Welex is the United States' leading exporter of extruders.
They have been active in South Africa for almost thirty years.
Practically every yoghurt cup produced by thermoforming has its origin in
Welex sheet extrusion.
MARK III High Performance Extruders
Sheet Take Off
World Standard
Co-Extrusion
MARK III High Performance Extruders
Sheet Take OFF
World Standard Sheet Lines
World Standard sheet lines are the most complete, high performance, reliable sheet lines money can buy. We offer them as complete pre-packaged systems in 3 sizes: with a 3½" (90mm), 4½" (120mm), or 6" (150mm) extruder, to produce just the capacity you need. Each includes a Welex Mark III extruder with powerful precision motor, digital controls, vacuum venting, screen changer, gear pump, static mixer, and a flexible lip die. Your extruder can be equipped with the computer designed screw of your choice, including the exclusive Welex Universal screw for HIPS, PP, and vented PET. This avoids the need for screw changes.
The take-off features three hard surface polishing rolls with flawless mirror chrome plating, designed for the highest efficiency heat transfer. Each roll is equipped with an individual, built-in, high volume pressurised water temperature control system. The World Standard take-off also includes edge-trimming and an integral two shaft winder.
The smaller line includes an edge trim winding system. The larger lines incorporate centerless turret winders for ease of high speed operation.
Co-Extrusion
Welex were first in co-extrusion which they pioneered in 1967.
Co-extrusion is the simplest method of producing multi-layer sheet to produce:
Barrier sheet
Multi-colour sheet
High gloss polystyrene sheet
Refrigerator sheet
Scrap encapsulation
Welex can offer single source responsibility for a complete co-extrusion system based on in-house technology.
Lines have been built with up to 8 extruders, each running a different material.
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