Custom rubber extrusions are made to be small size flexible strips or large size straight bars/profiles,often made by EPDM,silicone rubber etc, the finished products series are
1.Raw material preparation–compoundingMix all raw materials to a certain proportion except ultra accelerator and vulcanizator,for the first stage mixing:banbury internal mixing. Most of the rubber extrusions requires two stage mixing/plastication:
Notes:
second stage open mixing-epdm rubber mixer machine
extrusion die moulds and its cross section shapes
rubber extrusions manufacturing vulcanization equipment rubber extrusions assembly line
small size rubber extrusions-flexible rubber strip packed in rolls Large size extruded rubber items are not easy to bend,it is more like straight bars,we often call them “rubber profiles”,rubber extrusions profiles are usually cut into centain length bars,such as anti-collision rubber profiles; large size rubber extrusions-straight bar profiles cut into certain length 7.Or deep processing as per clients’ special requirement below:
angle acjacent moulds for extruded rubber seals 8.Required Properties for Automotive rubber extrusionsWorking conditions of automotive rubber seals are required strictly conditional especially for weathering aspect,the service life of the finished product are up to the performance index of rubber extrusion items. Important parameters of automotive rubber extrusions:
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