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2. Poly(methyl methacrylate) - Wikipedia

   en.wikipedia.org/wiki/Poly(methyl_methacrylate)

   The larger circular clear black area represents the larger outer side of the thick one-piece plastic cone "window". Being transparent and durable, PMMA is a versatile material and has been used in a wide range of fields and applications such as rear-lights and instrument clusters for vehicles, appliances, and lenses for glasses.

3. A New Study Says Microplastics Are Widespread in Seafood ...

   www.aol.com/study-says-microplastics-widespread...

   A new study in the journal Frontiers in Toxicology found that microplastics in the fish we consume are far more widespread than you may think.. In late December, researchers from Portland State ...

4. Polyethylene terephthalate - Wikipedia

   en.wikipedia.org/wiki/Polyethylene_terephthalate

   Depending on its processing and thermal history, polyethylene terephthalate may exist both as an amorphous (transparent) and as a semi-crystalline polymer. The semicrystalline material might appear transparent (particle size less than 500 nm ) or opaque and white (particle size up to a few micrometers ) depending on its crystal structure and ...

5. Fibre-reinforced plastic tanks and vessels - Wikipedia

   en.wikipedia.org/wiki/Fibre-reinforced_plastic...

   Due to the corrosion resistant nature of FRP, the tank can be made entirely from the composite, or a second liner can be used. In either case, the inner liner is made using different material properties than the structural portion (Hence the name dual (meaning two) and laminate (a word commonly used for a layer of a composite material))

6. Low-density polyethylene - Wikipedia

   en.wikipedia.org/wiki/Low-density_polyethylene

   LDPE has SPI resin ID code 4 Schematic of LDPE branching structure. Low-density polyethylene (LDPE) is a thermoplastic made from the monomer ethylene.It was the first grade of polyethylene, produced in 1933 by John C. Swallow and M.W Perrin who were working for Imperial Chemical Industries (ICI) using a high pressure process via free radical polymerization. [1]

7. Find out which of these must-see aquariums in the US are ...

   www.aol.com/must-see-aquariums-us-close...

   There is so much to see and learn at this Florida-based laboratory and aquarium. To start, you can see a whole host of magical marine creatures up close and personal, thanks to its 135,000-gallon ...