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Non-halogenated FR Film helps electronics OEMs go green

By Design World Staff | September 21, 2008

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According to SABIC Innovative Plastics, many manufacturers are now going green ‚– voluntarily. The company says that several global electronics manufacturers are reducing halogenated additives in their products to benefit the environment. SABIC‚’s thermoplastic film made without the use of brominated or chlorinated flame-retardants ‚– EFR 735 film complies with this trend. It also supports the move within the electronics industry toward smaller, thinner devices by delivering high performance at very thin gauges.

SABICIPDieCutInsulationPhot.jpg

The film suits shielding and insulation barriers, printed circuits, die-cut spacers and insulators, labels, and overlays. It is also well suited for adapters for computers, laptops, mobile phones, portable devices, battery packs, DVD players, printers, audio/video equipment, and many other electrical and electronics applications.

EFR 735 film delivers VTM-0 flame resistance performance according to Underwriters Laboratories (UL 94) down to 152 ‚µm without the use of potentially harmful halogenated additives. It also has three times the puncture resistance and tensile strength than flame-retardant polypropylene (FRPP) and surpasses FRPP in tensile strength. It also offers a higher glass transition temperature (340 vs. 265‚° C) for high-heat environments. EFR 735 also offers low moisture absorption, high thermal performance, and excellent dielectric strength. Thinner-gauge EFR 735 film can replace thicker FRPP film without sacrificing performance. At gauges as thin as 0.006 in., it equals the performance of 0.017-in.-thick FRPP. Thinner gauges give designers greater flexibility to create today‚’s flatter, lighterweight notebook PCs and other devices. They also help to reduce material costs through down gauging.

U.S. and European agencies continue to tighten regulations on EMI/RFI emissions. Effective shielding solutions include metal boxes, conductive paints, plating, metal chassis, and conductive polymers. However, these methods add significant cost and unwanted weight to electronic devices. EFR 735 film provides a low-cost, lightweight solution to both primary shielding and secondary (problem area) shielding, and maintains UL recognition.

Laminated to a conductive foil such as copper or aluminum, this high performance-insulating film lets you place shields in close proximity to the emitting source, without concern of internal arcing. Using this material for die-cut insulators and spacers can give manufacturers greater fabrication ease and compatibility advantages with many fastening and laminating adhesives.

SABIC Innovative Plastics
www.sabic-ip.com

 .:Design World:


Filed Under: Electronics • electrical, Green engineering, Materials • advanced

 

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