DRY WIPE BOARDS
| Sizes | 1220 x 2440 & 1300 x 3050 mm |
|---|---|
| Thickness | 0.7 mm to 3 mm |
Technical Specification
| Sr No | Properties | Unit | Requirement as per EN438:2005 | Alfaica Conforms |
|---|---|---|---|---|
| 1 | Thickness | 1 mm | (± 0.10 mm) | √ |
| 2 | Length / Width | 2440 x 1220 mm 3050 x 1300 mm |
(± 10, - 0 mm) (± 10, - 0 mm) |
√ √ |
| 3 | Appearance | - | Should be free from foreign particles | YES |
| 4 | Density | gm/cm³ | 1.41 | 1.45 |
| 5 | Dimensional stability | % Max – “L” % Max – “T” |
0.55 (max) 1.05 (max) |
√ √ |
| 6 | Wear Resistance | Cycles (min) | 350 | 400 |
| 7 | Resistance to dry heat @ 180℃ | Grade | 4 | >4 |
| 8 | Boiling water Resistance | Mass Increase % (max) Thickness Increase % (max) |
10 11.8 |
8 9 |
| 9 | Resistance to Steam | Grade | 4 | >4 |
| 10 | Resistance to Cigarette Burn | Grade | 3 | >3 |
| 11 | Resistance to Ball impact | NEMA LD3 (3.9) (mm) | 900 | 1000 |
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GREEN CHALK BOARD
