Email format error
Email cannot be empty
Email already exists
6-20 characters(letters plus numbers only)
The password is inconsistent
Email format error
Email cannot be empty
Email does not exist
6-20 characters(letters plus numbers only)
The password is inconsistent
This tester is used to examine the cracking degree for upper and light leather. Using the clamping ring and cap to clamp round specimen periphery and the steel ball to press against the center of the flesh side of the specimen with the speed of 12 mm/min,Whilst the prssure reaches 800N. the distension height is recorded as the cracking value.