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2. Twinwall plastic - Wikipedia

   en.wikipedia.org/wiki/Twinwall_plastic

   Roofing sheets made from twinwall plastic are primarily 10mm thick, however, they are also available in greater thicknesses such a 16mm, 25mm and 35mm. Any thickness over 10mm would usually be called a Multiwall Plastic Sheet due to having multiple internal layers. Twinwall plastic can refer to several different extruded polymers including:

3. Polycarbonate - Wikipedia

   en.wikipedia.org/wiki/Polycarbonate

   Other applications, including polycarbonate sheets, may have the anti-UV layer added as a special coating or a coextrusion for enhanced weathering resistance. Polycarbonate is also used as a printing substrate for nameplate and other forms of industrial grade under printed products. The polycarbonate provides a barrier to wear, the elements ...

4. Corrugated plastic - Wikipedia

   en.wikipedia.org/wiki/Corrugated_plastic

   Corrugated plastic box used as reusable packaging Corrugated plastic dividers used to pack automotive components A Velomobile enclosed in corrugated plastic. Corrugated plastic or corriboard – also known under the trade names of Correx, Biplex, Cartonplast, Polyflute, Coroplast, FlutePlast, IntePro, Proplex, Twinplast, Corriflute and Corflute – refers to a wide range of extruded twin-wall ...

5. Diethyl pyrocarbonate - Wikipedia

   en.wikipedia.org/wiki/Diethyl_pyrocarbonate

   Diethyl pyrocarbonate (DEPC), also called diethyl dicarbonate (IUPAC name), is used in the laboratory to inactivate RNase enzymes in water and on laboratory utensils. It does so by the covalent modification of histidine (most strongly), lysine, cysteine, and tyrosine residues.

6. CR-39 - Wikipedia

   en.wikipedia.org/wiki/CR-39

   CR-39 is made by polymerization of ADC in presence of diisopropyl peroxydicarbonate (IPP) initiator.The presence of the allyl groups allows the polymer to form cross-links; thus, it is a thermoset resin.

7. Polymer degradation - Wikipedia

   en.wikipedia.org/wiki/Polymer_degradation

   Polymer degradation is the reduction in the physical properties of a polymer, such as strength, caused by changes in its chemical composition.Polymers and particularly plastics are subject to degradation at all stages of their product life cycle, including during their initial processing, use, disposal into the environment and recycling. [1]