When.com Web Search

Search results

1. Results From The WOW.Com Content Network

2. Vacuum insulated panel - Wikipedia

   en.wikipedia.org/wiki/Vacuum_insulated_panel

   A vacuum insulated panel (VIP) is a form of thermal insulation consisting of a gas-tight enclosure surrounding a rigid core, from which the air has been evacuated. It is used in building construction, refrigeration units, and insulated shipping containers to provide better insulation performance than conventional insulation materials. [1] [2]

3. Visqueen - Wikipedia

   en.wikipedia.org/wiki/Visqueen

   An antitrust ruling forced the sale of the polyethylene business of Visking to Ethyl Corporation in 1963. Ethyl, known best for its tetra ethyl lead gasoline additive, renamed the division VisQueen. In 1989, Ethyl Corporation, desiring to concentrate on chemical manufacture, spun off VisQueen as a new company, Tredegar Film Products Corporation.

4. List of insulation materials - Wikipedia

   en.wikipedia.org/wiki/List_of_insulation_materials

   This is a list of insulation materials used around the world. ... Polyurethane rigid panel (pentane-expanded) aged 5–10 years ... Polyethylene foam 2.54: 1 0.52: 3: ...

5. Moisture vapor transmission rate - Wikipedia

   en.wikipedia.org/wiki/Moisture_vapor...

   ASTM D1434 - Standard Test Method for Determining Gas Permeability Characteristics of Plastic Film and Sheeting; ASTM D3079 - Standard Test Method for Water Vapor Transmission of Flexible Heat-Sealed Packages for Dry Products; ASTM D4279 - Standard Test Methods for Water Vapor Transmission of Shipping Containers-Constant and Cycle Methods

6. Dielectric gas - Wikipedia

   en.wikipedia.org/wiki/Dielectric_gas

   Vapor pressure 90 psi (6.1 atm) at 23 °C, yielding breakdown voltage 17 times higher than air at 1 atm. Higher breakdown voltages can be achieved by increasing pressure by adding nitrogen. Corrosive decomposition products. Trifluoromethane: CF 3 H: 0.8: weak 1,1,1,3,3,3-Hexafluoropropane (R-236fa) CF 3 CH 2 CF 3: 152.05: 6300 strong

7. Pipe insulation - Wikipedia

   en.wikipedia.org/wiki/Pipe_insulation

   Pipe insulation made from rigid Phenolic, PIR, or PUR foam insulation is common in some countries. Rigid-foam insulation has minimal acoustic performance but can exhibit low thermal-conductivity values of 0.021 W/(m·K) or lower, allowing energy-saving legislation to be met whilst using reduced insulation thicknesses. [8]