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PVC double wall corrugated pipe
PVC double wall corrugated pipeAs a light pipe, PVC double wall corrugated pipe is composed of inner and outer layers. The inner wall is smooth and the outer wal…
Company news 348 2022-05-24
PVC / SBS blend modified bellows
PVC / SBS blend modified bellowsWith the rapid development of urban and rural construction market, the market sales volume of PVC bellows for construction is als…
Company news 368 2022-05-23
High speed optical control sealing and cutting bag making
High speed optical control sealing and cutting bag makingHigh speed optical control sealing and cutting bag making machine is set up according to the demand for …
Company news 351 2022-05-21
Inner guide cylinder composite
Inner guide cylinder compositeInner guide cylinder composite is to make three different substrates into a cylinder without middle seam composite. It has the adva…
Company news 420 2022-05-20
Extrusion composite process
Extrusion composite processIn the production process of extrusion compounding, the base material is fed between the double silicon cots, and the molten mucosa is…
Company news 372 2022-05-19
Plastic mesh bag
Plastic mesh bagThe cylindrical mesh woven cloth is mainly used as the packaging bag of various vegetables and fruits, as well as the wind screen. After coating,…
Company news 386 2022-05-13
Manufacturing technology of plastic woven bag
Manufacturing technology of plastic woven bag1、 Linear density, linear density deviationRelative tensile strength, elongation and linear density are the measure…
Company news 363 2022-05-12
Blown film forming process
Blown film forming process1. Process flowThe film produced by blow molding method is commonly known as blow molding film, which is referred to as blow film for s…
Company news 394 2022-05-11
Moulding of polyurethane foam
Moulding of polyurethane foamThe molding process of polyurethane foam and the preparation stage of raw materials are basically the same as that of block foam. Th…
Company news 388 2022-05-10
Preparation of foaming agent
Preparation of foaming agentBubble mechanism: when gas is suspended in liquid or solid, it becomes bubble. Many bubbles gather together and are isolated from eac…
Company news 368 2022-05-09
Viscoelasticity of plastic melt
Viscoelasticity of plastic meltPrevious experimental results have shown that when the plastic melt containing foaming agent passes through the die channel, the p…
Company news 379 2022-05-07
Factors affecting bubble expansion
Factors affecting bubble expansionThere are many factors affecting bubble expansion in liquid, which can be divided into two categories: one belongs to raw mater…
Company news 354 2022-05-06