Electrolube UR5041 is a two-part, ultra-high-performance polyurethane potting and encapsulating resin system designed for extreme durability. Formulated specifically to withstand harsh environments, UR5041 features exceptional resistance to seawater, minimal water absorption, and outstanding low-temperature flexibility. It provides physical protection and long-term reliability for sensitive electronic assemblies operating in demanding marine and industrial applications.
Key Features & Benefits:- Seawater Resistance: Formulated for maximum resistance to seawater immersion and low water absorption (<0.5% after 10 days at 20°C).
- Wide Operating Temperature Range: Operates from -60°C to +125°C (short-term excursion up to +130°C).
- High Toughness & Tear Resistance: Excellent physical strength with an elongation at break of 200% and Shore Hardness of A85.
- Oxidation Resistance: Delivers robust performance in challenging and corrosive environments. Environmental Compliance: Meets RoHS directive requirements (2015/863/EU).
- Technical Specifications:
- Chemical Type: Polyurethane
- Color (Mixed): Black
- Mix Ratio by Weight (Part A : Part B): 3.64 : 1
- Mix Ratio by Volume (Part A : Part B): 3.85 : 1
- Mixed Viscosity (23°C): 2500 mPa·s
- Usable Life (@20°C): 20 minutes
- Gel Time (@23°C): 60 minutes
- Full Cure Time: 24 hours @ 23°C / 4 hours @ 60°C
- Thermal Conductivity: 0.35 W/m·K
- Dielectric Strength: 20 kV/mm
- Shore Hardness: A85
- Cured Density:1.18 g/mL
