Parameter Features Water and oil proof The machine used in the processing of plastic particles melts them and applies them on the surface of the original kraft paper, creating a film. This process, known as hot melt coating, ensures that the plastic is se
This 2 layer stretch film machine group is a cast stretch film machine group with high-plasticizing, easy operating, long-life, energy saving and it's modified and designed on the years' experience and we use a screw with a length-to-diameter ratio of 33:
Elastic earloop is made of polyester and spandex. It used in face mask.The elasticity of the earloop is very good, and it is also very soft and comfortable to use.
Spring energized PTFE seals perform reliably in a variety of applications where conventional elastomeric seals fail due to chemical attack, extreme heat or cold, friction, extrusion or compression set.