pa12 raw material Description
multicore cable core outer diameter +3.0mm; (2) core thickness is 1.2mm; (3) length of core segment is 35mm; (4) inner diameter of die is outer diameter of core +1.5mm; (5) length of die bearing segment is 30mm. 1.5.2 Selection of Extrusion Temperature Table 2 and Table 3 respectively list extrusion temperatures of φ120 and φ150 extruders (for reference only). When pa12 raw material is extruded, screw should be used at a low speed. In particular, screw speed of �150 extruder should be lower, orwise extrusion will be unstable, and jacket will produce "bamboo" or breakage in severe cases. 2 Matters needing attention when extruding pa12 raw material sheath 2.1 Coloring of nylon 12 Since pa12 raw material we use is a colorless natural color material, to make it into a black sheath material, it is necessary to add an appropriate amount of carbon black or black color masterbatch. grain. When an appropriate amount of carbon black is added, wher dispersion of carbon black is uniform will directly affect surface quality of extruded sheath. According to experience, use of black masterbatch or addition of appropriate amount of carbon black on φ120 extruder can achieve better appearance quality, but on φ150 extruder, due to difference between screw and barrel, carbon black dispersion often occurs. Unevenness causes quality defects such as granules, pitting and even holes on surface of pa12 raw material sheath. refore, it is best to use pigmented black pa12 raw material raw material supplied by manufacturer. Since it's sheath is mainly used for special purposes such as moisture proof and termite prevention, appearance quality must be guaranteed. 2.2 pressure of extrusion equipment should not be too large.
pa12 raw material show
pa12 raw material properties
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