HumiSeal 1C49LVF is a silicone conformal coating that offers exceptional moisture and environmental protection for printed circuit assemblies. It is a low viscosity, VOC solvent-free coating that cures through moisture, and it boasts remarkable flexibility. For ease of inspection, the coating fluoresces under UV light and can be repaired. HumiSeal 1C49LVF can be cured either at room or elevated temperatures. Additionally, it is RoHS Directive 2011 65 EU compliant and recognized under UL File Number E105698.
FEATURES
- silicone based
- very fast curing
- fluoresces under UV light
- room temperature, moisture cure
- single component
- high solids
HumiSeal 1C49LVF conformal coating has
- No VOCs or solvent
- excellent environmental resistance and moisture resistance
- RoHS directive 2015/863/EU
- recognized under UL file number E105698
| Product Specification | |
| Density, per ASTM D1475 | 0.97 ± 0.03 g/cm³ |
| Min. Solids Content, % by weight per Fed-Std-141, Meth. 4044 | 50 % |
| Viscosity, per Fed-Std-141, Meth. 4287 | 550 ± 250 centipoise |
| VOC | 0 grams/liter |
| Recommended Coating Thickness | 50 – 200 microns |
| Drying Time to Handle per Fed-Std-141, Meth. 4061 | <10 min |
| Recommended Curing Conditions | 24 hrs @ RT or 20 min @ 76°C* |
| Time required to Reach Optimum Properties | 7 days |
| Recommended Stripper | HumiSeal Stripper 1091 |
| Shelf Life at Room Temperature, DOM | 12 months |
| Thermal Shock, 50 cycles per MIL-I-46058C | -65°C to 200°C |
| Glass Transition Temperature – DSC | < -65°C |
| Storage Modulus – DMA | 10.2 MPa @ -40ºC 4.7 MPa @ 25ºC 4.0 MPa @ 80ºC |
| Flammability, per UL94 | V-0 |
| Dielectric Withstand Voltage, per MIL-I-46058C | >1500 volts |
| Dielectric Breakdown Voltage, per ASTM D149 | 7000 volts |
| Dielectric Constant, at 1MHz and 25°C per ASTM D150-98 | 2.5 |
| Dissipation Factor, at 1MHz and 25°C per ASTM D150-98 | 0.01 |
| Insulation Resistance, per MIL-I-46058C | 3.9 x 1012 ohms |
| Moisture Insulation Resistance, per MIL-I-46058C | 1.94 x 1010 ohms |
| Fungus Resistance, per ASTM G21 | Passes |
