| Resistance to surface wear |
350 [Revolutions] |
|
350 (Revolutions] |
|
Resistance to immersion in
boiling water - Mass
increase (%) - Thickness
increase (%) - Appearance
|
10.0 (Maximum]
11.8 (Maximum)
Not worse than 4
|
|
7.5 (Maximum)
8.5 (Maximum)
Not worse than 4
|
|
| Resistance to dry heat 180° c |
Not worse than 4 |
|
Not worse than 4 |
|
| Dimensional stability at deviated temperature - Longitudinal (%) - Transverse (%) |
0.55 (Maximum]
1.025 (Maximum]
|
|
0.44 (Maximum]
0.86 (Maximum]
|
|
| Dimensional stability at 20° c - Longitudinal (%) - Transverse (%)
|
0.375 (Maximum]
0.60 (Maximum)
|
|
0.31 (Maximum)
0.49 (Maximum]
|
|
| Resistance to impact by small diameter ball
|
20 N (Minimum)
|
|
20 N (Minimum) |
|
| Resistance to cracking |
Not worse than 4 |
|
Not worse than 4 |
|
| Resistance to scratching |
2 N (Minimum) |
|
2 N (Minimum) |
|
| Resistance to staining |
Not worse than 5 |
|
Not worse than 5 |
|
| Resistance to colour change (wood standards) - In xenon arc light - In enclosed carbon arc light
|
Not worse than 6
Not worse than 5 |
|
Not worse than 6
Not worse than 5 |
|
| Resistance to cigarette burns |
Not worse than 3 |
|
Not worse than 3 |
|
| Resistance to steam |
Not worse than 4 |
|
Not worse than 4 |
|
| Appearance |
Should be free from foreign particles |
|
Should be free from foreign particles |
|
