Toughened One Part Epoxy Withstands Thermal Cycling

July 7, 2022

Master Bond EP17TF is a one part epoxy with a paste consistency, that can be readily dispensed evenly and uniformly. It has a moderately high glass transition temperature (Tg) of 150-155°C and a wide service temperature range from -150°F to +550°F. Designed to compensate for thermal mismatches, this compound resists impact, vibration, shock and rigorous thermal cycling.

EP17TF is a reliable electrical insulator, possessing a volume resistivity greater than 1015 ohm-cm and a dielectric constant of 4.5 at 60 Hz at room temperature. It maintains its electrical insulation properties, even at higher temperatures. The system has good toughness with an elongation of 5-10%. EP17TF exhibits superior strength properties, bonding well to similar and dissimilar substrates such as metal, ceramics, plastics and composites. It offers a high lap shear strength of 3,200-3,400 psi, a tensile strength of 8,000-9,000 psi and a tensile modulus of 350,000-400,000 psi at 75°F.

EP17TF requires an elevated temperature cure of 300°F for 5-6 hours, followed by a post cure at 350°F for 4-5 hours. The additional post cure is recommended to achieve optimal strength, chemical resistance and thermal properties. EP17TF withstands many chemicals, including acids, bases, fuels, oils and many solvents. It is available in standard packaging from ½ pint containers up to 5 gallon pails. Containers should be refrigerated to extend shelf life.

Request a technical data sheet

Request a safety data sheet

Discuss your application

Learn More

Sponsored Recommendations

How to Tune Servo Systems: The Basics

April 10, 2024
Learn how to tune a servo system using frequency-based tools to meet system specifications by watching our webinar!

How Precision Motion Systems are Shaping the Future of Semiconductor Manufacturing

March 28, 2024
This article highlights the pivotal role precision motion systems play in supporting the latest semiconductor manufacturing trends.

Case Study: Medical Tube Laser Processing

March 28, 2024
To enhance their cardiovascular stent’s precision, optimize throughput and elevate part quality, a renowned manufacturer of medical products embarked on a mission to fabricate...

Melles Griot® XPLAN™ CCG Lens Series

March 19, 2024
IDEX Health & Science sets a new standard with our Melles Griot® XPLAN™ CCG Lens Series fluorescence microscope imaging systems. Access superior-quality optics with off-the-shelf...

Voice your opinion!

To join the conversation, and become an exclusive member of Laser Focus World, create an account today!