■Description
Broken edges appear in the inner diameter under low pressure on the surface of the seal.
■Contributing factors
Excessive compression
The seal of poor quality or low hardness
The seal is larger than the groove
The groove is irregular or sharp
There is gap on the surface of seal
■Recommended improving method
Adopt the seal of good quality or higher hardness
Proper design of the groove
No cheating on workmanship and materials during processing of the seal
Carefully select the seal, and never buy products that are too cheap