innovation ENErgiZEd BY

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1 innovation ENErgiZEd BY New Baypren types for challenging applications Baypren High Performance and Baypren Green Finishing

2 NEw BAYPrEN streching ThE LiMiTs of Cr For decades, the name Baypren has been synonymous with high-performance chloroprene rubber (Cr). LANXESS is one of the leading manufacturers of chloroprene rubbers worldwide. Baypren is a premium versatile elastomer with a unique combination of high flexibility, dynamic loadbearing capacity and resistance to both chemicals and weathering. This makes it the material of choice for a multitude of rubber applications, so it s hardly surprising that Baypren is found in a whole host of different rubber products. Synthetic rubber is an integral part of the LANXESS portfolio. The specialty chemicals company is committed to ongoing investment in process technology and product innovation so as to match the Baypren portfolio as closely as possible to its customers needs. Our technical service with well-equipped laboratories provides customers across the globe with reliable support. Following many years of research and development work on chloroprene rubber, two new Baypren products lines are now being launched: Baypren high Performance (hp) and Baypren green Finishing (gf). Off to new shores in CR - the new products meet high requirements for tough applications such as powerful inflatable motorboats LANxEss BAYPREN

3 A flexible all-round performer Baypren from LANXESS

4 high PErForMANCE The products in this new Baypren line feature significant improvements to specific key properties and thus extend the range of applications for chloroprene rubber. The High Performance products Baypren HP M010 VP and Baypren HP M210 VP provide particularly low Mooney viscosities that are unprecedented on a production scale. The advantages of low viscosity lie in longer flow paths during injection molding and lower energy consumption during mixing and extrusion. This is helpful during processing and for optimizing injection molding and extrusion. Mechanical properties such as stress-strain behavior and hardness remain excellent despite the lower viscosity, making the products ideal for use in cables, hoses and profiles. Product variants are available with slow or medium crystallization rates to suit the relevant temperature range. Optimized variants have also been developed for MTT crosslinking, but all grades can also be vulcanized with established crosslinking systems such as ETU. Fast vulcanization combined with low-viscosity Baypren HP has two big advantages easy processing and optimized crosslinking. It also makes LANXESS the first rubber manufacturer to respond to the industry s demand for polychloropene grades with enhanced flow properties. The lower viscosity delivers key processing benefits: Better flowability Higher throughput Reduced die swell Lower energy consumption for extrusion Less nerve Suitable for compounding with CR of a higher viscosity Low scorching tendency Adjustable crosslinking Reduced marching modulus Mooney (uml 1+4, 100 C) Crystallization Baypren HP M010 VP < 35 slow + Baypren HP M01D VP < 35 slow o Baypren HP M210 VP < 35 medium + Baypren HP M21D VP < 35 medium o UML, unpretreated Mooney rotor: large + Rapid crosslinking 0 Standard crosslinking MTT crosslinking The new Baypren HP types better extrusion processing through lower viscosity

5 green FiNishiNg As an international specialty chemicals group, we bear a major responsibility toward people and the environment. safety, environmental protection and quality are key components of our strategy at LANXESS. The innovative production process we have developed reflects this commitment, using less water, no natural gas for drying and no ammonia, a coolant that is harmful to the environment. This also conserves resources. Baypren GF: suitable for demanding applications - better for the environment Vulcanization accelerators are needed to vulcanize rubber. One feature of the new Baypren GF products is their optimized crosslinking with N-methyl-thiazolidine-2-thione (MTT), a vulcanization accelerator that poses no handling risks. This speeds up the crosslinking process and makes it easy to control. It also opens up new possibilities especially in applications such as cables and foams, where rapid vulcanization is vital. Further properties: Various viscosity ranges Slow and medium crystallization rates Mercaptan (M)- and xanthogen disulfide (XD)-modified grades Optimized crosslinking characteristics with MTT Faster MTT crosslinking Adjustable crosslinking options Reduced marching modulus The new Baypren GF products are still modified using mercaptan or xanthogen disulfide. The Green Finishing products in the xanthogen disulfide series exhibit very good properties, with superior strength, tear propagation resistance and fillability as the mercaptan grades. Mooney (uml 1+4, 100 C) Crystallization M-modified grades Baypren GF M020 VP 47 +/-10 low + Baypren GF M02D VP 47 +/-10 low o Baypren GF M220 VP 60 +/-10 medium + Baypren GF M22D VP 60 +/-10 medium o XD-modified grades Baypren GF X020 VP 76 +/-10 low + Baypren GF X02D VP 76 +/-10 low o Baypren GF X220 VP 53 +/-10 medium + Baypren GF X22D VP 53 +/-10 medium o MTT crosslinking Un-massed Mooney, Large rotor + Rapid crosslinking 0 Standard crosslinking Baypren high Performance (hp) and Baypren green Finishing (gf) Production of these grades will commence early in 2014, marking the start of a new product generation. Low-viscosity and MTT-optimized Baypren grades are the first members of a new product family that will expand in the future. The products described here are already available in sample quantities of up to 100 kg. The specified Mooney ranges and limits will be defined more precisely after the start of production. LANxEss BAYPREN

6 Your direct CoNTACT To BAYPrEN ExPErTs in Your region EMEA NAFTA LATAM APAC For more information visit our website: Quality & Environmental Management: Baypren is produced under strict control regarding safety, environmental protection and quality. The whole supply chain, from production to customer service, is covered by ISO 9001 and ISO certification. Food contact: Information concerning FDA and BfR compliance can be obtained on request from the Health, Safety, Environment and Quality Department (HSEQ) of Lanxess. As with any product, use of the products mentioned in this publication in a given application must be tested (including field testing, etc.) by the user in advance to determine suitability. Health and Safety Information: Appropriate literature has been assembled which provides information concerning the health and safety precautions that must be observed when handling the LANXESS products mentioned in this publication. For materials mentioned which are not LANXESS products, appropriate industrial hygiene and other safety precautions recommended by their manufacturers should be followed. Before working with any of these products, you must read and become familiar with the available information on their hazards, proper use and handling. This cannot be overemphasized. Information is available in several forms, e.g., material safety data sheets and product labels. Consult your LANXESS representative in Germany or contact the Health, Safety, Environment and Quality Department (HSEQ) of LANXESS Germany or for business in the USA the LANXESS Product Safety and Regulatory Affairs Department in Pittsburgh, PA. Regulatory Compliance Information: Some of the end uses of the products described in this publication must comply with applicable regulations, such as the FDA, BfR, NSF, USDA, and CPSC. If you have any questions on the regulatory status of these products, contact your LANXESS Corporation representative, the LANXESS Regulatory Affairs Manager in Pittsburgh, PA or the Health, Safety, Environment and Quality Department (HSEQ) of LANXESS Germany. The manner in which you use and the purpose to which you put and utilize our products, technical assistance and information (whether verbal, written or by way of production evaluations), including any suggested formulations and recommendations, are beyond our control. Therefore, it is imperative that you test our products, technical assistance and information to determine to your own satisfaction whether they are suitable for your intended uses and applications. This application-specific analysis must at least include testing to determine suitability from a technical as well as health, safety, and environmental standpoint. Such testing has not necessarily been done by us. Unless we otherwise agree in writing, all products are sold strictly pursuant to the terms of our standard conditions of sale. All information and technical assistance is given without warranty or guarantee and is subject to change without notice. It is expressly understood and agreed that you assume and hereby expressly release us from all liability, in tort, contract or otherwise, incurred in connection with the use of our products, technical assistance, and information. Any statement or recommendation not contained herein is unauthorized and shall not bind us. Nothing herein shall be construed as a recommendation to use any product in conflict with patents covering any material or its use. No license is implied or in fact granted under the claims of any patent. Forward-looking statements: This product information contains forward-looking statements based on current assumptions and forecasts made by the LANXESS AG management. Various known and unknown risks, uncertainties and other factors could lead to material differences between the actual future consolidated results, financial situation, development or performance of the company, and the estimates given here. The company assumes no liability to update such forward-looking statements or to adapt to future events or development. Edition 10/2013 LANXESS Deutschland GmbH Kennedyplatz Köln Telefon: Baypren is a registered trademark of Bayer AG.