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www.reference.com/article/polycarbonate-glasses-55d5dff7cbdc1c65

Polycarbonate glasses are lightweight impact-resistant glasses composed of thermoplastic. These glasses offer an alternative to heavier plastic and glass eyeglasses. Because these glasses are less likely to break than other models, they are now the standard in safety gl...

www.reference.com/article/can-remove-scratches-glass-385e1d089773c3e4

Manually buffing the scratch with a wool polishing pad can remove scratches from glass; using an electric buffer on medium speed is also an option. Buffing is done with cerium oxide or jeweler's rouge. Manual buffing requires gentle motions and rubbing against the scrat...

www.reference.com/article/remove-scratches-glass-3d3c0fff88381542

To remove shallow scratches from glass, apply a commercial solution, such as metal or nail polish, or create a home remedy with toothpaste and baking soda. For deeper scratches, buff out the damage with cerium oxide and a polishing wheel attached to a drill or dremel t...

www.reference.com/article/polycarbonate-plastic-made-out-27d6b34f069adba

Polycarbonate plastic is made from a reaction between bisphenol A, a chemical building block, and the chemical phosgene. Polycarbonate plastic offers several benefits in manufacturing, including its shatter- and heat-resistance.

www.reference.com/article/density-polycarbonate-d761834c8a37c27

The density of polycarbonate is 1.2 grams per cubic centimeter, determined by dividing the mass by the volume when the polycarbonate is at standard temperature and pressure (STP) conditions. STP assumes a temperature of 68 degrees Fahrenheit and 1 standard atmosphere un...

www.reference.com/article/advantages-polycarbonate-roofing-27ae9dc043060e6e

The advantages of polycarbonate roofing are its durability, ability to block UV rays, weight and resistance to heat and cold. It's also credited with being more resistant to harsh weather than other building materials.

www.reference.com/article/fixed-scratched-glasses-b3a767f683e38d45

To fixed scratched glasses, clean them with water and dish soap, and remove a scratched lens coating with sunscreen. For deeper scratches, buff out the scratches with a paste of baking soda and water or a nonabrasive toothpaste. Use a four-way nail buffer to remove scra...