| Message: | Plastic blind drain is also called blind ditch or under drain. It is made of plastic core and outer filtering cloth. Plastic core body is a thermoplastic synthetic resin as the main raw material, after modification, in the melt state, through the nozzle pressed thin plastic wire strip, by forming device for extruded plastic wire in contact welding to form three-dimensional network structure. What's more, it has many shapes, including rectangular shape with many holes, rectangular shape with empty center, rectangular shape with double empty centers, round shape with many holes, round shape with empty center and many other structural forms.
The plastic blind drain overcomes the disadvantages of the traditional blind ditch. With some advantages of good drainage, excellent pressure resistance, lightweight, good flexibility, greatly reduce the labor intensity of workers, and construction efficiency. Therefore it has been widely welcomed by the most engineering projects, such as, highway and roadway subgrade, retaining wall, landfill, roof garden, building foundation, underground irrigation and so on.
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