40KG polypropylene plastic woven bag

manufacture method:

Flat wire process, also called yarn process, it is the first step of plastic woven fabric production, which is the most important procedure.

Including: material modification, blending, coloring, filling, preparation, prevent aging, prevent degradation problems, extrusion process of temperature, pressure, flow regulation control and extrusion rheological behavior of the process, power consumption, yield, than the drafting process, blowing ratio, draft ratio, cooling crystallization, orientation, finalize the design problem, heat treatment in the process of winding molding and quality test of some technical problems.

Flat wire production process there are two points by a film forming method, membrane tube membrane peace, according to the film cooling after points a, air cooling and water cooling and cold, according to the drafting of heating with hot plate, hot roll, hot air, according to some winding molding have, concentrated cycloid winding, single spindle torque motor winding, magnetic torque winding.

Low price PP sand bag

Material:Plastic, 100% new virgin PP and PE

Quick Response- All enquiries on pp woven bags will be replied within 5 Days.

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Quality-We welcome commodity inspection by customers or third party,