Table 1.
Physical and surface quality properties of AS and SAS samples of 2.4% (IN) PHMB-HPL.
| Physical Property | Test Method [28] | Required Rating | Rating * |
|---|---|---|---|
| Resistance to immersion in boiling water | EN 438-2:12 | ≥4 | 4 |
| Resistance to water vapour | EN 438-2:14 | ≥4 | 5 |
| Resistance to dry heat (180 °C) | EN 438-2:16 | ≥4 | 4 |
| Resistance to impact by small diameter ball | EN 438-2:20 | ≥20 N | 30 N |
| Resistance to scratching | EN 438-2:25 | ≥4 | 3 |
| Resistance to staining (groups 1, 2 & 3) | EN 438-2:26 | ≥4 | 5 |
(*) 1 = Surface damage, 2 = Severe appearance alteration, 3 = Moderate change, 4 = Slight changes visible from certain angles, 5 = No change.