TAPE APPLICATION
Application of a temporary protective film to preserve the surface finish of the profile during transport.
COOLING TANK
Water tank used to solidify the molecular structure and stabilize the profile at room temperature.
HAUL-OFF UNIT
Motorized unit ensuring constant and synchronized traction to maintain dimensional accuracy.
DRY CALIBRATION
Cooling of the profile through direct contact with the cooled metallic walls of the calibrator.
VACUUM CALIBRATION
Technique using vacuum to press the material perfectly against the walls of the
MINERAL FILLERS
Additives incorporated into the resin to modify rigidity or optimize the mechanical properties of the profile.
BOWING / WARPING
Undesirable longitudinal deformation of the profile, often caused by asymmetrical cooling.
SHEAR
Mechanical action generating internal heat essential for the homogeneous melting of the polymer.
CO-EXTRUSION
Technique allowing the simultaneous combination of several different materials or colors within a single profile.
COMPOUND
Specific mixture of resin and additives formulated to meet the exact technical requirements of a project.
CALIBRATOR
Calibration device ensuring that the exact dimensions of the profile are maintained during its cooling phase.
CONTAMINATION
Presence of foreign particles or burnt materials altering visual or mechanical properties.
TORQUE
Measure of the material’s resistance to screw rotation, serving as a key indicator of process stability.
EXTRUSION THROUGHPUT
Quantity of material processed per unit of time, determining the productivity of the production line.
DEGASSING / VENTING
Extraction system for gases and moisture to guarantee the structural homogeneity of the profile.
SCREW-TO-BARREL CLEARANCE
Critical space between the screw and the barrel directly influencing the efficiency of material mixing.
DRYING / DESICCATION
Drying operation of granules prior to extrusion to prevent surface and structural defects.
EXTRUDER
Industrial machine ensuring the melting, mixing, and pressurization of the raw material.
EXTRUSION
Continuous shaping process consisting of pushing a malleable material through a die to create a profile.
EXTRUSION DIE
) Precision steel tooling determining the final geometry of the profile as the material passes through.
BARREL
Heating cylinder housing the screw and providing the thermal regulation necessary for polymer melting.
DIE SWELL
Elastic expansion of the material at the exit of the tooling, anticipated during the die design phase.
BREAKER PLATE
Perforated plate used to straighten the material flow and hold the screen packs in place.
HYGROSCOPY
Ability of certain materials to absorb ambient moisture, requiring prior thermal drying treatment.
LUBRICANTS
Agents facilitating the flow of material and improving the final surface appearance of the profile.
INKJET MARKING
High-definition printing ensuring in-line traceability and identification of products.
MASTERBATCH
Concentrate of pigments or additives added to color or modify the properties of the material.
SCREEN PACK
Metal wire meshes intended to stop impurities and homogenize back-pressure inside the barrel.
FOIL LAMINATION / WRAPPING
Hot application of a decorative or protective film onto the visible surface of the extruded profile.
ORANGE PEEL
Appearance defect characterized by a grainy surface, generally due to poor thermal regulation.
DISTRIBUTION PLATE / MANIFOLD
Internal element designed to uniformize pressure and material flow across the entire cross-section.
PUNCHING
Mechanical drilling or punching operation carried out automatically in-line to functionalize the profile.
POLYAL
Sustainable material derived from the recycling of food cartons, perfectly combining polyethylene and aluminum.
SURGING
Instability of the material flow leading to cyclic variations in the thickness of the finished product.
MELT PRESSURE
Force exerted by the molten material before entering the die, guaranteeing the stability of the profile.
RECYCLED PVC
Regenerated material offering a high-performance, eco-responsible alternative to virgin PVC.
STRAIGHTNESS
Measurement of the longitudinal alignment of the profile, essential for high-precision applications.
FLYING SAW / TRAVELLING SAW
Automated cutting device allowing precise cutoff without interrupting the extrusion line.
SHARKSKIN
Surface roughness in the form of micro-ridges appearing when the extrusion speed is too high.
UV / THERMAL STABILIZERS
Additives protecting the profile against degradation linked to heat and solar radiation.
RESIDENCE TIME
Duration during which the polymer material remains exposed to heat and pressure inside the machine.
CROSSHEAD DIE
Device allowing extrusion at 90° relative to the machine axis, ideal for sheathing and jacketing applications.
DIE HEAD
Junction piece guiding and distributing the flow of molten material toward the shaping tooling.
GEOMETRIC TOLERANCE
Maximum allowable deviation from nominal dimensions to ensure proper final assembly.
TPE / TPU
Thermoplastic elastomers used for manufacturing flexible profiles or sealing gaskets.
HOPPER
Feeding reservoir ensuring storage and consistent distribution of granules at the extruder inlet.
EXTRUSION SCREW
Internal component whose rotation transports, compresses, and homogenizes the raw material.
VISCOSITY
Resistance to flow of the molten material, a determining parameter for output consistency.
TWISTING
Axial rotation of the profile caused by internal stresses or poor line alignment.
FEED ZONE
The first section of the screw dedicated to conveying solid granules toward the heating zones.
