BB/CC Face - Utility Veneer Core - Sanded Regular Back Grade

Product Name	Commercial Plywood
Grade	BB/CC – UTVC – SRB
Face & Back Veneer	Okoume / Bintangor
Core Veneer	Poplar
Glue Type	Type II MR (Moisture Resistance: Interior, Urea Formaldehyde)
Thickness	2.7mm(3ply) / 3.6mm(4ply) / 5.2mm(5ply) / 8mm(7ply) 9mm(7ply) / 12mm(9ply) / 15mm(11ply) / 18mm(13ply)
Size(mm)	1200 x 2400 / 1220 x 2440 / 1250 x 2500

BB/CC Grade for Face (Okoume)

Live Knots	25.4mm Max. Diam.
Dead Knots	Well puttied & color matched
Knotholes	12.7mm Max. Diam. Puttied & color matched / 19mm Max. Diam.
Burls	Yes
Color Variation	Slightly
Stain & Mineral Streak	Blending
Dry Pitch & Bark Pockets	Well puttied & Color matched
Wormholes, Pinholes	11 per 1M2, 32 per 1220 x 2440. 1.6mm Max Diam.
Worm Tracks	Filled linear hole 15.9mm Max. well puttied
Vane Marks	Blending, Smooth
Cross Breaks	Hairline 50.8mm Max. length
Doze	Firm, Slight, well Puttied, Blending

Utility Grade for Veneer Core (Poplar)

Laps	A few, not visible & not touchable on face, strongly bonded to avoid delaminating.
Voids	Yes, less than 3.0mm, one-two in single layer.
Shims	Yes
End Split	Yes, not visible on face
Uneven Core Thickness	Yes, symmetrically composed
Numbers of Components	Not specified

Sanded Regular Back Grade for Back Face (Okume)

Boat or Large Symmetrical Patches	Yes
Live Knots	Yes
Dead Knots	Puttied
Knotholes	19mm max diameter. Puttied, blending
Burls	Yes
Color Variation	Yes
Stain & Mineral Streak	Yes
Dry Pitch & Bark Pockets	Puttied
Wormholes, Worm Tracks	Puttied
Vane Marks	Yes
Cross Breaks	Yes
Doze	Puttied

Manufacturing Standard

Item	BB/CC Face Veneer	Sanded Regular Back
Joint	Not allowed	One is allowed
Wrinkles & Delaminating	Not allowed.	Not allowed
Open Splits	Hair line	Allowed
Filled or Puttied Splits	Hair line, 152mm Max. on panel end only	One, Max. 9.5mm x 508mm
Fill & Putty Smear	Three 1.6mm x 356mm at each end, color matched	One, Max. 9.5mm x 508mm
Rough Cut & Ruptured Grain	Color matched	Yes
Knife Marks	Not allowed	Yes
Tape & Glue Residue	Not allowed	Yes
Sanding	Sanded	Sanded

Physical Test

Moisture Contents	Less than 12%
Adhesion	Resistant 2 hours boiling & 3 hours drying at 60°C
Thickness Tolerance	±0.2mm for 5.5mm & less, ±0.5mm for 6mm & thicker
Allowance in Width & Length	±2.0mm
Diagonal Allowance	Max. 3.0mm
Warp	0.1% (1.22mm against 1,220mm wide, 2.44mm against 2,440mm long)