
Why Glass Food Container Lids Fail: How Buyers Can Evaluate Clip Durability and Fatigue Life?
When we walk through our injection molding department, the sound of rhythmic clicking isn’t just background noise—it is the sound of our “Lid Torture Chamber” in action. As one of the leading glassware manufacturers, we have seen that a perfect borosilicate base is useless if the lid clips snap after just three months of use.








