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  1. Master Bond
18 August 2022

Chemically Resistant, NASA Low Outgassing, Non-Drip Epoxy System

 

Master Bond EP41S-5ND Black is a two-part, NASA low outgassing rated epoxy with outstanding chemical resistance to acids, bases, alcohols and fuels. Most significantly it will withstand liquid immersion to harsh chemicals such as methylene chloride, phenol (10%) and nitric acid (30%). This system contains no solvents and cures at room temperature or more rapidly at elevated temperatures. It provides a high glass transition temperature of 140°C to 150°C and exceptional electrical insulation properties, with a volume resistivity greater than 1014 ohm-cm.

“EP41S-5ND Black is designed for bonding and sealing applications, wherein a non-sag, paste-like consistency is required,” says Rohit Ramnath, senior product engineer. “The optimum curing schedule is overnight at 75°F followed by three to four hours at 150°F-200°F. In applications where long-term chemical resistance is critical, the importance of post-curing with heat cannot be overstated.”

EP41S-5ND Black has a good physical strength profile with a tensile strength measuring between 10,000psi and 12,000psi and a tensile lap shear of 900psi-1,100psi, both at room temperature. It is serviceable over the temperature range of -80°F to +450°F. This compound adheres well to a variety of substrates such as metals, composites, glass, ceramics and many plastics and rubbers. As indicated by the product name, its colour is black, and it is RoHS compliant. Packaging is available in ½ pint kits, pint kits, quart kits and gallon kits.

For more information, please contact Master Bond via the contact details on our profile.

Energy, particularly oil and gas, has been and continues to be one of the pillars of necessities required for nearly every aspect of living.
Because of its outstanding strength and other physical properties, Master Bond Supreme 10HT has been selected for use in several published research studies.
EP41S-5 is a two-part epoxy system that can be used for bonding, sealing and coating a wide variety of materials.
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