The main factors affecting the extrusion process of low foaming hard PVC profiles

The main factors affecting the extrusion process of low foaming hard PVC profiles are extrusion temperature, residence time and extrusion pressure.1 extrusion te…

Company news 445 2019-11-02

Application of PE foam on packaging

Application of PE foam on packaging1 For foaming ratios greater than 5, it is mainly used for cushioning shockproof cushion materials for precision instruments, …

Company news 503 2019-11-01

Production method of gas phase antirust film

Production method of gas phase antirust filmThe gas phase rust preventive film is composed of a rust preventive film and a vapor phase corrosion inhibitor. As th…

Company news 462 2019-10-31

Styrofoam molding

Styrofoam molding(1) Pre-expansionThe use of EPS beads to produce PS foam plastics must first be pre-expanded. When preparing a higher density foam, the pre-foam…

Company news 442 2019-10-30

Properties and uses of polycarbonate films

Properties and uses of polycarbonate filmsPC uses the inflation method and extrusion casting method to produce a film for packaging. The film has the inherent ch…

Company news 461 2019-10-29

Characteristics and uses of heat-resistant packaging film (fluororesin film)

Characteristics and uses of heat-resistant packaging film (fluororesin film)The film for heat-resistant packaging refers to some packaging films with a heat resi…

Company news 431 2019-10-28

The role of three-roll nip type coating compound machine for flexible packaging

The role of three-roll nip type coating compound machine for flexible packagingThe three-roll nip type coating machine for flexible packaging has many functions:…

Company news 472 2019-10-25

Features of screw dispensing die suitable for extrusion of wide expanded foam sheets

Features of screw dispensing die suitable for extrusion of wide expanded foam sheetsAt present, the die which can continuously produce low-foamed sheets has a pr…

Company news 453 2019-10-22

Extrusion coating composite bonding device

Extrusion coating composite bonding deviceGenerally speaking, the pressure roller for extrusion coating is a rubber roller with a diameter of 100 to 200 mm. If t…

Company news 461 2019-10-21

Co-extruded composite die

Co-extruded composite dieThe co-extruded composite die has multiple manifolds (multimanifold), namely MM mode and feed block mode (Feedblock), that is, FB mode. …

Company news 407 2019-10-18

Process conditions and process control for the production of PET sheets

Process conditions and process control for the production of PET sheets(1) Dry. PET resin is a highly water-absorbing polymer, and the polycondensation reaction …

Company news 418 2019-10-17

Tensile properties of stretched film

The tensile properties of the stretched film can be characterized by the following parameters:(1) Elongation at breakLongitudinal elongation at break Longitudina…

Company news 458 2019-10-16