The WQ-II Cylindrical Flexure Tester is used to test the resistance to cracking and peeling from substrate when coatings of pigments, varnishes and related products are bent around the cylindrical shaft. This instrument can be used for test boards with a thickness of no more than 1mm, as long as the shaft is not deformed, and can also be used for thick soft metals such as aluminum test plates and plastic test plates. For boards with a thickness greater than 0.5 mm, it is recommended to avoid using shafts with a diameter of less than 10 mm for testing.
The bending part is a nylon contact plate, which can be adjusted by turning the handle in the position of the round shaft (sleeve). The bent parts can be rotated around the copper sleeve, and the middle of the copper sleeve is used to install various specifications of round shafts. The 20mm, 25mm and 32mm specifications are round sleeves, which can be set on the 16mm round shaft when used. To prevent the coating from being scratched during bending, a piece of tissue paper can be inserted between the test plate and the bent part.

1 piece of 2mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 16mm round shaft, 1 piece of 20mm, 25mm, 32mm round sleeve (set on 16mm round shaft when in use)

