The Makrolon AR abrasion-resistant polycarbonate sheet has a clear transparent color and meets Underwriters Laboratories (UL) 972 specifications for burglary-resistant glazing materials and UL 94 HB specifications for flame retardance. Makrolon AR polycarbonate (PC) has a hard coating to provide higher abrasion resistance than the general-purpose Makrolon GP, while also still providing toughness, dimensional stability, and impact resistance. It is suitable for flat architectural glazing, machine guards, and laminates. Transparent clear polycarbonate is used as a lightweight, impact-resistant alternative to glass.Plastic refers to a group of synthetic or semi-synthetic materials that have been engineered to achieve specific properties. The most notable characteristics of plastics are its low weight, machinability, corrosion resistance, and typically good thermal and electrical insulating properties. Certain plastic grades also offer optical transparency similar to glass, low-friction or self-lubricating surfaces, and exceptional impact resistance. Depending on their properties, certain plastic grades can be used as alternatives to metal, glass, and ceramic. Unlike metal, plastic may experience creep, which is deformation caused by longtime exposure to a constant load.Tensile strength, used to indicate the material’s overall strength, is the peak stress it can withstand before it breaks. Corrosion resistance describes the material's ability to prevent deterioration caused by atmosphere, moisture, or other medium. Wear resistance indicates the ability to prevent surface damage caused by contact with other surfaces. Toughness describes the material's ability to absorb energy before breaking, while hardness (commonly measured as indentation hardness) describes its resistance to permanent surface deformation. Impact resistance is the measure of a material’s ability to absorb a shock of energy before breaking.Piedmont Plastics distributes a range of plastic brands, such as Makrolon, for the fabrication industry. The company was founded in 1968 and is headquartered in Charlotte, NC.
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