Qhov zoo tshaj plaws dej kub rau PVC extruder yog nruab nrab ntawm 50 thiab 60 ° C.Lub sawb tau yooj yim tawg yog tias nws qis dhau, thiab nws tuaj yeem yooj yim lo yog tias nws siab dhau.Thaum thawj zaug pib lub tshuab, nws raug nquahu kom ntxiv ib nrab ntawm cov dej kub.Txhawm rau tiv thaiv cov strips los ntawm kev tawg, nws yuav raug thauj mus rau hauv lub tshuab rau lub sijhawm, thiab txiav txiav mus rau hauv granules tom qab dej kub nce mus txog.
Post lub sij hawm: Dec-19-2022