FEP heat shrinkable tube for the embryonic tube molding process, the steps of the process and PTFE heat shrinkable tube is basically the same, but the conditions are completely different. FEP heat shrinkable tube molding process, the choice of the resin's melt index of 0.5 ~ 2; extruder molding machine head temperature 295 ~ 310 ℃ in front of the temperature of the back of the temperature of 275 ~ 285 ℃; extrusion rate of 0.3 ~ 0.7kg / h, the tubing Blow-up rate can reach 40%~100%; for example, when using Teflon
FEP100 extruded pipe, the temperature of the feed section of the extruder barrel is about 300℃, and the temperature of the discharge section is about 295℃; when using TeflonFEP160
resin, the temperature of the feed section of the extruder barrel is about 305~310℃, and the temperature of the discharge section is about 290~305℃. 305℃.
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