# 5.2.1.7 Surface Energy

> From: LOCTITE®X Digital Manual for Bonding (https://www.loctitex.com/en/manuals/bonding/5.2.1.7-surface-energy/)

##### 5.2.1.7 Surface Energy

The surface energy of the substrates should be a primary consideration when choosing a bonded assembly. For a comprehensive review of surface energy and polarity, see Section 4.