HumiSeal Acrylic Conformal Coating 1B31HS is a high-viscosity, high-solids acrylic coating engineered for robust electronic circuit protection. It safeguards sensitive components from environmental stressors. This formulation ensures long-term reliability and operational integrity for various electronic assemblies.
General Information of HumiSeal Acrylic Conformal Coating 1B31HS
HumiSeal Acrylic Conformal Coating 1B31HS is an advanced acrylic-based material. It features a high solids content, providing a substantial protective layer. This material demonstrates excellent flexibility, crucial for preventing cracking under thermal cycling. Furthermore, it fluoresces brightly under UV light, facilitating quick and accurate inspection processes. The coating is also designed for straightforward repair, minimizing downtime and rework costs.
This formulation adheres to the RoHS Directive 2002/95/EC, confirming its compliance with environmental standards. Its chemical composition ensures reliable performance across diverse industrial environments. Consequently, it offers superior protection against moisture, dust, and chemical contaminants, extending the lifespan of electronic devices. Proper substrate cleanliness is paramount for successful application, ensuring optimal adhesion and electrical properties.
Key Features & Technical Benefits
The HumiSeal Acrylic Conformal Coating 1B31HS offers several distinct advantages for electronic protection:
- Excellent Flexibility: This property prevents cracking or delamination during thermal expansion and contraction cycles. It ensures long-term coating integrity and reliability for protected components.
- UV Fluorescence: The coating glows distinctly under UV light. This allows for rapid and thorough inspection of coverage and uniformity, streamlining quality control.
- Easy Repairability: Technicians can easily remove and reapply the coating using HumiSeal Stripper 1080. This simplifies rework and maintenance procedures, reducing overall costs.
- RoHS Compliant: The formulation meets strict environmental regulations. It ensures safe use in various global markets and aligns with modern sustainability practices.
- High Viscosity: This characteristic enables the application of thicker, more protective layers in a single pass. It enhances barrier properties against harsh elements.
- High Solids Content: It delivers robust coverage with fewer volatile organic compounds. This contributes to a more environmentally friendly application process and superior film build.
Typical Industrial Applications
This formulation is engineered for the following applications:
- Printed Circuit Board (PCB) protection
- Electronic component encapsulation
- Protection over no-clean flux residues
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 | 0.95 ± 0.02 g/cm³ |
| Solids Content, % by weight per Fed-Std-141, Meth. 4044 | 54.5 ± 1.0 % |
| Viscosity, per Fed-Std-141, Meth. 4287 | 6000 +/- 1500 cps |
| VOC | 423 grams/liter |
| Drying Time to Handle per Fed-Std-141, Meth. 4061 | 10 minutes |
| Recommended Curing Conditions | 24 hrs @ RT or 30 min @ 76°C |
| Time Required to Reach Optimum Properties | 7 days |
| Recommended Stripper | HumiSeal® Stripper 1080 |
| Shelf Life at Room Temperature, DOM | 24 months |


