News

2021/4/5
Why does the loud noise happen when the sheet machine is working?

Analysis of the cause of large noise in the plastic sheet machine at work: (1) Motor parts 1. The rolling bearing for the rotor shaft is severely worn or the bearing accuracy is low. 2. The...

2021/4/5
Film stretching and its physical properties

The tenter method usually belongs to the multi-stage biaxial stretching method, while the double bubble tube film method belongs to the simultaneous biaxial stretching method. One can compare the p...

2021/3/23
What is POE?

1. What is POE elastomer POE in a broad sense refers to polyolefin elastomers made by copolymerizing ethylene a olefins such as ethylene-octene copolymers, ethylene-butene copolymers, ethylene-hex...

2021/3/16
SUMINO BIODEGRADABLE PLASTIC EXTRUSION AND LAMINATING MACHINE IS SUCCESSFULLY TESTED!

SUMINO BIODEGRADABLE PLASTIC EXTRUSION AND LAMINATING MACHINE IS SUCCESSFULLY TESTED! Degradable plastic refers to a kind of plastic whose products have various properties that can mee...

2021/1/28
How to optimize the product quality of PET film?

1. Bowing phenomenon At the entrance of the tenter, the transverse traction film is straight, and at the exit of the cap puller, the film star has the same curved shape. The bowing phenomenon cause...

2021/1/22
The main properties of PET film

1. Mechanical properties (1) Stretchability The tensile strength, elongation, elastic modulus and stress at 5% of the PET film. The tensile properties of PET film vary significantly with pro...

2021/1/18
Horizontal and vertical stretching of biaxial stretching

1. Longitudinal stretch The longitudinal stretching process includes heating and stretching the non-oriented cast substrate in the longitudinal direction so that the molecular chains are aligned in...

2022/4/8
PET biaxial stretching step stretching process

Stepwise biaxial stretching (LD¡úTD stretching) As mentioned in the past, simultaneous biaxial stretching is not suitable for the production of PET film. Most PET films are produced by a stepwise biaxi...