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2. Polycarbonate - Wikipedia

   en.wikipedia.org/wiki/Polycarbonate

   The characteristics of polycarbonate compare to those of polymethyl methacrylate (PMMA, acrylic), but polycarbonate is stronger and will hold up longer to extreme temperature. Thermally processed material is usually totally amorphous, [7] and as a result is highly transparent to visible light, with better light transmission than many kinds of ...

3. List of commercially available roofing materials - Wikipedia

   en.wikipedia.org/wiki/List_of_commercially...

   Those types of roofing material which are commercially available range from natural products such as thatch and slate to commercially produced products such as tiles and polycarbonate sheeting. Roofing materials may be placed on top of a secondary water-resistant material called underlayment.

4. Twinwall plastic - Wikipedia

   en.wikipedia.org/wiki/Twinwall_plastic

   Comparison of various physical properties of single and multi-wall materials [1] Twinwall Polycarbonate exhibits high degree of durability and toughness. Although single layer polycarbonate sheeting is more flexible than polycarbonate in twinwall configuration, it still retains significant advantages over alternative materials, including glass.

5. Thermoplastic olefin - Wikipedia

   en.wikipedia.org/wiki/ThermoPlastic_Olefin

   This type of material is non-rigid, and is sometimes called TPR for ThermoPlastic Rubber. To increase the rigidity of a TPO blend, fillers exploit a surface tension phenomena. By selecting a filler with a higher surface area per weight, a higher flexural modulus can be achieved.

6. List of materials properties - Wikipedia

   en.wikipedia.org/wiki/List_of_materials_properties

   A material property is an intensive property of a material, i.e., a physical property or chemical property that does not depend on the amount of the material. These quantitative properties may be used as a metric by which the benefits of one material versus another can be compared, thereby aiding in materials selection.

7. An Underground Greenhouse Is the Secret to Year-Round ... - AOL

   www.aol.com/lifestyle/underground-greenhouse...

   An underground garden can be built with a few polycarbonate panels, wood 2x4s, and vellum or another material that lets light in. Structures built using these tools are very practical for ...