| 01/03/2009 | |||||||||
| Classification | Lumber core construction | Plywood based construction | |||||||
| Product thickness | 14 / 19 / 22 mm | 10 / 10.5 / 11 mm | |||||||
| Joint | Regular T&G and Loc G5 from Valinge | Regular T&G or Loc G2 from Valinge | |||||||
| Face layer | Sawn cut / Rotary cut, t= 3.4 / 5.4 mm nominal | Sawn cut / Rotary cut, t= 2.4 / 3.4 / 4.0 mm nominal | |||||||
| Middle layer | Plantation lumber core or WBP Plywood | WBP glued plywood | |||||||
| Back layer | Plantation Rotary veneer or Sawn cut back layer | None or Sawn cut back layer | |||||||
| Moiture content | 7% +/- 2% | 7% +/- 2% | |||||||
| Glue type | Low Formaldehyde Emission /E-1 Glue, or B4-Glue (F4 star). | Melamine or B4-Glue (F4 star). Possible for heating floor | |||||||
| SURFACE FINISHING | |||||||||
| Coating type | 1. UV Acrilyc Antiscratch lacquer - Number of layers = 6 x - Quantity = +/- 75 ~ 100 gram /m2 |
||||||||
| 2. UV ceramic lacquer, +/- 75 ~ 100 gr/m2 - Number of layers = 7 x - Quantity = +/- 100 gram /m2 - Glossiness = 30% +/- 5% |
|||||||||
| 3. UV Oil - Number of layers = 3 x - Quantity = +/- 25 ~ 40 gram /m2 - Glossiness = 10% +/- 5% |
|||||||||
| 4. Oxidative Oil - Number of layers = 2 x - Quantity = +/- 15 ~ 20 gram /m2 - Glossiness = 5% +/- 5% |
|||||||||
| Face layer grading | 1. For White Oak, Red Oak, Beech, Maple, Cherry, Ash, Walnut, generally consist of 3 grades i.e. Classic, Natural, Active. |
||||||||
| 2. For Iroko, Doussie, Merbau, Kempas, Hevea, other local species, generally 1 grade only, i.e. Luxus or Classic |
|||||||||
| Visual Wood Grading | Luxus / Classic | Natural | Active | |||||||||
| Wood Grain | mixed cut | mixed cut | mixed cut | |||||||||
| Sound knots | max 10mm | max 20mm | max 30mm | |||||||||
| Dead/loose knots | not allowed | max 5mm, putty filled | repaired, acceptable | |||||||||
| Sapwood allowance | Upto 15% | Upto 30% | Upto 30% | |||||||||
| Putty repair | small allowed | allowed | allowed | |||||||||
| Wood color | some variation | variation allowed | variation allowed | |||||||||
| Brown heart | slight allowed | allowed | allowed | |||||||||
| Positive bowing | ||||||||||||
| Short lengths | ||||||||||||