Document ID: chunk:federal_register_of_legislation:F2015C00542:reg:1:p23
Version: federal_register_of_legislation:F2015C00542
Segment Type: reg
Provision Reference: reg 1 (pt 23/43)
Character Range: 204799–207696

new set of four test pieces for each point of impact for which it had originally given an unsatisfactory result, the four new tests, performed at the same impact points all give a satisfactory result.

Annex 9
  Safety glazing faced with plastics material

  (on the inside)
1. Definition of type
 Safety glazing materials, as defined in Annexes 4 to 8, if coated on the inner face, with a layer of plastics material, shall conform not only to the requirements of the appropriate annexes but also to the following requirements.
2. Test of resistance to abrasion
2.1. Indices of difficulty and test method
 The plastics coating shall be subjected to a test for 100 cycles in accordance with the requirements specified in Annex 3, paragraph 4.
2.2. Interpretation of results
 The plastics coating shall be considered satisfactory with respect to abrasion resistance if the light scatter as a result of abrasion of the test piece does not exceed 4 per cent.
3. Resistance-to-humidity test
3.1. In the case of plastics-coated toughened safety glazing material a resistance-to-humidity test shall be performed.
3.2. The requirements of Annex 3, paragraph 7., shall apply.
4. Test of resistance to temperature changes
 The requirements of Annex 3, paragraph 8., shall apply.
5. Fire-resistance test
 The requirements of Annex 3, paragraph 10., shall apply.
6. Test of resistance to chemicals
 The requirements of Annex 3, paragraph 11.2.1., shall apply.

Annex 10
  Glass-plastics windscreens
1. Definition of type
 Glass-plastics windscreens shall be considered 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. The trade names or marks,
1.1.2. The shape and dimensions.
 Glass-plastics windscreens shall be deemed to belong to a group for the purposes of tests of mechanical strength, resistance to the environment, resistance to temperature changes and resistance to chemical agents,
1.1.3. The number of plastics layers,
1.1.4. The nominal thickness 'e' of the windscreen, a manufacturing tolerance
of ±0.2 mm being allowed,
1.1.5. The nominal thickness of the layer of glass,
1.1.6. The nominal thickness of the layer(s) of plastics acting as interlayer(s),
1.1.7. The nature and type of the layer(s) of plastics acting as interlayer(s) (e.g. PVB or other material) and of the plastics layer situated on the inner face,
1.1.8. Any special treatment the glazing may have undergone.
1.2. The secondary characteristics are as follows:
1.2.1 The nature of the material (plate glass, float glass, sheet glass),
1.2.2. The colouring (total or partial) of any layer(s) of plastics (colourless or tinted),
1.2.3. The colouring of the glass (colourless or tinted),
1.2.4. The incorporation or otherwise of conductors,
1.2.5. The incorporation or otherwise of opaque obscuration.