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  2. Pipe insulation - Wikipedia

    en.wikipedia.org/wiki/Pipe_insulation

    In order to calculate heat flow, it is first necessary to calculate the thermal resistance ("R-value") for each layer of insulation. For pipe insulation, the R-value varies not only with the insulation thickness and thermal conductivity ("k-value") but also with the pipe outer diameter and the average material temperature.

  3. Heatproof mat - Wikipedia

    en.wikipedia.org/wiki/Heatproof_mat

    A Bunsen burner placed atop a heatproof mat A heatproof mat An asbestos heatproof mat over a Teclu burner. A heatproof mat, also known as wire gauze or a gauze mat, is a piece of apparatus commonly used in tabletop lab experiments that involve moderate temperatures (for example, when a Bunsen burner is being used) to prevent damage to a work surface. [1]

  4. Cross-linked polyethylene - Wikipedia

    en.wikipedia.org/wiki/Cross-linked_polyethylene

    A cross-linked polyethylene (PEX) pipe. Cross-linked polyethylene, commonly abbreviated PEX, XPE or XLPE, is a form of polyethylene with cross-links.It is used predominantly in building services pipework systems, hydronic radiant heating and cooling systems, domestic water piping, insulation for high tension (high voltage) electrical cables, and baby play mats.

  5. Wire gauze - Wikipedia

    en.wikipedia.org/wiki/Wire_gauze

    Plain wire gauze can transmit heat efficiently, but gauze with a ceramic center disperses the heat more evenly. [4] The ceramic at the centre of the wire gauze is enmeshed at high pressure to prevent it from peeling. [5] Wire gauze may be woven from metals including iron, [5] steel, [6] copper, [7] and nichrome. [8]

  6. High-density polyethylene - Wikipedia

    en.wikipedia.org/wiki/High-density_polyethylene

    With a high strength-to-density ratio, HDPE is used in the production of plastic bottles, corrosion-resistant piping, geomembranes and plastic lumber. HDPE is commonly recycled, and has the number "2" as its resin identification code. In 2008, the global HDPE market reached a volume of more than 30 million tons. [2]

  7. Trace heating - Wikipedia

    en.wikipedia.org/wiki/Trace_heating

    Electric heat tracing, heat tape or surface heating, is a system used to maintain or raise the temperature of pipes and vessels using heat tracing cables. Trace heating takes the form of an electrical heating element run in physical contact along the length of a pipe.

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