acoustical insulation product Articles

  • Enhanced acoustic material testing in a tube

    Demands from the Industry   A growing number of customers demand quieter vehicle cabins, and cabin acoustic comfort has become a major concern for the automotive industry. Optimization of the acoustic insulation performance has, therefore, been given a more prevalent role in the design process. In the aircraft industry, acoustic comfort for customers and the use of new, lighter ...

  • Composite construction products from waste tyres

    The construction industry consumes approximately 420 million tonnes of products per year, and therefore utilises large quantities of raw materials. Alternatives to primary materials in construction products are already widely used; examples include the use of construction and demolition wastes as aggregates, timber wastes in composite board products and by-products from steel-making in the ...

  • GKN aerospace success with portable impedance meter

    The GKN site in Cowes, Isle of Wight, UK, has long experience in the design and manufacture of passive sound insulation systems for air-intakes and by-pass ducts of aircraft engine nacelles. Dr. Armando Vavalle, Technology Development Engineer from GKN reports here on impedance tests conducted with Brüel &Kjær’s Portable Impedance Meter Type 9737 for the development of such ...

  • Case study - What is asbestos?

    Asbestos is the name for a group of naturally occurring silicate minerals that can be separated into fibers. The fibers are strong, durable, and resistant to heat and fire. They are also long, thin and flexible, so that they can even be woven into cloth. Because of these qualities, asbestos has been used in thousands of consumer, industrial, maritime, automotive, scientific and building products. ...

  • Identifying Low-Frequency Tonal Noise in Windy and Noisy Conditions - Case Study

    Problem A large LNG gas facility (approximately 300m x 150m) producing 300 000 tons of LNG annually is situated in a terminal area with the nearest populated area at a distance of around 1 km. Within the gas production facility, a low-frequency tonal noise at around 500 Hz is generated causing complaints from nearby neighbours. The tone imposes a more stringent noise requirement on the ...


    By Norsonic AS

  • What is asbestos?

    Asbestos is the name for a group of naturally occurring silicate minerals that can be separated into fibers. The fibers are strong, durable, and resistant to heat and fire. They are also long, thin and flexible, so that they can even be woven into cloth. ...

  • Solid Waste Reduction: Insulform Pty Ltd

    Insulform Pty Ltd is a medium sized Melbourne based company that manufactures trim and insulation components for the automotive industry. Reformulation of the raw material and the process used to manufacture rear parcel shelves for passenger vehicles has resulted in significant cost savings, with reduced price to the customer, and the elimination of a significant solid waste stream. ...


  • The mills grind efficiently

    The – “Milser Mühle“ – has relied on AERZEN for 50 years When the Borgstedt Family took over the Milser Mühle 130 years ago, at first, it only produced feed material, and then, from 1918, it started to produce flour for human food. “Therefore we selected oilfree compressing AERZEN Positive Displacement Blowers of series GM as conveying air producer ...

  • Case study - Beltran WESPs deliver superior gas cleaning performance for Zambia’s fast-growing copper industry

    The central importance of copper production to the Zambian economy is reflected in the fact that the value of copper exports in 2010, about $5.8 billion, accounted for 78 percent of the country’s total merchandise export earnings, and helped make it the seventh largest producer in the world. Capitalizing on a worldwide surge in copper prices and the coincident privatization of ...


    By Beltran Technologies, Inc.

  • Innovative wet electrostatic precipitators assure competitive edge in acid marketplace

    The unsteady global economic recovery continues to subject many core industries to persistent volatility in profits, prices, markets and capital investments. However, some analysts remain optimistic about the global international trade in sulfur in all forms, particularly sulfuric acid. This versatile mineral acid is both the world’s most widely used chemical, and the one with the highest ...


    By Beltran Technologies, Inc.

  • Asbestos: Eliminating the Threat

    While asbestos dangers are well documented, history has long avoided eliminating the threat it poses to human health. We are starting to progress in our waste habits by recycling different streams of waste and using closed landfills constructively. Composting food waste and recycling plastics, glass, metals, cardboard and newspapers is our way of life. We are ...


    By ABCOV Companies

  • Advanced WESP designs assure superior gas cleaning performance

    Nowadays, many industries are facing formidable environmental challenges and there is a growing need for effective, economical gas cleaning and air pollution control equipment. Michael Beltran of Beltran Technologies, Inc. reports on a renewed interest in high-efficiency wet electrostatic precipitators (WESPs) and discusses their importance for controlling sulphuric acid mists and other ...


    By Beltran Technologies, Inc.

  • Net Zero Waste – So What?

    Leading world organizations warn us that economic growth and social development cannot be sustained with our current consumption, production and disposal patterns. Yet in spite of increasing sustainability initiatives and better product and recovery technologies, global waste continues to grow at an alarming rate. According to ISWA (International Solid Waste Association) global communities ...


    By GLOBE Foundation

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