Common use of Headform test Clause in Contracts

Headform test. 4.1. Indices of difficulty of the secondary characteristics No secondary characteristic is involved. 4.2. Number of test pieces Six flat test pieces (1,170 mm x 570 mm +0/-2 mm) or six complete parts shall be subjected to testing. The table below shows the type of samples subject to testing, in accordance with the dimensions of the glazing to be assessed. Small window Diameter D of the circle capable to be scribed: D < 150 mm No test Other than small window Diameter D of the circle capable to be scribed: 150 < D < 400 mm 1170 mm x 570 mm (material type testing and standard support frame) Other part of same material, production procedure, thickness, colour with dimensions bigger than those of the original part, into which a 400 mm diameter circle can be scribed, and with a developed surface area of less than 1,170 mm x 570 mm (part type approval for the original part 11) Diameter D of the circle capable to be scribed: 400 mm < D 1170 mm x 570 mm (material type testing and standard support frame) Real part (submitted for approval) (part type approval and dedicated support frame)

Headform test. 4.1. Indices of difficulty of the secondary characteristics No secondary characteristic is involved. 4.2. Number of test pieces Six flat test pieces (1,170 mm x 570 mm +0/-2 mm) or six complete parts shall be subjected to testing. The table below shows the type of samples subject to testing, in accordance with the dimensions of the glazing to be assessed. Small window Diameter D of the circle capable to be scribed: D < 150 mm No test Other than small window Diameter D of the circle capable to be scribed: 150 < D < 400 mm 1170 mm x 570 mm (material type testing and standard support frame) Other part of same material, production procedure, thickness, colour with dimensions bigger than those of the original part, into which a 400 mm diameter circle can be scribed, and with a developed surface area of less than 1,170 mm x 570 mm (part type approval for the original part 111) Diameter D of the circle capable to be scribed: 400 mm < D 1170 mm x 570 mm (material type testing and standard support frame) Real part (submitted for approval) (part type approval and dedicated support frame)