HumiSeal® 1R32 is a fast-drying, single-component acrylic conformal coating that offers exceptional moisture and environmental protection for printed circuit assemblies. Designed for ease of use, it fluoresces under UV light for easy inspection and can be easily repaired, ensuring long-lasting performance. HumiSeal® 1R32 is fully compliant with RoHS Directive 2015/863/EU and IPC-CC-830 standards, making it a reliable choice for various applications.
Key Features of HumiSeal® 1R32:
- Acrylic chemistry
- Fast drying
- Single component
- Compatible with different thinner types to match application environments
- Excellent moisture and environmental protection
- Outstanding flexibility
- Fluorescence under UV light for easy inspection
- Reworkable with ease
- RoHS Directive 2015/863/EU and IPC-CC-830 compliant
Application of HumiSeal® 1R32
For a successful application of HumiSeal® 1R32, it’s critical that the substrate is clean. Surfaces must be free from moisture, dirt, wax, grease, flux residues, and other contaminants to avoid any potential issues that could lead to assembly failures.
Choose HumiSeal® 1R32 for dependable protection and superior performance 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.
Density, per ASTM D1475 | 0.91 ± .02 g/cm3 |
Solids Content, % by weight per Fed-Std-141, Meth. 4044 | 35 ± 2 % |
Viscosity, per Fed-Std-141, Meth. 4287 | 220 ± 30 centipoise |
VOC | 600 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 505 |
Recommended Thinner (spraying) | HumiSeal® Thinner 521 |
Recommended Stripper | HumiSeal® Stripper 1080 |
Shelf Life at Room Temperature, DOM | 24 months |
Thermal Shock, 50 cycles per MIL-I-46058C | -65°C to 125°C |
Coefficient of Thermal Expansion – TMA | 170 ppm/°C below Tg |
340 ppm/°C above Tg | |
Glass Transition Temperature – DSC | 14°C |
Modulus – DMA | 2000 MPa @ -40°C |
1050 MPa @ 20°C | |
8.5 MPa @ 60°C | |
Dielectric Withstand Voltage, per MIL-I-46058C | >1500 volts |
Dielectric Breakdown Voltage, per ASTM D149 | 7500 volts |
Dielectric Constant, at 1MHz and 25°C per ASTM D150-65T | 2.5 |
Dissipation Factor, at 1MHz and 25°C, per ASTM D150-98 | 0.01 |
Insulation Resistance, per MIL-I-46058C | 8.0 x 1014 ohms (800TΩ) |
Moisture Insulation Resistance, per MIL-I-46058C | 6.0 x 1010 ohms (60GΩ) |
Fungus Resistance, per ASTM G21 | Passes |