Adhesives to Meet NASA Low Outgassing Tests - EP21TCHT-1

Two part epoxy adhesive system EP21TCHT-1 cures at room temperature or more rapidly at elevated temperatures. It has a 100 to 60 mix ratio by weight and a working life after mixing of 30-60 minutes for a 100 gram batch. This thixotropic paste is easy to apply and can be serviceable from 4k to +400°F. This formulation is 100% reactive and contains no solvents or diluents.

Master Bond EP21TCHT-1 features excellent thermal conductivity and electrical insulation properties. It has a thermal conductivity of 10 BTU/in/ft2/hr/°F and a volume resistivity of 1012 ohm-cm. Additionally, EP21TCHT-1 has a high bond strength to metals, glass, ceramics, vulcanized rubbers and many plastics. Its thermal expansion coefficient is remarkably low.

EP21TCHT-1 can withstand exposure to thermal cycling. Bonds are tough and durable. It has exceptional resistance to many chemicals and water. As a NASA qualified system, it is ideal for high vacuum type applications.

This product has a Shore D hardness > 80 and a tensile strength of > 7,000 psi. Its tensile modulus is > 450,000 psi. It is available for use in ½ pint, pint, quart, gallon and 5 gallon kit containers. Special packaging options include premixed and frozen syringes.

Master Bond Polymer Compounds

Master Bond formulates a wide variety of epoxy systems that offer outstanding heat dissipation properties. These compounds contain a variety of fillers in different particle sizes and are designed for easy dispensing with standard application equipment. Both one and two component systems have versatile cure schedules to best meet specific application requirements. Specific uses include heat sink bonding, chip scale packages, power semiconductors and potting/encapsulating sensors.

Cutting Edge Formulations

Our 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. Our environmentally friendly systems are available in convenient packaging from small to large sizes.

Outstanding Technical Support

With years of experience in technical support, our team will be able to assess your application and recommend the most suitable polymer system to meet your specifications. We 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. Our 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.

For more information on this source, please visit Master Bond Inc.

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