3D Printing Glue Strength Guide

This 3D Printing Glue Strength Guide was built due to questions we have repeatedly gotten from customers over the years when they are planning to glue 3D Printed parts they have sourced from us together after they receive them. The most common questions are:

In order to do this testing we printed the same base part in a large number of the most common materials we produce parts in for our customers:

The glue joint design that was settled on was one that is considered a worst case scenario from a strength perspective, its called a butt joint. The flat area that made up the butt joint was .1″ wide, this is a common thickness we see for these types of joints and also acts as a worst case scenario due to its small size. For a look at other types of glue joints that are much stronger check out our HP Multi-Jet Part Design Guide and look at the section titled: “Glue Joints”.

We put both of these questions to the test with a collection of tensile strength pull tests designed to come up with an approximate breaking force for each combination of materials. Check out the following video and table to see the results:

3D Printing Glue Strength: Adhesive Recommendation

Based on our research prior to filming this test we narrowed down the best all around glue to Loctite HY4070. It had the best average holding power across all of the different material and printing processes we tested it on verse other epoxies and super glues. This glue is also commonly available and can be found on amazon.com.

3D Printing Glue Strength

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