"二合一黏合剂" can be translated as "2-in-1 adhesive" or "two-component combined adhesive" (if emphasizing the combination of two functions or components in a single product). The choice between these may depend on the specific context or the intended emphasis of the description:
2-in-1 adhesive: This is a straightforward and commonly used term to describe a product that combines two functions or types of adhesive in one. It's concise and easy to understand.
Two-component combined adhesive: This phrase emphasizes that the adhesive is composed of two components or has two functions combined. It might be more appropriate if you want to highlight the technical aspect or the combination of different properties in the adhesive.
In most cases, "2-in-1 adhesive" would be sufficient and more commonly used in everyday or commercial contexts.