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It mainly refers to the preparation and pretreatment of raw materials for non-woven fabric production. PP raw materials can be directly put into production system without pretreatment, while some other raw materials, such as PET, PA, PLA, etc., need to be dried before they can be put into use.
The conveying process includes two processes: sending the "wet slice" (raw material) from the storage place to the drying system for treatment and transporting the dried "dry slice" to the production line for use.
Metering mixture
The function of this process is to mix various raw and auxiliary materials evenly according to the proportion required by the process, enter the production system and transport them to the screw extruder for processing.
Melt extrusion
The function of this process is to process solid raw materials into viscous melt.
Melt metering
The metering function is to provide melt with stable pressure and uniform flow for the spinning device.
Spinning Die Process
This process is to change the high-temperature melt into melt trickle.
On line detection device
The device can dynamically detect the product quality when the production line is running, and the on-line detection device is not the basic configuration of the production line.
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The square meter quality, strength, elongation, hydrostatic pressure, air permeability and width in the technical requirements are factory inspection items The products shall be inspected by the inspection department of the manufacturer and attached with the product certificate before leaving the factory.
Polylactide, polylactic acid, generally shortened to PLA. PLA biodegradable materials refer to a class of natural microorganisms such as bacteria, molds (fungi) and algae caused by the action of degradation materials.
