Master Bond EP21ND-LO is an exceptionally versatile system that passes NASA low outgassing specifications as per ASTM E595. This two component epoxy system cures at room temperature, but to optimize its properties, the best cure schedule for this system is 12-24 hours at room temperature, plus another 2 hours at 150-200°F.
Master Bond EP21ND-LO
Featuring superb physical properties, EP21ND-LO is ideal for bonding, sealing and coating similar and dissimilar substrates including metals, glass, ceramics, wood, rubber and many plastics. It produces high-strength, durable bonds that offer tensile strengths of over 7,500 psi and compressive strengths exceeding 10,000 psi at room temperature. These bonds also hold up well to rigorous thermal cycling over the wide temperature range of -60°F to +250°F. This system resists many chemicals including water, oils, fuels, acids, bases and salts. Once cured, EP21ND-LO is an excellent electrical insulator.
“Recently, I recommended this product for an application where vacuum compatibility and low outgassing were necessary. The customer was using a two component system with a very difficult mix ratio and extremely low viscosity. It was difficult to restrict the flow of this system during application and cure. EP21ND-LO was a great fit here due to its 1:1 convenient mix ratio. Also, being a paste, it stayed at its place during application and cure. EP21ND-LO was a great success in their application.” Venkat Nandivada, Master Bond Technical Advisor.
Cutting Edge Formulations
The Master Bond product line consists of advanced epoxies, silicones, polyurethanes, polysulfides, UV/LED cures and other specialty systems. Each compound is designed to meet specific application requirements. Master Bond's environmentally friendly systems are available in convenient packaging from small to large sizes.
Outstanding Technical Support
With years of experience in technical support, the Master Bond team will be able to assess your application and recommend the most suitable polymer system to meet your specifications. Master Bond will continue to guide you throughout the design, prototype and manufacturing process. Master Bond offers replacements for discontinued products.
Latest Technological Advancements
As a worldwide manufacturer of polymer compounds, Master Bond is continuously working with universities and R&D labs to improve product performance. Master Bond's products are designed to maximize productivity, reduce waste, save energy and for dependable, long-term durability.
This information has been sourced, reviewed and adapted from materials provided by Master Bond Inc.
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