HumiSeal® 1B15 is a single-component, fast-drying acrylic conformal coating designed for printed circuit assemblies. This coating provides excellent protection against moisture and environmental factors, making it ideal for a wide range of applications. HumiSeal® 1B15 is compliant with RoHS Directive 2015/863/EU, ensuring adherence to global environmental standards.
Key Features of HumiSeal® 1B15:
- Acrylic chemistry
- Fast drying
- Single component
- Can be used with various thinner types to suit the application environment
- Excellent moisture and environmental protection
- High flexibility for diverse applications
- Easy reworkability
- Compliant with IPC-CC-830 and RoHS Directive 2015/863/EU
Application of HumiSeal® 1B15 Conformal Coating
For optimal performance, substrates should be cleaned before applying HumiSeal® 1B15. This coating can also be applied to substrates assembled with low residue “no clean” materials. Users are encouraged to perform adequate testing to ensure compatibility with their assembly materials and conditions. For further guidance, please contact a HumiSeal representative.
Choose HumiSeal® 1B15 for reliable moisture protection and flexibility in your printed circuit assemblies.
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.
| Product Specification | |
| Density, per ASTM D1475 | 0.91 ± 0.02 g/cm³ |
| Solids Content, % by weight per Fed-Std-141, Meth. 4044 | 35 ± 3 % |
| Viscosity, per Fed-Std-141, Meth. 4287 | 470 ± 20 centipoise |
| VOC | 590 grams/litre |
| Drying Time to Handle per Fed-Std-141, Meth. 4061 | 10 minutes |
| Recommended Coating Thickness | 25 – 75 microns |
| Recommended Curing Conditions | 24 hrs @ RT or 30 min @ 76°C |
| Time Required to Reach Optimum Properties | 7 days |
| Recommended Thinner (dipping & brushing) | HumiSeal Thinner 503 |
| Recommended Thinner (spraying) | HumiSeal Thinner 521 |
| Recommended Stripper | HumiSeal Stripper 1080 |
| Shelf Life at Room Temperature, DOM | 18 months |
| Thermal Shock, 50 cycles per MIL-I-46058C | -65°C to 125°C |
| Coefficient of Thermal Expansion – TMA | 77 ppm/°C |
| Glass Transition Temperature – DSC | 15°C |
| Modulus – DMA | 69.5 MPa |
| Dielectric Withstand Voltage, volts per MIL-I-46058C | >1500 |
| Dielectric Constant, at 1MHz and 25°C per ASTM D150-98 | 2.03 |
| Dissipation Factor, at 1MHz and 25°C per ASTM D150-98 | 0.01 |
| Insulation Resistance, per MIL-I-46058C | 3.5 x 1014 ohms (350TΩ) |
| Moisture Insulation Resistance, per MIL-I-46058C | 4.0 x 1010 ohms (40GΩ) |
| Fungus Resistance, per ASTM G21 | Passes |
