Document ID: chunk:federal_register_of_legislation:F2006L01788:front:0:p3
Version: federal_register_of_legislation:F2006L01788
Segment Type: other
Provision Reference: 
Character Range: 8453–11560

indicator has a 'Groove' depth of 1.60 + 0.40, - 0.25 mm.
23.2.2.2.                      Test requirements
23.2.2.2.1.              Test sample selection
         Three new tyres having identical characteristics when described according to requirements of clause 23.2.3 must comprise a test sample:
23.2.2.2.1.1.       one tyre must be used for physical dimensions, resistance to 'Bead' unseating, and strength, in sequence;
23.2.2.2.1.2.       a second tyre must be used for tyre endurance; and
23.2.2.2.1.3.       a third tyre for high speed performance.
23.2.2.2.2.              In the tests, pressures must be established within 10 kPa or one psi (as appropriate) of the values specified for each test.
23.2.2.2.3.              Physical dimensions requirements
         Each tyre must conform to each of the following when measured in accordance with clause 23.3.1:
23.2.2.2.3.1.       its actual 'Section Width',  'Overall Tyre Width' and 'Tyre Outer Diameter' dimensions must be within the maxima and minima specified in the 'Nominated Standard' for a new tyre of that size designation and type.
23.2.2.2.3.2.       where the 'Nominated Standard' specifies a minimum 'Size Factor', the tyre's 'Size Factor' must be at least as large as the specified minimum 'Size Factor' for its size designation and type.
23.2.2.2.4.              Resistance to 'Bead' unseating requirements (for tubeless tyres only). When tested in accordance with clause 23.3.2 the applied force required to unseat the tyre 'Bead' at the point of contact must not be less than:
23.2.2.2.4.1.       6,670 N for tyres with a 'Specified Design Section Width' of less than 6.3 inches, or 160 mm;
23.2.2.2.4.2.       8,890 N for tyres with a 'Specified Design Section Width' of 6.3 inches or 160 mm or more but less than 8 inches or 205 mm; or
23.2.2.2.4.3.       11,120 N for tyres with a 'Specified Design Section Width' of 8 inches or 205 mm or more.
23.2.2.2.5.              Tyre strength requirements
         Each tyre must meet the requirements for minimum breaking energy specified in Table 3 when tested in accordance with clause 23.3.3.
23.2.2.2.6.              Tyre endurance requirements
         After completion of the laboratory test wheel endurance test specified in clause 23.3.4 no tyre is to have 'Tread Separation', 'Ply Separation', 'Cord Separation', 'Belt Separation' or 'Bead Separation', 'Chunking', or broken cords.
23.2.2.3.                    High speed test requirements
         After completion of the high speed test specified in clause 23.3.5 no tyre is to have 'Tread Separation', 'Ply Separation', 'Cord Separation', 'Belt Separation' or 'Bead Separation', 'Chunking' or broken cords.
23.2.3.                          Labelling Requirements. Each tyre must be conspicuously labelled on both 'Sidewalls' in the case of symmetrical tyres and at least on the outer 'Sidewall' in the case of 'Asymmetrical Tyres' with each of the following permanently moulded in letters and figures at least 3.8 mm high and depth at least 0.25 mm if below the background surface or 0.4 mm if above the background surface: