IRPC One Report EN

• Innovations of plastic pallets respond to the growth of electrical appliance industry Innovative SR305 extrusion-grade acrylonitrile-butadienestyrene (ABS) pellets is suitable for sheet extrusion for electrical appliance industry, such as refrigerator, etc. With good mechanical properties, the ABS pellets can be used to manufacture refrigerator cabinet of considerable depth with relatively thin wall panels. Thus, using less material and yet resistant to chemicals according to internationally accepted refrigerator manufacturing standards. In addition, the Company has conducted rawmaterial R&D for the production of ABS pellets as import substitutes, making it possible to cut back on production costs, improving its competitiveness. This product generated incremental profits of up to Baht 39 million per year. • Innovation of medical-grade plastic pellets for the sustainability of Thailand’s public health system The COVID-19 pandemic triggered medical supply shortages, particularly foreign-sourced respiratory protection equipment and relevant medical devices for which Thailand heavily imported to meet domestic consumption. The Company has successfully developed Melt Blown: 1100XC, 1100YC and 1100ZC for the manufacture of non-woven fabrics that can be used in a variety of applications, such as face masks, air filter and personal protective equipment (PPE) as well as disposable diapers, water filters, etc. In addition, these plastic pellets do not contain Phthalate carcinogens and have low volatile matter content. With these products, the Company became the first manufacturer in Thailand that contributed to the sustainability of the country’s public health through challenging times. • Product innovations that provide solutions to eco-sustainability The Innovation Center has conducted R&D on hybrid polypropylene pellets with a mixture of natural materials, such as rubber wood pulp powder, rice husk, etc. making up to 30 per cent of content, which retain high molding performance and is amenable to coloring. In addition, these plastic pellets can also be molded or extruded into food containers as they meet the international standards, such as US FDA 21 CFR 177.1520, and EU 10/2011. This provides solution to the Company’s strategy to be mindful of the global environmental problems. Furthermore, new R&D projects of the Innovation Center have consistently and systematically yielded innovations leading to the IRPC Center for Social & Environmental Innovation 126 IRPC PUBLIC COMPANY LIMITED 56-1 ONE REPORT 2021

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