Knowledge

17Feb, 2025

The area subject to the highest pressure during the extrusion process
The area subject to the highest pressure during the extrusion process is the section where the molten material transitions into the final product, near the die head.
17Feb, 2025

Changes in Plastic Granules During the Extrusion Process
The extruder heats the plastic to a viscous flow state. Under pressure, the plastic is forced through a die of a specific shape, becoming a continuous body with a cross-section sim
17Feb, 2025

Extruder
Currently, due to different manufacturing processes and formulations, plastic pipes available in the market cannot effectively control the hygienic properties, dimensions, elongati
15Feb, 2025

Production Equipment for Lined Composite Pipes
The production equipment includes extruders (specifically subdivided into hot extruders), crawler tractors, vacuum cooling setting machines, and fixed-length cutting machines. Addi
15Feb, 2025

Forms of Pretreatment
Generally, there are two commonly used forms of pretreatment for lined composite pipes: brushing and sandblasting. Chemical derusting is also a possible method; however, due to the
15Feb, 2025

Pretreatment of Lined Composite Steel Pipes
(1) Pretreatment can remove contaminants, oxide scales, welding slag, and other impurities from the inner wall of steel pipes. It also prepares the inner surface of the steel pipe
15Feb, 2025

Production Materials for Lined Composite Pipes
(1) Metal Pipe Materials: Common metal pipe materials include seamless steel pipes, hot-dip galvanized steel pipes, copper pipes, cast iron pipes, or fiberglass-reinforced plastic
15Feb, 2025

Characteristics of Lined Composite Pipes
They possess both the high mechanical strength of metal pipes and the corrosion resistance, antioxidant properties, heat insulation, and thermal preservation characteristics of pla
14Feb, 2025

Production Method of Plastic-lined Composite Pipe
The production method of plastic-lined composite pipe primarily involves combining a plastic pipe with a metal pipe (such as steel pipe or aluminum alloy pipe) through physical or
14Feb, 2025

Plastic-lined Composite Pipe
The process of manufacturing plastic-lined composite pipes involves inserting a plastic pipe into a steel or aluminum alloy pipe and then adhering the plastic pipe to the metal pip
14Feb, 2025

Application Areas of Steel-Plastic Composite Pipes
Urban Water Supply and Drainage Systems: They can meet the requirements of urban water supply and drainage systems, convey different media such as clean water, sewage, and rainwate
14Feb, 2025

Production Process of Steel-Plastic Composite Pipe
Hot Dip Coating Process: Utilizing fluidized bed dipping, this one-step film formation method is also known as anti-corrosion treatment for steel-plastic composite pipes, with poly

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