HumiSeal® 1C49LV is a moisture-curing, low-viscosity, VOC-free silicone conformal coating designed to provide exceptional moisture and environmental protection for printed circuit board (PCB) assemblies. This solvent-free coating offers excellent flexibility and repairability, making it an ideal choice for high-performance protection.
Key Features of HumiSeal® 1C49LV
- Moisture Curing: Provides effective protection in high-humidity environments.
- Low Viscosity: Ensures easy application and full coverage.
- VOC-Free: Environmentally friendly and safe for use.
- Outstanding Flexibility: Ideal for applications requiring movement or stress tolerance.
- Fluorescence Under UV Light: Simplifies inspection and quality control.
- Repairable: Easily reworked if needed.
- HumiSeal® 1C49LV meets critical industry standards, including:
- MIL-I-46058C qualification
- IPC-CC830 certification
- RoHS Directive 2011/65/EU compliance
- UL File Number E105698 recognition
Application of HumiSeal® 1C49LV
HumiSeal® 1C49LV can be applied to substrates that have been cleaned prior to coating or those assembled with low-residue “no clean” materials. It cures effectively at room or elevated temperatures, offering flexibility in processing. Adequate testing is recommended to confirm compatibility with your assembly materials, cleanliness level, and process conditions. For additional support, contact HumiSeal for expert assistance.
Optimize your PCB protection with HumiSeal® 1C49LV—the ultimate silicone conformal coating solution for moisture resistance and environmental defense.
About Prostech
Prostech offers specialty materials (adhesives, tapes, thermal interface materials, insulating materials, sealants, PCB protection materials, …) along with manufacturing solutions. We proudly serve a wide range of industries and are an authorized distributor for leading global manufacturers of industrial materials and equipment. Our product range is designed to deliver customized solutions that address each customer’s unique needs.
With years of experience and a successful project history, we are confident in our ability to provide comprehensive material solutions. These solutions effectively tackle the challenges manufacturers face. To explore our full product catalog, simply click here. Our dedicated team is ready to assist with:
- Provide quotation, sample, TDS/MSDS, and technical consultation
- Testing sample quality and verifying product compatibility in our laboratory
- Customizing material formulas for special applications
- Adapting product sizes, quantities, and packaging to meet specific needs
- Offering expert advice on suitable equipment and automation processes
- Delivering technical training and on-site support for optimal product use
Moreover, Prostech ensures the safe and accurate global delivery of all materials, including “dangerous goods”, in compliance with legal regulations. For personalized technical support or to receive a quotation, please contact us today.
| Density, per ASTM D1475 | 0.97 ± 0.03 g/cm³ |
| Min. Solids Content, % by weight per Fed-Std-141, Meth. 4044 | 95% |
| Viscosity, per Fed-Std-141, Meth. 4287 | 9000 ± 1500 centipoise |
| VOC | 0 grams/litre |
| Recommended Coating Thickness | 50 – 200 microns |
| Drying Time to Handle per Fed-Std-141, Meth. 4061 | <10 mins |
| 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 |
| Coefficient of Thermal Expansion – TMA | 367 ppm /ºC |
| Glass Transition Temperature – DSC | < -65°C |
| Storage Modulus – DMA | 408 MPa @ -40ºC |
| 1.6 MPa @ 25ºC | |
| 1.4 MPa @ 80ºC | |
| Tensile, per ASTM D412 | 30-50 psi |
| Elongation, per ASTM D412 | 80-120 % |
| Build per Dip, per ASTM D823 | 5 mils |
| Flammability, per UL94 | V-1 |
| 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 | 5.0 x 1014 ohms (500TΩ) |
| Moisture Insulation Resistance, per MIL-I-46058C | 1.0 x 1010 ohms (10GΩ) |
| Fungus Resistance, per ASTM G21 | Passes |
