SAFETY SCREEN: Polycarbonate

SAFETY SCREEN: Polycarbonate

• A sturdy polycarbonate 600 x 600mm safety screen.
  (Note: this item is an oversized item and may incur extra freight charges to be delivered to you depending on your location. We will contact you and advise if extra freight charges apply.)

(Wikipedia excerpt: .."...Polycarbonate is a durable material. Although it has high impact-resistance, it has low scratch-resistance. Therefore, a hard coating is applied to polycarbonate eyewear lenses and polycarbonate exterior automotive components. 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 glass.

Polycarbonate has a glass transition temperature of about 147 °C (297 °F),[8] so it softens gradually above this point and flows above about 155 °C (311 °F).[9] Tools must be held at high temperatures, generally above 80 °C (176 °F) to make strain-free and stress-free products. Low molecular mass grades are easier to mold than higher grades, but their strength is lower as a result. The toughest grades have the highest molecular mass, but are more difficult to process...")

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