What shape Shi blockade Seal

Shi blockade seals now use more and more of this stuff, and now the container is expressly provided that the seals must be used to impose a blockade. However, there are still many friends did not seen the seals Shi blockade, but do not know Shi blockade seals mainly refers to what to do with, and their role can not say here, in front have talked a lot, this is mainly talk about Shi blockade seals What are the different shapes.waterproof labels
Shi blockade seals with a variety of different shapes, in different places with different shapes Shi blockade will seal.
1 Container Shi blockade is an octahedral rectangular seals, there is a steel wear sideways into a circle.
2, there are two shaped sealing water, that is, there are two different water seal Shi blockade, one is rectangular, and the other is circular.
3 plastic seal Shi is a rectangular block this sliver of wear.
4 electronic seal is circular.cable tie markers