POLARCHIP? thermal interface material is said to be highly compressible, thermally conductive, and designed for filling air gaps between heat-generating devices on printed circuit boards and heat sinks, heat spreaders, and metal chassis. The product is a fluoropolymer composite which consists of an expanded polytetrafluoroethylene matrix filled with boron nitride particles.W.L. Gore And Associates, 750 Otts Chapel Rd., Newark, DE 19713; FAX (302) 737-2819; www.gore.com/electronics.
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The Altra Composite System is a modular ceramic fiber insulation system designed for rapid fire furnace applications where temperatures reach up to 1,750C. The product uses vacuum-forged, pre-shaped tongued and grooved boards for side walls, and suspended board modules for roof areas, and is said to be thermally shock resistant and lightweight.Rath Performance Fibers Inc., 501 Silverside Rd., Ste. 131, Wilmington, DE 19809; FAX (302) 793-0289; www.rath-usa.com.
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Quiet SteelŪ from this company is made of two skins of steel constrained over a layer of viscoelastic material to create a formable, weldable substrate. The product is said to be superior to cold rolled steel in reducing noise, vibration, and weight. The product can be coated in a pre-finish or post-coated operation, and has been used in clothes dryers, lawn mowers, and laptop computer disk drives.MSC Laminates and Composites, 2300 E. Pratt Blvd., Elk Grove Village, IL 60007; FAX (847) 806-2219.; www.matsci.com.
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Refractory Sheet Type RS-100 is a fiber-reinforced Alumina composite designed for thermal, structural, and electrical insulation applications, and the transport of molten non-ferrous metals up to 1,260C. The product is said to have compressive and flexural strengths similar to those of high temperature reinforced plastics, but retains those qualities at higher temperatures.Zircar Products, Box 489, Florida, NY 10921; FAX (914) 651-1515; www.zrci.com.
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Two grades of stainless steel for automotive applications which require rust resistance are now available from this company. Grade 347 stainless steel strip is designed for use in exhaust system parts, while Grade 430 is meant to be used in seat belt buckles, windshield wipers, fasteners, and gaskets.
Ulbrich Stainless Steels & Special Metals, 57 Dodge Ave., North Haven, CT 06473-1191; FAX (203) 239-7479; www.ulbrich.com.
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A new vacuum metallizing system which uses a smart distributed I/O network is now available. The system uses an Allen Bradley RS Logix 5 and RS View as a control platform and PC-based user interface, while the controls are based on a PLC5 platform and use flex I/O for the remote control points. The product is designed for rapid pump down with the company's direct drive, canned motor blower systems.
Stokes Vacuum Inc., 5500 Tabor Rd., Philadelphia, PA 19120; FAX (215) 831-5420; www.stokesvacuum.com.
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MACOR Machinable Glass Ceramic is a white, ceramic-like material which is said to be non-wetting, exhibits zero porosity, and won't deform like ductile materials. The material is said to withstand temperatures up to 1,000C and has a coefficient of thermal expansion which matches most metals and sealing glasses. The product can also be joined or sealed to other materials to create a hermetic seal.
Morgan Advanced Ceramics, 225 Theodore Rice Blvd., Bedford, MA 02745; www.morganadvancedceramics.com.
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This company's SC-3 Impeller is designed with long agitator shaft extensions for deep tank applications. The product is said to feature an advanced design which produces the flow characteristics of much larger impellers without their added weight and resulting loss in efficiency. Features include a bolted, 3-blade design, and carbon steel or stainless steel construction.
Chemineer, 125 Flagship Dr., North Andover, MA 01845; FAX (978) 687-8500; www.chemineer.com.
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Polaqua 73F is an extrusion, laminating, and printing primer designed for use with a wide range of substrates. The product is said to be grease-, oil-, water-, and moisture-resistant, and offers high bond strengths even when small amounts are used. The product may be used as supplied, or diluted with an equal amount of water. One undiluted gallon will reportedly treat 20 to 30 reams of substrate.
ADM Tronics, 224 S Pegasus Ave., Northvale, NJ 07647; FAX (201) 784-0620.
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Novec? Electronic Coating EGC-1700 is a solution which is designed to provide electronic circuit boards protection from moisture, humidity, and other liquid and solid contaminants. The product is a fluorochemical acrylate polymer solution which is said to cost less per square foot than other protection products based on silicone, urethane, and acrylics, while offering a fast drying time for faster board processing.
3M Performance Materials, 3M Center, Bldg. 225-1S-15, St. Paul, MN 55144; www.3m.com.
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HFT5000 fabric is said to be a durable, flexible, halogen-free, high performance composite material which provides effective mechanical protection. The product is reportedly self-fixing, will not creep, and can be used only at the point of threat, while the woven construction provides flexibility and high conformability while not stiffening the substrate or trapping moisture.
Tyco Electronics, Box 3608, Harrisburg, PA 17105-3608; FAX (717) 986-7575; www.amp.com.
For Information, enter 625