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issue: October 2006 APPLIANCE Magazine

Supplier Solutions
Application Spotlight - Thermal and Acoustical Insulation

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Foam Insulation

Ecomate systems are currently being used by Franke Foodservice Equipment, a main supplier of turnkey foodservice equipment systems and commercial kitchens to McDonald’s Corporation, which has more than 30,000 restaurants around the world. Franke’s equipment for the restaurant giant includes slide-in refrigerators, fryers and food preparation carts.
One of the reasons the restaurant company is said to have switched to Ecomate systems is the environmental friendliness of the systems, which are engineered for zero ODP (ozone depletion potential) and zero global warming potential (GWP). The system is also designed to be a highly capable thermal insulation material, with properties said to be equal or better than polyurethane foams made using HCFC-141B or HFC-134a.
Previously the company used different foam-in-place HFC-polyurethane systems on its foodservice freezers and refrigerators, all of which had some inherent GWP. McDonald’s says it is in support of the zero ODP and zero GWP polyurethane foam, which helps to protect the environment even while providing insulation properties. Foam Supplies, Inc., www.foamsupplies.com

Efficient Home Heating Using Efficient Polycarbonate/ABS Blend Insulation Material

BBT Thermotechnik GmbH, maker of gas boilers, markets the Heatronic II as an efficient home boiler that can be installed in a new or renovated home to achieve lower heating costs. BBT Thermotechnik, formerly Buderus, is a subsidiary of Bosch and is based in Wetzlar, Germany.
BBT designed the intelligent control system to be the brains behind the gas boiler—it tailors consumption to individual requirements to minimize fuel costs. The control system housing is insulated using Bayblend® FR 3010, a flame-retardant blend of polycarbonate and ABS (PC/ABS) that meets stringent requirements for electrical safety, resistance to chemicals and hydrolysis, light stability, and heat resistance. The material is also said to satisfy the demands placed on the design and functionality of the component.
The control system is of modular design and can be used on a range of boilers, which means the geometry of the front panel can be complex. In order to fit the complicated inner workings of the control system and the numerous operating elements, the molding must display a minimal tendency to warp and have a high level of dimensional accuracy and stability. The PC/ABS material is said to provide the necessary design flexibility and integration potential while offering advantages in terms of processing.
The material’s heat resistance, of up to 110°C (Vicat B 120), and toughness and stiffness, are said to enable to the panels to be easily demolded at high temperatures. Injection-molding cycle time is minimized, for increased productivity. The supplier says outgassing of volatile substances from the thermoplastic during processing is virtually nonexistent, minimizing the accumulation of deposits on injection molds. Bayer MaterialScience AG, www.bayermaterialscience.com

Polyimide Foam Insulates TMIO Oven

TMIO’s Connect Io™ Intelligent Oven™ is a refrigerated, Internet-controlled, 30-inch, electric double-wall oven. The unit is engineered to refrigerate food during the day, then, when it gets instructions via a cell phone call or over the Internet, it begins to cook the meal.
Appliance engineers with TMIO, LLC (Cleveland, Ohio, U.S.) specified Solimide HT-340 polyimide foam to insulate the oven’s ductwork and door panel. The foam is engineered to tolerate extreme temperatures, including continuous use from
-300°F to +575°F (-185°C to +300°C) and to be inherently flame-resistant, meeting UL® 94 V-0 test requirements.
The foam is said to be a preferred choice in commercial and industrial applications requiring high temperature, fire resistance and thermal and acoustic insulation. A variety of foam shapes and sizes are available; facings or coatings can be applied to suit end use requirements. Other advantages include light weight and minimal offgassing/outgassing. Inspec Foams, Inc., www.inspecfoams.com

Supplier Solutions: Thermal and Acoustical Insulation

Acoustical Absorbing Foams
Energy Management Materials
Sound Absorption Fire Retardant Materials
Insulating Epoxy Adhesive
Rubber Coated Fiberglass Fabric
Insulated Panels
Blowing Agents
Ceramic Insulation
Acoustical Sound Barrier
Liquid-Cooled Cold Plates
Felt Materials
Appliance Insulation
Blanket Insulation

Suppliers mentioned in this article:
Foam Supplies Inc.
Bayer MaterialScience LLC
Evonik Foams

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