The core parts of filter media are engineered structures produced from PP meltblown nonwoven material.

APPLICATIONS Avient’s light stabilizers are suitable for PP, PET and PA fibers used in a wide range of applications including carpeting, upholstery, automotive textiles, artificial turf, awnings, marquees, blinds, sunshades, covers, tents, sun loungers and garden furniture.

Improve color usage efficiency with increased pigment density • Drop-in solution compatible with your current process • Incorporate higher loadings of PCR while maintaining color design aesthetic TARGET MARKET AND APPLICATIONS Compatible with: • PE, PP or PET multi-layer containers • Extrusion blow molding • Injection molding (caps and closures) PRODUCT BULLETIN NO SURPRISES PLEDGESM At Avient, we are committed to helping you grow your business with safe and environmentally sound solutions.

Avient's Foaming Prediction Service Predict foamed part behavior and maximum weight reduction Watch to learn how Cesa™ Unify™ A4R helps bring incompatible polymers, such as PP and PE, together by forming them into a homogenous polymer mixture that increases mechanical properties based on polymer modification.

Base Resin ABS PA PBT PC PE PEEK PP PPS Barrel Temperatures °F (°C) Rear Zone 400–475(200–250) 480–540 (248–282) 480–520 (250–270) 480–570 (250–300) 400–445 (200–230) 660–700 (350–475) 400–440 (200–225) 520–600 (270–300) Center Zone 410–480(205–253) 490–550 (254–287) 485–525 (251–273) 500–580 (260–305) 410–455 (207–237) 670–710 (357–385) 410–450 (205–230) 550–610 (285–310) Front Zone 420–490(210–257) 500–560 (260–293) 490–530 (254–276) 515–590 (267–310) 420–465 (213–243) 680–720 (363–400) 420–455 (215–235) 570–620 (300–320) Nozzle 425–500(215–260) 510–570 (265–298) 490–540 (254–282) 530–600 (275–315) 430–475 (220–250) 700–730 (370–395) 430–460 (220–240) 610–620 (320–325) Melt Temperature 425–515(215–270) 510–570 (265–298) 490–540 (254–282) 530–615 (275–325) 430–495 (220–260) 700–725 (370–385) 430–475 (220–250) 610–635 (320–335) Mold Temperature 140–200(60–90) 150–300 (65–148) 140–280 (60–137) 160–240 (70–115) 80–140 (25–60) 300–400 (150–200) 80–140 (25–60) 190–300 (90–150) Drying Parameters 190 (90) 2–4 Hours 0 .01%–0 .15% 180 (82) 4–5 Hours 0 .10%–0 .20% 275 (135) 3–4 Hours 0 .02%–0 .04% 250 (125) 3–4 Hours 0 .02% 160 (70) 2 Hours 300 (150) 3–4 Hours 0 .10% 160 (70) 2 Hours 280 (135) 2–3 Hours 0 .01%–0 .20% Nozzle Type General Purpose Nylon or Reverse Taper General Purpose General Purpose General Purpose General Purpose General Purpose General Purpose Injection Velocity1 2–5 in/sec; 50–127 mm/sec Injection Pressure 1,000–2,000 psi; 7–14 Mpa Back Pressure 50–100 psi; 0 .3–0 .7 Mpa Screw Speed 25–75 RPM Cushion 0 .125–0 .250 in; 3–6 mm Screw Compression Ratio2 2 .0:1–2 .5:1 Comments 1 . Venting Guidelines by Resin • PC: .001"–.002" depth & .250" width • PC/PSU: .002"–.003" depth & .250" width • PES: .003"–.004" depth & .250" width • PEI: .001"–.003" depth & .250" width • PP: .001"–.002" depth & .250" width • ABS: .0015"–.0025" depth & .250" width • PEEK: .002"–.004" depth & .250" width FIGURE 40 - Venting Guidelines Vent Groove Vent Land Vent FIGURE 44 - Venting guidelines FIGURE 43 - Venting areas 20 Gravi-Tech CHAPTER 5 | PROCESS OPTIMIZATION Process optimization ensures a quality process and minimizes cycle time. DEFECTS Design Guide 37 SOURCES Mold Machine Material Process Hot spots Improper cooling Venting plugged Leaking check ring Barrel too hot Contamination Too hot No cushion Hold pressure too low Melt temperature too high Reduced transfer position Back pressure too low RECOMMENDED ADJUSTMENTS Check venting Add a flow leader Insure cushion position Insure proper screw recovery Add a foaming agent Increase hold pressure Increase hold time Reduce injection speed Reduce melt temperature Reduce mold temperature Increase mold temperature Sink Root cause: Material is shrinking away from mold surface . 38 Gravi-Tech SOURCES Mold Machine Material Process Venting impaired Condensation Heater band overriding Wrong screw configuration Wet material Contamination Injection speed too fast Residence time too long Excessive decompression RECOMMENDED ADJUSTMENTS Increase gate size Check mold surface for condensation Check for condensation in feed throat Check dry material dew point Dry material Increase mold temperature Reduce melt temperature Reduce back pressure Reduce screw speed Reduce decompression Splay • Silver streaks on part Root cause: Material degradation DEFECTS Design Guide 39 SOURCES Mold Machine Material Process Venting impaired Leaking check ring Heating band burned out New lot Contamination Melt temperature too low Hold pressure too low Back pressure too low Transfer position too high Injection speed too low RECOMMENDED ADJUSTMENTS Clean mold surface Check vents Increase gate size Increase melt temperature Increase mold temperature Increase hold pressure Increase hold time Increase injection speed Increase back pressure Decrease transfer Surface Finish Root cause: Material is not reproducing the mold surface finish. 40 Gravi-Tech SOURCES Mold Machine Material Process Tooling damage Heater band overriding Leaking check ring Contamination Wet material Melt temperature too high Back pressure too high No cushion Pack pressure too high Hold time too low RECOMMENDED ADJUSTMENTS Reduce gate size Increase cooling in gate area Check gate for blockage Check thermocouples for continuity Ensure cushion is maintained Dry material Reduce melt temperature Increase hold pressure Increase hold time Reduce back pressure Increase cooling time Reduce tip temperature Gate Vestige Root cause: Material doesn’t have a clean break at gate .

Hydrocerol™ Chemical Foaming Agents Remafin™ Fiber Colorants for PP

DNU Geon(TM) V1775-35 Boeing Foam PP FR 8-6 LMS-1000

Geon(TM) V1811 Foam Strand Coating PP FR 8-6 LMS-1000

Geon(TM) FK147-60 Taupe Foam Coating NP PP FR 8-6 LMS-1000

Geon(TM) FB610 Foam Texture Red PP FR 8-6 LMS-1000