How many grid ratios does the grid have

Recently, a customer has inquired about how many grid ratios the grid has? Today I will explain to you
Ratio: also known as grid ratio, grid ratio, it is the ratio of lead bar height to lead bar gap, expressed by R
The commonly used grid ratios are 6:1, 8:1, 10:1, 12:1, 14:1, etc. The specific grid ratio should be determined according to the needs of customers.
Seeing here, you know how many grid ratios the grid has and how to recover it.

Author：Lillian