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Pentagon Mandrel Bend Test

Art. No.: 12085

Pentagon Mandrel Bend ASTM D522

The Pentagon Mandrel Bend Test Apparatus is made for the evaluation of coating systems. 

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  • The Pentagon Mandrel Bend Test Apparatus is constructed of black anodized aluminum.
  • The Pentagon design provides a completely self-contained unit with no loose parts.
  • Paramount importance in the design is the plate backing of the 1/8 and 1/4 inch mandrels which eliminate errors of mandrel flexing.
  • The Pentagon Mandrel Apparatus is ruggedly and attractively constructed. It will accommodate essentially all standard test panels.
  • Mandrel size is etched in the thicker side panel after anodizing for permanence and ease of identification.
  • There are two side plates, each of pentagon shape.
    • Each of the five sides are 6.5 inches long, resulting in a 10.0 inch high assembly.
    • One of the side plates is 1/8 inch thick and has one of the sides rounded to form a high-strength mandrel of this thickness.
    • The other side plate is identical except it has a thickness of 1/4 inch and provides the 1/4 inch mandrel.
    • The side plates are separated by five bars, each secured near the points of the side plates at center to center distance of 5.5 inches.
    • The bars are each 5.5 inches long and have diameters of 3/8, 1/2, 5/8, 3/4 and 1 inch.
  • The properties of coating systems measured by the Mandrel Bend Test are rapidly increasing in importance due to the gain in popularity of coil coating where the coated base material is subjected to a forming operation. Most any base material that will later be subjected to a forming operation can be accommodated.

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