HumiSeal® 1A20 Key Features
- Urethane-Based Chemistry: Offers superior chemical resistance and long-lasting protection for sensitive electronic components.
- Fast Curing: Accelerates production processes, making it a practical choice for high-demand applications.
- Single-Component Formula: Simplifies the application process and reduces preparation time.
- UV Fluorescence for Inspection: Fluoresces under UV light, allowing for quick and accurate inspection during quality control.
- Moisture and Environmental Protection: Provides excellent resistance to moisture and harsh environmental conditions, ensuring the longevity of printed circuit assemblies.
- Versatile Compatibility: Optimized for use with Thinner 521 for tailored application needs.
Industry Compliance and Certifications
HumiSeal® 1A20 meets the highest industry standards for safety and performance:
- MIL-I-46058C Qualified: Proven reliability in military-grade applications.
- IPC-CC-830 Certified: Ensures high-quality performance in electronics manufacturing.
- RoHS Directive 2015/863/EU Compliant: Environmentally friendly and free from hazardous substances.
- UL Recognized (UL File Number E105698): Certified for safe and consistent use.
Why Choose HumiSeal® 1A20?
HumiSeal® 1A20 delivers unbeatable chemical resistance, fast curing, and reliable protection, making it a top choice for electronic manufacturers. Its compliance with key standards and ease of application ensure that your printed circuit assemblies remain safe and operational in the most challenging environments.
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.
| Property | Value |
| Density (per ASTM D1475) | 1.02 ± 0.02 g/cm³ |
| Solids Content (% by weight, per Fed-Std-141, Meth. 4044) | 50 ± 3 % |
| Viscosity (per Fed-Std-141, Meth. 4287) | 100 ± 30 centipoise |
| VOC | 511 grams/litre |
| Recommended Coating Thickness | 25 – 75 microns |
| Drying Time to Handle (per Fed-Std-141, Meth. 4061) | 60 minutes |
| Recommended Curing Conditions | 24 hrs @ RT or 3 hrs @ 76°C |
| Time Required to Reach Optimum Properties | 7 days |
| Thinner (if needed, for dipping, brushing, spraying) | HumiSeal® Thinner 521, 521EU |
| Recommended Stripper | HumiSeal® Stripper 1072 |
| Shelf Life at Room Temperature, DOM | 6 months |
| Thermal Shock (per MIL-I-46058C) | -65°C to 125°C |
| Coefficient of Thermal Expansion (TMA) | 515 ppm/°C |
| Glass Transition Temperature (DSC) | 71°C |
| Modulus (DMA) | 89.6 MPa |
| Flammability (per UL 94) | V-0 |
| Dielectric Withstand Voltage (per MIL-I-46058C) | >1500 volts |
| Dielectric Constant (at 1MHz and 25°C, per ASTM D150-98) | 3.5 |
| Dissipation Factor (at 1MHz and 25°C, per ASTM D150-98) | 0.028 |
| Insulation Resistance (per MIL-I-46058C) | 3.0 x 10¹⁴ ohms (300TΩ) |
| Moisture Insulation Resistance (per MIL-I-46058C) | 4.8 x 10¹⁰ ohms (48GΩ) |
| Fungus Resistance (per ASTM G21) | Passes |
| Resistance to Chemicals | Excellent |
