LOCTITE STYCAST PC-40-UMF is a high-performance urethane acrylate conformal coating. It provides robust protection for sensitive electronic components. This advanced formulation ensures optimal performance in demanding industrial environments. It safeguards against moisture, chemicals, and environmental contaminants.
General Information of LOCTITE STYCAST PC-40-UMF
This innovative coating utilizes a urethane acrylate technology. It presents as a clear liquid, facilitating visual inspection and quality control. The material employs a unique dual-cure mechanism. Initially, UV light activation rapidly gels and immobilizes the coating. This prevents run-off and ensures precise placement. Subsequently, room temperature moisture exposure completes the full cure. This guarantees comprehensive protection, even in shadowed areas where UV light cannot reach. Furthermore, its single-component nature simplifies application processes. It eliminates the need for complex mixing ratios or specialized equipment. This streamlines manufacturing workflows significantly. LOCTITE STYCAST PC-40-UMF also conforms to IPC-CC-830 requirements. This ensures adherence to critical industry standards for electronic assemblies.
Key Features & Technical Benefits
- Single Component Formulation: Simplifies handling and application. This reduces operational complexity and potential for error.
- VOC Free Composition: Ensures environmental compliance. It enhances worker safety by eliminating harmful volatile organic compounds.
- Dual UV and Moisture Curable: Provides a highly reliable curing mechanism. UV light offers rapid initial gelation. Moisture ensures a complete cure in shadowed regions.
- Rapid Gel and Immobilization: Accelerates initial processing times. This allows quicker handling and subsequent assembly steps.
- IPC-CC-830 Compliant: Meets stringent industry standards for conformal coatings. This guarantees high quality and dependable performance.
- Wide Continuous Operating Temperature: Maintains integrity and protective properties across a broad range. It performs from -40°C to 135°C.
Typical Industrial Applications
This formulation is engineered for the following applications:
- Conformal coating of printed circuit boards (PCBs) in consumer electronics
- Protection of various metal surfaces against corrosion and environmental factors
- Coating for ceramic substrates requiring electrical insulation and moisture resistance
- Encapsulation of glass-filled epoxy components in automotive and industrial controls
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 |
| Technology | Urethane Acrylate |
| Appearance | Clear liquid |
| Cure Mechanism | UV light activation followed by room temperature moisture cure |
| Operating Temperature - Continuous | -40 to 135°C |
| Application | Conformal coating |
| Nominal Viscosity @ 25ºC | 250 mPa·s (cP) |
| Specific Gravity @ 25ºC | 1.08 |
| Shelf Life @ 20 to 30ºC | 9 months |
| Recommended UV Cure (Light Source) | 10 seconds @ 300 to 600 mW/cm² |
| UV Wavelength | 365 nm |
| Secondary Cure | Moisture cure for shadowed areas (2 to 3 days @ RT) |
| Thermal Conductivity @ 25°C | 0.26 W/(m-K) |
| Hardness | 80 Shore D |
| Dissipation Factor @ 1MHz | 0.12 |
| Surface Resistivity | 3.8×1016 ohms |
| Volume Resistivity | 3.5×1016 ohm-cm |
| Dielectric Strength @ 2.64 mm thickness | 420 volts/mil |
| Dielectric Constant @ 1MHz | 2.75 |
| NASA Outgassing - TML | 0.87 % |
| NASA Outgassing - CVCM | <0.01 % |
| NASA Outgassing - WVR | 0.36 % |


