The special jig for three-points bending tests such for tiles. It will be produced in accordance with each standard.
This jig is for bending tests of the boards. The upper jig which presses the testing sample has R=230mm. The photo shows a sort of support by this a sample does not move even during a repeat test.
Four-points bending jigs in accordance with a standard such as 'JIS R 1601', or other user's standards can be produced. There is a fixed type for each span as well as adjust table type.
This jig is aimed to grip the testing sample and then to bend, which is a different from ordinary bending test.