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One of the top consumer product design trends today is sensory enhancement. Specialized chemistries enable TPEs to adhere to many different plastic substrates, including polypropylene (PP), polycarbonate (PC), acrylonitrile-butadiene-styrene (ABS), PC/ABS, copolyester, polyamide, and polystyrene, for a seamless and permanent bond. For the manufacturer of a garden sprayer, a TPE increased usability of the ABS handle by contributing anti-slip performance even when the part is wet.

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It required a high temperature and a strong injection pressure to bond to the acrylonitrile-butadienestyrene (ABS) substrate, which caused the resin to deform. Product developers reported that they needed a better TPE to provide superior bonding performance with ABS without requiring high temperature and pressure during 2K molding. These savings help the company to achieve high margins on its top-of-the-line sprayers.

The top priority at Avient is safety. Providing meaningful opportunities to support our associates’ development is a top priority at Avient.

AVIENT SOLUTION LEADING EV MANUFACTURER C H A R G I N G G U N G R I P • Good abrasion resistance • Excellent chemical resistance • Nice surface finish • Good bonding with flame retardant PC/ABS • Provided a rubbery touch feel, chemical resistance (including to ethanediol), and better appearance than the incumbent TPV solution • Eliminated a secondary process through two- shot injection molding with good adhesion to PC, ABS, PC/ABS, and copolyester handles • Offered quick technical support to accelerate the product development KEY REQUIREMENTS CHEMICAL RESISTANCE + BONDING LEARN MORE Versaflex™ TPE Formulation Copyright © 2023, Avient Corporation. https://www.avient.com/products/thermoplastic-elastomers/versaflex-thermoplastic-elastomers

Figure 4 shows a top and side view of a corner with constant wall thickness where coring has been applied . Wall Thickness (mm) C o o li n g T im e ( S e c ) 40 35 30 25 20 15 10 5 0 0 1 2 3 4 ABS PC Nylon 6/6 FIGURE 1 - Wall thickness vs . cooling time of various plastics FIGURE 2 - Designing for wall thickness changes FIGURE 3 - Internal and external radius guidelines FIGURE 4 - Coring for tight radius design ESCR Design Guide 2 CONTOUR Where possible, contouring the products’ exterior form, as shown in Figure 5, can help to eliminate pooling of fluids . Draft on the inside of the boss should be ½°, with a 45° chamfer at the top of the boss .

ABS Quality Evaluations, Inc. 16855 Northchase Drive, Houston, TX 77060, U.S.A. Copyright 2011-2017 ABS Quality Evaluations, Inc. http://www.abs-qe.com/cert_validation PolyOne Corporation has been assessed by ABS Quality Evaluations,Inc. and found to be in conformance with the requirements set forth by: Certificate No: 55287

This certificate may be found on the ABS QE Website (www.abs-qe.com). Copyright 2011-2018 ABS Quality Evaluations, Inc. http://www.abs-qe.com/cert_validation

ABS Quality Evaluations, Inc. 1701 City Plaza Drive, Spring, TX 77389, U.S.A. Copyright 2011-2019 ABS Quality Evaluations, Inc. http://www.abs-qe.com/cert_validation