The ball joint is a part that connects the arm to the knuckle, which can be damaged by movements that exceed its original specification.
Pull-out test measures the extent to which the ball can stand external pulling force and remain assembled.
Low pull-out strength score means that the ball can be easily pulled out of the ball joint assembly, so is of lower quality.
A recent article on Dvizhok1) found that a CTR ball joint shows higher score than five other brand products in a comparison test that was conducted at an independent testing lab.
Find out the excellence of CTR products at the link below!
Winning the Pull-out strengh performance