What does "13 silk" in vacuum packing bag mean?
The wire unit is 1/1000 points, the general use vernier caliper, micrometer, gauge with smaller, can be measured. According to the determination, a hair diameter of about five to seven silk (ie 0.05 ~ 0.07), "a trace" is a very small unit. The wire is called the habit of CMM, and other transformation between the length of the unit is:1 mm = 100 wire (tract)1 =10 =0.1 decimillimeter centimillimeter micrometer wire =1 =0.01 mm =0.001 cm =0.00001 meters
The vacuum packing bag 13 silk refers to the vacuum packing bag's thickness is 0.13 millimeters.
Silk is a mechanical worker, commonly known as "0.01 millimeters", the workers who have inherited the technology of Shanghai say "silk", and in the north they say "0.01 millimeters" as "Dao".
