Determine the specifications. The specifications (thickness, width, mechanical or manual) of the plastic-steel packing belt are selected according to the use, weight and volume of the packaged goods. If the heavy cargo chooses a strap with a relatively small width and thickness, it will cause the risk of bulk loading of the heavy cargo. If you choose a packing tape with a large width and thickness for light goods, it will cause waste and increase the packaging cost. Here is a formula for reference - Tension at break = width * thickness * bag level tension.
Determine the manufacturer's qualifications. Now the packaging belt production market is mixed, and the stability of the products varies greatly.