Common use of Test under load Clause in Contracts

Test under load. 9.2.1. Indices of difficulty and test method The requirements of Annex 3, paragraph 11.2.4. shall apply. 9.2.2. Interpretation of results A set of four samples, not being the ones mentioned in paragraph 6.6.1. above, for each chemical shall be tested. Three samples out of four shall give satisfactory results for each chemical. 1. Definition of type Laminated rigid plastic windscreens shall be deemed to belong to different types if they differ in at least one of the following principal or secondary characteristics. 1.1. The principal characteristics are as follows: 1.1.1. Trade names or marks. 1.1.2. The chemical designation of the single sheet material. 1.1.3. The classification of the material by the manufacturer. 1.1.4. The process of manufacture. 1.1.5. The shape and dimensions. Laminated rigid plastic windscreens shall be deemed to belong to one group for the purposes of tests of mechanical properties and of resistance to the environment. 1.1.6. The nominal thickness 'e' of the pane, a manufacturing tolerance of ± n • x mm being allowed ('n' being the number of layers of rigid plastic in the windscreen and x is the manufacturing tolerance of the single rigid plastic sheets in the windscreen, its value is depending on the process of manufacture and being given in Annex 14, paragraph 1.1.6.). 1.1.7. The nominal thickness of the interlayer or interlayers, 1.1.8. The nature and type of the interlayer or interlayers, e.g. PVB or other plastics-material interlayer or interlayers, 1.1.9. Any special treatment which one of the layers of plastic may have undergone. 1.1.10. The colouring of the plastic product. 1.1.11. The nature of the surface coating. 1.2. The secondary characteristics are as follows: 1.2.1. The colouring (total or partial) of the interlayer or interlayers (colourless or tinted). 1.2.2. The incorporation or otherwise of opaque obscuration. 1.2.3. The presence or absence of conductors or heating elements.