Product Name:okoume veneer C + grade
Description
C grade | ||
1 | (Thickness tolerance) | according tocontract(normally±0.05mm) |
2 | moisture content(in transport) | 12% |
3 | dimension tolerance | 1270mmm×2540mm |
width:+25.4mm-0;length:+25.4mm-0;diagonal:+25.4mm | ||
4 | square | within 6.3mm |
5 | cracking caused by wrong dry processing | not allowed |
6 | high-low interleaving casued by slopes | maximum length of 25.4mm measured according to diagonal |
7 | pasting adhesive tape on both sides | adhesive tape needed,but pasting on the middle of floor is forbiden, adhesive tape length standard is 5cm,if tape lenth over 5cm ,above D grade(incuding D) is not permitted. |
8 | closureable fracture | acceptable maximum length is 455mm,and each end has 2 fractures after adhesive tape pasting |
9 | closureable fracture | 1.6mm×(maximum length)255mm is acceptable,and each end has 1 fracture after adhesive tape pasting |
10 | open joint | 1.6mm×(maximum length)305mm is acceptable, and each end has 1 open joint after adhesive tape pasting |
11 | joint off | not allowed |
12 | sound pin knots | (appeared seldom and distributed dispersively ) |
13 | sound tight knot | not allowed |
14 | sound burr | allowed if dispersive |
15 | Mineral line and chromatic aberration | little bit |
16 | knot holes | not allowed |
17 | decay rot,resin fleck,glue marks and other machine marks | not allowed |
18 | heartwood colour mixed with sapwood colour | buyers and sellers coordinates with each other |
19 | roughness of panel face | panel face roughness do not look obviously with shadow on panel |
20 | washboard grain | not allowed |
21 | sapwood | a little bit is allowed |
22 | worm holes | not allowed |
23 | worm holes: less than 1.6mm | distributing dispersively is allowed and do not look clear |
24 | repairing | not allowed |
25 | colour flecks | symmetry on veneer slope 's colour and grain is allowed |
26 | marks of parasitic plants | not allowed |
27 | lineation | not allowed |
28 | dog holes | not allowed |
29 | grease spot | not allowed |
30 | filament | not allowed |