The standard PREPERM™ grades cover a wide range of dielectric constants from 2.6 to 12.0 and can be injection molded and machined easily.

Injection molding of plaques A Milacron injection molding machine was used to prepare plaques for the measurements of physical properties and adhesion. The barrel temperature of the injection molding machine was set from 180°C to 235°C (360°F to 455°F) and the injection velocity from 15 mm/sec to 65 mm/sec.

With this level of exactness in engineering and machining, it is important to find a toolmaker with LSR skill and experience. http://www.ptonline.com/articles/getting-into-lsr--part-iv-how-lsr-tooling-is-different TPEs Convey Material To Dryer Machine Dry Melt Inject Into Mold Eject FinishedPart Cold Mold Solidifies Material 20+ Seconds LSR A/B Kit Set In Pump Unit Pump To Machine Mix Inject Into Mold Eject FinishedPart Hot Mold Cures Material Post Cure (Optional) Minutes PROCESS COMPARISON Cycle Time PRODUCTION CONSIDERATIONS Thermoplastic elastomers have rapid cooling times and do not require secondary operations or curing agents, which leads to quick turnaround and fabrication.

D’autre part, les Fabricants de T.O. se sont engagés auprès du COTREP, à : - suivre le protocole dans son intégralité ; - réaliser les tests en utilisant les technologies et les paramètres machines représentatifs de ceux utilisés dans les centres de tri actuels et dans des conditions normales d’exploitations.

D’autre part, les Fabricants de T.O. se sont engagés auprès du COTREP, à : - suivre le protocole dans son intégralité ; - réaliser les tests en utilisant les technologies et les paramètres machines représentatifs de ceux utilisés dans les centres de tri actuels et dans des conditions normales d’exploitations.

D’autre part, les Fabricants de T.O. se sont engagés auprès du COTREP, à : - suivre le protocole dans son intégralité ; - réaliser les tests en utilisant les technologies et les paramètres machines représentatifs de ceux utilisés dans les centres de tri actuels et dans des conditions normales d’exploitations.

These methods include: PULTRUSION • Fibers are impregnated with liquid thermoset resins, then pulled through a heated die to cure the resin and form the product • This continuous, automated manufacturing process creates constant cross section profiles of any pre-determined length with consistent, uniform quality and exceptional mechanical performance • Applications include rods and profiles of various lengths and complexities, such as utility poles, insulator core rods and structural beams CONTINUOUS FILAMENT WINDING • Combines the principles of filament winding with pultrusion to create constant or tapered cross- sectional tubing in precision sizes • The unique axial and biaxial fiber orientation provides flexural and tensile strength, as well as crush and burst resistance • Applications include lightweight shelter frames and sporting goods components CONTINUOUS RESIN TRANSFER MOLDING (CRTM™) • Engineered core materials are sandwiched between structural composite laminate face sheets • Continuous composite sandwich panels feature high specific strength and stiffness-to-weight ratio • Applications include ballistic resistant panels, truck floors and rail car doors CONTINUOUS FIBER REINFORCED THERMOPLASTICS • Fully recyclable tape, X-Ply™ (0°/90°), and other multi-ply configurations with widths up to 10' wide • Sandwich panels in unlimited lengths, up to 6" thick and 10' wide • High volume production capacity • Applications include structural and aerodynamic components in transportation, and reinforcement of materials such as wood and metal THERMOSET COMPOSITE LAMINATES & BARSTOCK • Unidirectionally reinforced barstock, laminates and hybrid composites engineered to maximize deflection and fatigue resistance • Customizable shapes and sizes • Applications include archery bow limbs, flat springs, prosthetics, sporting equipment THERMOSET FINISHING OPERATIONS • Customized finishing capabilities for barstock and laminates including machining, water-jet cutting, profiling/shaping, sanding, slitting, laminating, molding and coatings TESTING CAPABILITIES • Mechanical – Flexural, tensile, compression, shear, fatigue, impact resistance • Physical – Specific gravity/density, Barcol hardness, water absorption, void content, resin/fiber content, dye penetrant, viscosity • Thermomechanical – Coefficient of linear thermal expansion, glass transition temperature, deflection temperature, degree of cure, curing properties • Electrical – High-voltage, low current dry arc resistance of solid electrical insulation, dielectric strength, water diffusion ABOUT AVIENT ADVANCED COMPOSITES The Avient advanced composites portfolio consists of Glasforms™, Gordon Composites™ and Polystrand™ branded materials.

  • Stable and controlled dielectric constant - from 2.6 to 23 • Very low losses even at mmWaves • Isotropic material - no glass fibers • Can be injection molded and machined APPLICATION BULLETIN STABLE RF PROPERTIES OVER A WIDE FREQUENCY RANGE 0 ,0 2 ,0 4 ,0 6 ,0 8 ,0 1 0 ,0 1 2 ,0 0 1 0 2 0 3 0 4 0 5 0 6 0 D ie le ct ri c co n s ta n t F re que nc y [G H z ] P R E P E R M ® P P E 95 0 P R E P E R M ® P P E 80 0 P R E P E R M ® P P E 44 0 P R E P E R M ® P P E 32 0 P R E P E R M ® P P E 26 0 LOW LOSSES UP TO mmWAVE FREQUENCIES* BATCH-TO-BATCH STABILITY DURING PRODUCTION * Measurements performed at VTT Technical Research Centre of Finland Ltd in 2018.

They are metered into the PET stream just above the feed throat of the injection molding machine or extruder, using a Avient supplied ColorMatrix liquid metering system.

The preferred approach is with the blender mounted above the feedthroat of the molding machine.