Adhesive Knowledge

Why the hot melt glue will be bubble when operate?

Sometimes, we often met some problems when use hot melt glue,such as yellowing,break,smoky,drawbench…,Today,I want to share with you one experience: what's the reason for bubble when use hot glue?
Normally,you can adjust it from below points,and to solve the problem.
1) The glue is not well produced,and fill some air in it.
2) The glue become wet.Maybe your stock condition is suitable,or too long storage time,or open and touch air too long time.
3) The temperature of operation is too high.

Hope can help you a little. Welcome to learn more about out company.