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PET Injection Molding processing condition
PET (Polyethylene terephthalate) Drying and Crystallizing before Injection molding processing It must be dried before molding. PET is very sensitive to hydrolysis. The conventional air heating-dryer are 120-165 C (248-329 F) for 4 hours. The moist...Read more -
Infrared (IR) Dryer for the corn
For safe storage, the moisture content (MC) in the normally harvested corn is higher than the required level of 12% to 14% wet basis (w.b.). In order to reduce the MC to a safe storage level, it is necessary to dry the corn. There are several ways to dry corn. Natural ai...Read more -
How Infrared dryer cooperate with the parallel Twin-screw extrusion line with degassing system?
Infrared drying can significantly improve the performance of a twin-screw extruder because it reduces the degradation of IV value and significantly improves the stability of the entire process. First , the PET regrind will be crystallized and dried in about 15-20 minutes...Read more -
The extruder with Double vacuum station enough to dry the flakes in the process, then no need pre-drying?
In recent years, there are multi-screw extruder system have been established in the market as an alternative to Single – screw extruders with a pre-drying system. (Here we call multi-screw extrudering system including Twin-screw extruders, Planetary roller extruders etc....Read more -
The Energy-saving Packaging Solution—Drying, Crystallizing PLA
Virgin PLA resin, is crystallized and dried to 400-ppm moisture level prior to leaving the production plant. PLA picks up ambient moisture very rapidly, it can absorb around 2000 ppm moisture at open room condition and most of the problems experienced on PLA arise from i...Read more -
Waste plastic granulator production line
The main body of the waste plastic granulator is the extruder system. The plastic granulator is composed of extrusion system software, transmission system and heating and refrigeration system. 1. Transmission system: the function of the transmission system is to push the...Read more -
Common faults and maintenance methods of plastic granulator
The machine will inevitably have faults during use and need maintenance. The following describes the common faults and maintenance of the plastic granulator. 1、 The unstable current of the server causes uneven feeding, damage to the rolling bearing of the main motor, po...Read more -
Why does China Import plastic waste from abroad every year?
In the scene of the documentary film "plastic Empire", on the one hand, there are mountains of plastic waste in China; On the other hand, Chinese businessmen are constantly importing waste plastics. Why import waste plastics from overseas? Why is the "white garbage" that...Read more