | | | Key process: Requires storage away from light; shaded areas require moisture curing. |
| Thermally conductive potting compound | UL 94 V-0 | Thermal conductivity: ≥ 1.0 – 2.0 W/m·K | Temperature resistance: -50°C to +200°C (long-term) | Volume resistivity: ≥ 1.0 x 10¹⁴ Ω·cm | Components: Two-component (A:B) |
| RoHS, REACH | Viscosity: Paste-like, highly thixotropic, non-sagging. | Resistance to thermal shock: -40°C to +125°C, excellent. | Flame retardant rating: UL 94 V-0 | Mixing ratio: Fixed weight/volume ratio (e.g., 1:1) |
| Shore A hardness: 30-60 (after curing) | High temperature and humidity aging: 85°C/85% RH, 1000 hours, stable performance. | Corrosiveness: Non-corrosive to components and wiring harnesses | Operating time/operable time: 30 – 60 minutes (25°C) |
| Linear shrinkage rate: ≤ 0.5% (low stress) | | Environmental certifications: Compliant with RoHS and REACH | Initial curing: 2-4 hours (25°C) |
| | | | Full curing: 24 hours (25°C) or accelerated by heating. |
| | | | Application method: Manual/mechanical potting |
| General purpose silicone sealant | GB/T 14683 | Elongation at break: ≥ 300% – 400% | Temperature resistance: -40°C to +150°C | Volume resistivity: ≥ 1.0 x 10¹⁴ Ω·cm (good insulation) | Composition: Single component, ready to use |
| RoHS, GB 18583 (VOC) | Tensile strength: ≥ 0.8 – 1.2 MPa | Weather resistance: Good resistance to UV rays and ozone. | Curing type: Neutral curing (de-alcoholized), non-corrosive. | Surface drying time: 10 – 20 minutes (25°C, 50% RH) |
| Shore A hardness: 25 – 35 (flexible) | Water resistance: Excellent, stable performance under long-term humid conditions. | VOC content: Low, meets indoor environmental protection standards. | Curing speed: ~3mm/24 hours (depending on ambient temperature and humidity) |
| Displacement capacity: ±25% | | Mildew resistance: Mildew-resistant models are available (Grade 0/Grade 1). | Application method: Manual/pneumatic glue gun application |
| | | | Colors: Available in white, transparent, black, etc. |
