Zwolseweg 1, 2994 LB, Barendrecht, Netherlands - TEL: +31(0)102922689. www.dnv.com/assurance MANAGEMENT SYSTEM CERTIFICATE Certificate no.: 3033-2006-AQ-RGC-RvA Initial certification date: 07 November 2018 Valid: 08 November 2024 – 07 November 2027 This is to certify that the management system of Polyone - Shenzhen Co., Ltd. No. 1, Qihang Industry Park, Haoxiang Road, Shajing Town, Baoan, Shenzhen, Guangdong, China 518104 has been found to conform to the Quality Management System standard: GB/T 19001-2016 / ISO 9001:2015 This certificate is valid for the following scope: Development and Manufacture of Masterbatch, Pigment Concentration, Plastisol; Manufacture of Plastic Compounding Material http://www.dnv.com/assurance 证书制作地点及日期: 证书认可签发机构: 上海, 2024年10月 10日 DNV - Business Assurance 中国上海市长宁区虹桥路1591号9号楼A座 邮编: 200336 电话: +86 21 32799000 朱海明 管理代表 未履行认证协议中规定条款会导致此证书失效，获证组织必须定期接受监督审核并经审核合格此证书方继续有效。获得认可的单位: DNV Business Assurance B.V., Zwolseweg 1, 2994 LB, Barendrecht, Netherlands - TEL: +31(0)102922689. www.dnv.com/assurance 本证书信息可在国家认证认可监督管理委员会官方网站（WWW.CNCA.GOV.CN） 上查询 管理体系认证证书 证书号码: 3033-2006-AQ-RGC-RvA 首次签发日期: 2018年11月 07日 有效期限: 2024年11月 08日 – 2027年11月 07日 兹证明 普立万聚合体（深圳）有限公司 中国广东省深圳市宝安区沙井镇蚝乡路启航工业园1号 518104 统一社会信用代码：9144030076498189X0 质量管理体系符合 : GB/T 19001-2016 / ISO 9001:2015标准 此证书对下列范围有效: 色母粒，色浆，增塑溶胶的开发和制造；塑料改性材料的制造 http://www.dnv.com/assurance WWW.CNCA.GOV.CN）上查询

To meet the manufacturer’s goals for the mouse grip, a clear TPE overmolding material, GLS Versaflex™, was formulated for improved ergonomics and comfort, strong chemical resistance, and excellent bonding to the ABS substrate. This custom Versaflex grade provides 60 Shore A hardness and superior tear strength.

PolyOne S.à r.l., Avient Luxembourg S.à r.l., 19 Route de Bastogne Telephone: +1 440 930 1000 Fax: +440 930 3064

Versaflex™ Thermoplastic Elastomers provided reliable sealing and bonding for HVAC thumb wheel and vent in automobile Versaflex™ Thermoplastic Elastomer provided flexibility and various environmental factors for seat belt tether cover Versaflex™ Thermoplastic Elastomers provided excellent sealing and overmolding for seat ventilation tube

Versaflex™ HC Thermoplastic Elastomers Broad range of Versaflex™ HC 3810 TPEs, all formulated without animal derivatives, met demands for barrier, flexibility and sealing performance Healthcare TPEs: Versaflex™ HC

The company was formerly known as: S/N Company Name Effective From 1. POLYONE SINGAPORE PTE LTD 12/04/2001 (Note: Only the five (5) most recent former names are listed.

Using its formulation expertise, PolyOne can also customize Maxxam LO grades to achieve a breadth of physical and mechanical properties that meet the specifications of any automotive OEM. PolyOne’s global reach allows our customers the ability to achieve greater product consistency wherever they manufacture in the world. PolyOne makes no warranties or guarantees respecting suitability of either PolyOne’s products or the information for your process or end-use application.

X SR15031-001-1 VERSAFLEX(TM) MD6843 N VERSAFLEX(TM) G2832 N

MATERIAL BREAKTHROUGH: VERSAFLEX™ CE BLUE JEAN STAIN RESISTANT TPES FOR WHITE OR LIGHT-COLORED PHONE CASES Phone case brands have struggled to design white or light-colored cases that do not stain when in contact with blue jeans. INSTRUMENT SET-UP Instrument Taber Linear Abraser – Model 5750 Accessory Crockmeter attachment with 16mm acrylic finger Abradant Levi’s™ 505 Regular Cut jeans (circular cloths cut from lower part of leg) Stroke Length 4" (100mm) Cycle Speed 60 cycles per minute (cpm) Load 9N (918g) Conditions 76° F, 47% RH [conditioned > 24 hrs] TPU 500 cycles 500 cycles 500 cycles 100 cycles 100 cycles Versaflex™ CE 3320-70 Silicone Want to test it yourself?