Brochure | Contact Us | How to Order | Client Referrals °°
Home About Us Products Quality Control Certifications Case Studies
°° °° °°
°°
°°
Quality Control
°°
Overview
°°
Quality Standards
°°
Engineered Wood Flooring
°°
Solid Wood Flooring
  
Laminate Flooring
°°
Inspection Procedures
°°
Lab Testing
  
Guarantees
°°
°°
°°
°°
Brochure
°°
PDF download

You need Adobe Acrobat Reader to view this PDF file.
°°
°°
Home > Quality Standards > Solid Wood Flooring
°°
°°
°°
Oak/Ash | Maple/Birch/Beech | Kempas/Merbau/Walnut | Bamboo
°°
[G] look up term in glossary.

Bamboo°°
Defects Grading
Grade A Grade B Grade C
Unplaned parts and plane marks Surface and profile
Not allowed Not allowed Slight
Back Allowed Allowed Allowed
Tongue missing Lengthwise Not allowed °‹ 10% of length
°‹ 20% of length
Transverse Not allowed °‹ 2 mm °‹ 2 mm
Rot [G] Not allowed Not allowed Not allowed
Colour variation [G] Not allowed Slight Allowed
Crack [G] Not allowed 1 allowed, width °‹ 0.2 mm; length °‹ 10% of plank's length 1 allowed, width °‹ 0.2 mm; length °‹ 30% of plank's length
Wormholes [G] Not allowed Not allowed Not allowed
Ripple Not allowed Not allowed Not distinct
Wane [G] Not allowed Not allowed Not allowed
Stain [G] Not allowed Not allowed °‹ 5% of plank's area (cumulative)
Fungus [G] Not allowed Not allowed Slight
Blister [G] Not allowed 3 allowed, diameter °‹ 0.5 mm 5 allowed, diameter °‹ 0.5 mm
Pin holes [G] Not allowed 3 allowed, diameter °‹ 0.5 mm 5 allowed, diameter °‹ 0.5 mm
Wrinkling [G] Not allowed Not allowed °‹ 5% of plank's area
Exposed undercoat [G] Not allowed Not allowed °‹ 5% of plank's area
Nib [G] Not allowed Not allowed Slight

TOLERANCE ON DIMENSIONS

Length
+/-0.5 mm
Width +/-0.15 mm
Thickness +/-0.5 mm
Tongue's length °› 4.0 mm
Tongue & groove °‹ 0.4 mm
Note: Length and width of planks refer to the respective measurements without including the length of the tongue on the length or width of the plank.

TOLERANCE ON SHAPE AND POSITION

Warp Spring If plank's length °‹ 500 mm, °‹ 0.02% of plank's length is allowed; If > 500 mm, °‹ 0.03% is allowed
Cup Convex warping: °‹ 0.2% of plank's width; concave warping: °‹ 0.15% of plank's width
Bow °‹ 0.3% of plank's length
Gap °‹ 0.2 mm
Height difference between planks at joint °‹ 0.3 mm

OTHERS

Moisture content: 7% °‹ moisture content °‹ balance moisture level of locality
Varnish adherence force: above level 2

°°
°°
°°Copyright © 2009 China Link. All rights reserved.