Okoume Face Veneer Grading Norms
We follow the Standard Grading Norms ofGSEZ Wood and Veneer Association (NKOK, Liberville, Gabon) for our Okoume Face Veneer. |
A Grade Face Veneer:
A Grade | |
Open Splits | Not Allowed |
Head Crack | Head Crack Allowed |
Discolour | Natural Discolour partially allowed |
Hole | No hole (Including worm, repair, or material) |
Joint | Complete one piece (No joint) |
Face | Smoothly face (No frizzy) |
Live Knots | Live Knots / Eye allowed any number |
Dead Knots | Not Allowed |
Pin Borer | Not Allowed |
Cutter Borer | Not Allowed |
Chain Borer | Not Allowed |
Face Jali | Not Allowed |
B Grade Face Veneer:
B Grade | |
Open Splits | “C” Grade sheet with Minor Split allowed |
Head Crack | Head Crack is allowed |
Discolour | A small part of discoloration |
Hole | No hole (Including worm, repair, or material) |
Joint | Complete one piece (No joint) |
Face | Smoothly face (No frizzy). |
Live Knots | Live Knots / Eye allowed any number |
Dead Knots | 01/02 very minor dead knot allowed; but if whole sheet is having no defect, then ONE coin size hole will be allowed. |
Pin Borer | Pin borer allowed upto only few numbers per sheet. Allowed 10%-15% of total surface area of face leaf. |
Cutter Borer | Generally cutter/s are not allowed but if face is clean, then 02-03 numbers of 1/2” long are allowed per sheet. |
Chain Borer | Chain Borer not allowed. |
Face Jali | 10% allowed, if face leaf is of good colour and having no other defects. |
C Grade Face Veneer:
C Grade | |
Open Splits | 50% split maximum 120cm |
Edge Cracks | Allowed to any extent |
Discolour | Natural Discolour allowed to any extent, white discolour allowed to any extent. Discoloration no limit |
Dead Knots | 02 to 03 numbers of dead knot, or even hole of diameter of Tennis Ball size is allowed per sheet. |
Hole | Small hole from worm |
Joint | Complete one piece (No joint) |
Face | Smoothly face (No frizzy) |
Repair | Maximum 10% repair c grade veneer |
Pin Borer | Pin borer allowed. |
Cutter Borer | Allowed. |
Chain Borer | Allowed. |
Face Jali | Allowed. |
D Grade Face Veneer:
D Grade | |
Edge Cracks | Allowed to any extent. |
Discolour | Natural Discolour allowed to any extent, white discolour allowed to any extent. |
Live Knots | Live Knots allowed any number. |
Dead Knots | 03 to 05 numbers of dead knot, or even hole of upto 6.0 inch diameter is allowed per sheet. |
Pin Borer | Pin borer allowed. |
Cutter Borer | Allowed. |
Chain Borer | Allowed. |
Face Jali | Allowed. |