INNOVATION | ELECTRICAL AND ELECTRONIC
Right: Realme’s phone has an extra-thin battery enclosure in a flame retardant polycarbonate copolymer compound from SABIC
for use in high voltage connectors, plugs, sockets, and the like. Eurotec says its Tecodur PBT products stand out with lower water absorption, high dimensional stability and high colour stability proper- ties under heat. One grade, Tecodur PB70 GR30 GR105 QL, is a Yellow Card certified product that has PLC 1 tracking index and very good mechanical properties. It is used by a well-known OEM in automated switch fuses. Tecodur PB70 GR30 NL MS is a hydrolysis-stabilised grade. Tisan Engineering Plastics com- pounds polyamide, PBT and polycar- bonate blend materials for customers in the E&E sector. The company’s Tislamid polyamide compounds are produced in standard and modified formulations for any customer’s requirements. It high- lights Tislamid PA6 with 20% glass fiber reinforced, heat stabilised, and im- proved flame retardant product (Tisla- mid A 20D03 F01 K02 R02) as an example of an electrical transformer application. Another example, Tislamid B 30D03 F01 Y01 R01 material, which is used in electrical switches, is a new generation of flame retardant compound based on PA66. Tisan says PBT thermoplastic polyester has
excellent electrical and mechanical properties, and resistance to chemicals and stress. For electrical wiring systems, Tisan has developed Tisester PBT 30D03 F01 K02 R01 compound which is glass fibre reinforced, heat stabilised and flame retardant. The company says: “Tisblend compounds
provide an ideal combination of strength, durability, chemical resistance, excellent impact resistance, heat resistance and visual performance by selecting material according to the relation between applica- tion, cost and performance.” Tisblend HI UNR F02 R01 compounds are PC/ABS blends with improved halogen free flame retardant used for socket parts. Tisblend HF 30D03 F02 R01 is a PC/PBT blend with 30% glass fibre reinforced, heat stabilised, and improved flame retardant product which is designed for low voltage switch applications. The implementation of the Interna- tional Electrotechnical Commission’s new IEC 62368-1 safety standard for consumer electronics is prompting many manufac- turers to seek higher-performing flame- retardant materials. Chinese smartphone maker Realme has selected SABIC’s new LNP Elcres EXL7414 polycarbonate copolymer resin for the battery enclosure of its C25 phone, launched in March, to achieve UL94 V-0 FR compliance at
0.6mm, addressing the new IEC standard. Additionally, says SABIC, the superior flame
retardance of the new grade supports its potential use in ultra-thin-wall components to help save device weight and space in ever-thinner designs. It also delivers excellent flow for thin-wall moulding; ductility to resist damage from drops; and good chemical resistance to withstand ultraviolet-cured painting.
IEC 62368-1, which came into effect at the end of last year, replaces the previous IEC 60065 Audio
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IMAGE: REALME
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