Trinseo is a key player in resins for a wide variety of markets, and our products set the standards globally in different applications. Having raised the bar for performance in refrigerator liners with our STYRON A-TECH™ 1175 Polystyrene Resin, we continue to advance the industry, already introducing the next generation as other resin suppliers still work to match this industry leader.

Once again, Trinseo’s development efforts will set new performance standards with our STYRON X-TECH™ Polystyrene Resin platform. This new platform is based on proprietary technology and suitable for various applications in the home appliances, packaging and building and construction markets, with its first release supporting freezers and refrigerators.

Introduction

STYRON X-TECH™

STYRON X-TECH™ 2175 Polystyrene Resin

Marking the launch of its platform, STYRON X-TECH™ 2175 answers the large appliance market’s increasing need for material cost control and is designed to enable better performing refrigerator and freezer liners produced with less material. This new ESCR HIPS resin was developed with Trinseo’s proprietary technology and builds on the benefits from industry-leader STYRON A-TECH™ 1175 to offer all the performance enhancements of its predecessor with up to 10% cost savings.

The Next Generation of Polystyrene Resins

Polystyrene Resin

• Broader processing windows• Improved wall thickness distribution• Faster cycle times• Better thermoforming features

Performance Enhancements

STYRON X-TECH™ 2175 offers a unique combination of high stiffness and very high melt strength. This combination is possible thanks to Trinseo’s patent-pending technology, which allows manufacturers to reduce the thickness yet enhance the thermoformability of the flat sheet and therefore streamlining production and enhancing the performance characteristics in the end-application:

• Advanced down-gauging: Up to 10% material savings: Reduction of the amount of raw materials needed to produce refrigerator and freezer liners by up to 10% – resulting in substantial cost savings for OEMs.

• Improved rigidity and ESCR: Advanced level of stiffness and chemical resistance to food stuff result in a higher level of ESCR and strength than other polystyrene resins on the market.

A Unique Combination for Unmatched Benefits

STYRON X-TECH™ 2175 Polystyrene Resin Patent Application Publications: US20153076394A1 (US : Dec 2015), EP2961781A1 (Europe : Jan 2015)Publications also in China, Korea, Japan.

Focused on Meeting your Needs. STYRON X-TECH™ 2175 Polystyrene Resin was designed to enable thinner door and body linings in refrigerators and freezers. In addition to these materials, Trinseo offers a full portfolio of Polystyrene Resins for large appliance applications. For more information, contact us at +800-444-11-444, +31-11567-2601 or visit us online at http://www.trinseo.com.

This chart shows the thickness distribution of Trinseo in house double compartment inner liners, thermoformed from 3.4 mm thick extruded sheet of STYRON A-TECH™ 1175 and X-TECH™ 2175. Positions 10 to 13 are located at the side walls of the inner liner, where the draw ratio is highest, hence the thickness is lowest, and positions 4 and 7 are located at the back wall, where the draw ratio is lowest, hence the thickness is highest. The graphs show that the thickness differences between back and side walls are smaller STYRON X-TECH™ 2175, leading to a more homogeneous thickness distribution. This attribute for STYRON X-TECH™ 2175 versus STYRON A-TECH™ 1175 is thanks to its higher melt strength and allows for down gauging.

Looking again at liner position, the chart to the right shows the rigidity or stiffness of the liner expressed as Young’s modulus. The test results show that STYRON X-TECH™ 2175 is more rigid and stiff on all liner positions than STYRON A-TECH™ 1175, an average of 17% better performance than its predecessor. This higher liner stiffness allows for down gauging.

In addition, STYRON X-TECH™ 2175 has a higher resistance to aggressive food stuff substances than STYRON A-TECH™ 1175. As seen in the chart to the right, the new ESCR HIPS resin shows a higher strength before substances are applied (20% above STYRON A-TECH™ 1175) as well as over time, resulting in a 25% higher strength over STYRON A-TECH™ 1175 after 300 hours of exposure to the aggressive substance.

Liner Thickness Distribution

Fridge Liner Rigidity

Improved ESCR

3

2.5

2

1.5

1

0.5

3.5

Thic

knes

s [m

m]

Liner Thickness Distribution

STYRON A-TECHTM 1175

STYRON X-TECHTM 2175

0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 150

Liner Position

1900

1700

1500

1300

1100

900

700

2100

E-m

odul

us (M

Pa)

Fridge Liner Rigidity

STYRON A-TECHTM 1175

STYRON X-TECHTM 2175

0 2 4 6 8 10 12 14 16 18500

Liner Position

2

1

3

4

5

6

7

8

Stre

ss in

MPa

STYRON A-TECHTM 1175

STYRON X-TECHTM 2175

0 50 100 150 200 250 3000

Time in Hours

Improved ESCR

1 Original Sheet Thickness 10 Freezer Right Side Wall

2-3 Freezer Top Wall 11 Freezer Left Side Wall

4 Freezer Back Wall 12 Fridge Left Side Wall

5-6 Freezer - Fridge Separation Walls 13 Fridge Right Side Wall

7 Fridge Back Wall 14 Corner

8-9 Fridge Bottom Wall

Improved liner thickness distribution especially sides and shelf guides -> Allowing for up to 10% downgauging

17%

Form No. 857-09901

For more information on products, innovations, expertise, and other services available from Trinseo, visit www.trinseo.com, or contact us as indicated below.

www.trinseo.com

The principles of Responsible Care® and Sustainable Development influence the production of printed literature for Trinseo S.A. and its affiliated companies. As a contribution towards the protection of our environments, Trinseo’s printed literature is produced in small quantities and on paper containing recovered/post-consumer fiber and using 100 percent soy-based ink whenever possible.

PRODUCT STEWARDSHIP

Trinseo and its affiliated companies have a fundamental concern for all who make, distribute, and use their products and for the environment in which we live. This concern is the basis for our Product Stewardship philosophy by which we assess the safety, health, and environmental information on our products so that appropriate steps may be taken to protect employee and public health and our environment. The success of our product stewardship program rests with each and every individual involved with Trinseo products – from the initial concept and research, to manufacture, use, sale, disposal, and recycle of each product.

CUSTOMER NOTICE

Customers are responsible for reviewing their manufacturing processes and their applications of Trinseo products from the standpoint of human healthand environmental quality to ensure that Trinseo products are not used in ways for which they are not suitable. Trinseo personnel are available to answer questions and to provide reasonable technical support. Trinseo product literature, including safety data sheets, should be consulted prior to the use of Trinseo products. Current safety data sheets are available from Trinseo.

No freedom from infringement of any patent owned by Trinseo or others is to be inferred. Because use conditions and applicable laws may differ from one location to another and may change with time, the customer is responsible for determining whether products and the information in this document are appropriate for the customer’s use and for ensuring that the customer’s workplace and disposal practices are in compliance with applicable legal requirements. Although the information herein is provided in good faith and was believed to be accurate when prepared, Trinseo assumes no obligation or liability for the information in this document.

NOTICE REGARDING MEDICAL APPLICATION RESTRICTIONS

Trinseo requests that customers refer to Trinseo’s Medical Application Policy at www.trinseo.com/medical.htm before considering the use of Trinseo products in medical applications. The restrictions and disclaimers set forth in that policy are incorporated by reference.

DISCLAIMER

TRINSEO MAKES NO WARRANTIES, EITHER EXPRESS OR IMPLIED, IN THIS DOCUMENT; ALL IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE (INCLUDING MEDICAL APPLICATIONS) ARE EXPRESSLY EXCLUDED. TRINSEO DISCLAIMS ANY AND ALL LIABILITY FOR LOSSES OR DAMAGES THAT MAY RESULT FROM THE USE OF TRINSEO PRODUCTS IN UNSUPPORTED USE. TRINSEO MAKES NO WARRANTIES, EXPRESS OR IMPLIED, THAT THE USE OF ANY TRINSEO PRODUCT WILL BE FREE FROM ANY INFRINGEMENT CLAIMS.

GENERAL NOTICE

Any photographs of end-use applications in this document represent potential end-use applications but do not necessarily represent current commercial applications, nor do they represent an endorsement by Trinseo of the actual products. Further, these photographs are for illustration purposes only and do not reflect either an endorsement or sponsorship of any other manufacturer for a specific potential end-use product or application, or for Trinseo, or for specific products manufactured by Trinseo.

If products are described as “experimental” or “developmental”: (1) product specifications may not be fully determined; (2) analysis of hazards and caution in handling and use are required; (3) there is greater potential for Trinseo to change specifications and/or discontinue production, and (4) although Trinseo may from time to time provide samples of such products, Trinseo is not obligated to supply or otherwise commercialize such products for any use or application whatsoever.

For additional information not covered by the content of this document or to ensure you have the latest version of this document available, please refer to the Customer Information Group contact information on our website at www.trinseo.com/contact/.

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