Dalian Huiyue Wood CO.LTD

Solid Wood Flooring : OAK
Items	Face			Back
Items	grae A	grade B	grade CD	Back
Sound Knots	Ф＜3㎜ Length≤500㎜≤2pcs	Ф≤8mm Length≤500≤2pcs	Ф≤20㎜ Unlimited	Unlimited
Dead Knots	Not allowed	Ф≤4㎜ Length≤500≤1pcs	Ф≤10㎜≤5pcs	Ф≤20㎜ Unlimited
Worm Hole	Not allowed	Not allowed	Ф≤2㎜≤5pcs Must Puffy	Ф≤15㎜ Unlimited
Black Line	Not allowed	Unlimited	Unlimited	Unlimited
SAP wood	MAPLE Not allowed，BRICH Allowed	＜10﹪ of Area MAPLE，BRICH Allowed	MAPLE Unlimited，BRICH Allowed	MAPLE Unlimited，BRICH Allowed
Rot	Not allowed	Not allowed	Not allowed	Dot＜20﹪ of Area
Damage	Not allowed	Not allowed	Not allowed	Length≤ 30﹪ of length Width≤20﹪ of Width
Crack	Not allowed	Not allowed	0.1×15㎜≤2pcs	Width 0.5㎜ Length 50㎜ Unlimited
Wave Mark	Not allowed	Not allowed	Slightly	Unlimited
Press Mark	Not allowed	Not allowed	Slightly	Unlimited
Scratch	Not allowed	Very Slight	Slightly	Unlimited
Bubble	Not allowed	Not allowed	Not allowed	Unlimited
Lacquer Uneven	Not allowed	Not allowed	Not allowed	Unlimited
Pin	Not allowed	Ф≤0。5≤3pcs	Ф≤0。5≤3pcs	Unlimited
Orange Peal	Not allowed	Not allowed	≤5﹪ of Area	Unlimited
Rough	≤5pcs	≤8pcs	≤8pcs	Unlimited

Milling Tolerance

Bending	Short	Length≤500㎜, allowed≤0.02﹪ of length, Length≥500㎜，allowed≤0.03﹪ of length
	Cupping	Bending≤0.2﹪ of width, Cupping≤0.15% of width
	Banana	≤0.3% of length
Gap		≤0.1㎜
High-Low Difference		≤0.2㎜

Others: MC: 7%≤MC≤EMC; Varnish adherence: A grade 0-1; B grade 2; Varnish Hardness is up to customer's request.

Oak 3-layer 3-strip Engineered flooring quality standard
Location	Defects		Grade A	Grade B	Grade CD
Face Veneer	Live knot		Diameter ≤ 2mm; sparse	Diameter ≤ 5mm; sparse	Diameter ≤ 15mm; sparse
	Dead knot		Not allowed	3 allowed, diameter ≤ 3mm	3 allowed, diameter ≤ 10mm
	Sapwood		Not allowed	Not distinct, natural and harmonic	≤ 25% of plank's area; ≤ 4-6 pieces (mending)
	Colour Variation		Natural and harmonic	Slight	Low contrast
	Rot		Not allowed	Slight	Slight
	Inbark		Not allowed	Not allowed	Light and natural, 2 allowed, diameter ≤ 20mm
	Pith		Not allowed	Not allowed	Not allowed
	Retrorse veins		Not allowed	Slight	Allowed
	Crack		Not allowed	Not allowed	Slight, 1 allowed, diameter ≤ 3mm (mending)
	Veins		FQ mixed	FQ mixed	FQ mixed
	Black/Blue spot		Not allowed	Not allowed	Slight
	Brown line		Not allowed	Not allowed	Allowed
	Dimension shortness		Not allowed	Not allowed	Not allowed
	Glue stains		Not allowed	Not allowed	Slight
	Wormholes		Not allowed	Not allowed	2 allowed, diameter ≤ 2mm (mending)
	Indentation		Not allowed	Not allowed	Slight
	Strong wooden lump		Not allowed	Slight	Slight
	Discolouration		Not allowed	Not allowed	Slight, natural
	Resin pocket		Not allowed	Not allowed	Length < 1mm
	Wane		Not allowed	Not allowed	Slight
	Wood abnormality		Not allowed	Not allowed	Slight
	Face veneer gap	Transverse	0.1mm	0.2mm	0.2mm
	Face veneer gap	Lengthwise	0.1mm, length > 10mm	0.2mm, length > 200mm	0.2mm, length > 300mm
Middle Layer	Middle layer gap		3mm	3mm	3mm
	Rot		Slight, no fall off	Slight, no fall off	Slight, no fall off
	Tongue missing		≤ 20mm (cumulative) ≤ 1% of plank's length	≤ 20mm (cumulative) ≤ 1% of plank's length	≤ 30mm (cumulative) ≤ 3% of plank's length
	Destruction of ends		Not allowed	Slight	≤ 2mm each end
Back Veneer	Bore hole		Diameter ≤ 30mm	Diameter ≤ 30mm	Diameter ≤ 30mm
	Dead knot		No fall off	No fall off	Allowed
	Wormholes		Few	Slight	Mild
	Inbark		Slight	Slight	Allowed
	Cymbate and round mending		≤ 5% of plank's area	≤ 10% of plank's area	Allowed
	Dry crack		Slight	Slight	Length ≤ 1000mm; width ≤ 10mm
	Lack of sanding		Slight	Slight	Allowed
Varnish	Putty mending mark		Not allowed	Not allowed	Slight
	Varnish stains		Not allowed	Not allowed	Slight
	Light not even		Not allowed	Not allowed	Slight
	Varnish protruding over the edge		Not allowed	Not allowed	Slight
	Scratches /Exposed undercoat		Not allowed	Not allowed	Slight
	Varnish not even		Not allowed	Not allowed	Slight
Others	Tongue deflection		Not allowed	Not allowed	Not allowed
	Roughness of the tongue and groove		Not allowed	Not allowed	Slight
	Wanting arris		Not allowed	Not allowed	Slight
	Joining of tongue and groove		Good fit	Good fit	Good fit
	Cup warping concave		Not allowed	Chord ≤ 0.15% of plank's width	Chord ≤ 0.15% of plank's width
	Cup warping convex		Chord ≤ 0.20% of plank's width	Chord ≤ 0.20% of plank's width	Chord ≤ 0.20% of plank's width
	Bow warping concave		Chord ≤ 0.10% of plank's length	Chord ≤ 0.10% of plank's length	Chord ≤ 0.20% of plank's length
	Bow warping convex		Chord ≤ 0.50% of plank's length	Chord ≤ 1% of plank's length	Chord ≤ 1% of plank's length
	Height difference		0.1mm	0.1mm	0.1mm
	Roughness of ends		Not allowed	Not allowed	Slight
	Tolerance on Dimensions		Length (+/-) 1mm,Width (+/-) 0.1mm,Thickness (+/-) 0.1mm,Gap 0.1mm

Oak 1-strip quality Standard
Location	Defects	GradeA	Grade B	Grade C	Grade D
Face Veneer	Live knot	Diameter ≤ 2mm ; sparse	Diameter ≤ 5mm ; sparse	3 allowed, diameter ≤ 10mm	Not restricted
	Dead knot	Not allowed	2 allowed, diameter ≤ 2mm	2 allowed, diameter ≤ 5mm , sparse	3 allowed, diameter ≤ 15mm , sparse
	Sapwood	Not allowed	Not distinct, natural and harmonic	≤ 5% of plank's width (mending)	≤ 30% of plank's width (mending)
	Colour variation	Not allowed	Not allowed	Slight and natural	Natural and harmonic, low contrast
	Rot	Not allowed	Not allowed	Not allowed	Not allowed
	Inbark	Not allowed	Not allowed	Not allowed	2 allowed, length ≤ 15mm ; width ≤ 4mm (mending)
	Pith	Not allowed	Not allowed	Not allowed	Not allowed
	Crack	Not allowed	Not allowed	Not allowed	Not allowed
	Brown line	Not allowed	Not allowed	2 allowed, sparse length ≤ 15mm ; width ≤ 3mm	4 allowed, length ≤ 30mm ; width ≤ 5mm
	Stains	Not allowed	Not allowed	Not allowed	Not allowed
	Wormholes	Not allowed	Not allowed	Not allowed	5 allowed, sparse diameter ≤ 2mm (mending)
	Plinth mark	Not allowed	Not allowed	Not allowed	Not allowed
	Discolouration	Not allowed	Not allowed	Not allowed	Slight and natural
	Wane	Not allowed	Not allowed	Not allowed	Not allowed
Middle Layer	Middle Layer Gap	3mm	3mm	3mm	3mm
	Rot	Slight, no fall off	Slight, no fall off	Slight, no fall off	Slight, no fall off
	Tongue missing	≤ 20mm (cumulative) ≤ 1% of plank's length	≤ 20mm (cumulative) ≤ 1% of plank's length	≤ 20mm (cumulative) ≤ 2% of plank's length	≤ 30mm (cumulative) ≤ 3% of plank's length
	Destruction of ends	Not allowed	Not allowed	Slight	≤ 2mm each end
Back Veneer	Bore hole	Diameter ≤ 30mm	Diameter ≤ 30mm	Diameter ≤ 30mm	Diameter ≤ 30mm
	Dead knot	No fall off	No fall off	No fall off	Allowed
	Wormholes	Few	Few	Slight	Mild
	Inbark	Slight	Slight	Slight	Allowed
	Cymbate and round mending	≤ 5% of plank's area	≤ 5% of plank's area	≤ 10% of plank's area	Allowed
	Dry crack	Slight	Slight	Slight	Length ≤ 1000mm ; width ≤ 10mm
	Lack of sanding	Slight	Slight	Slight	Allowed
Varnish	Putty mending mark	Not allowed	Not allowed	Not allowed	Slight
	Varnish stains	Not allowed	Not allowed	Not allowed	Slight
	Light not even	Not allowed	Not allowed	Not allowed	Slight
	Varnish protruding over the edge	Not allowed	Not allowed	Not allowed	Slight
	Scratches /Exposed undercoat	Not allowed	Not allowed	Not allowed	Slight
	Varnish not even	Not allowed	Not allowed	Not allowed	Slight
Others	Tongue deflection	Not allowed	Not allowed	Not allowed	Not allowed
	Roughness of the tongue and groove	Not allowed	Not allowed	Not allowed	Slight
	Wanting arris	Not allowed	Not allowed	Not allowed	Slight
	Joining of tongue and groove	Good fit	Good fit	Good fit	Good fit
	Cup warping concave	Not allowed	Not allowed	Chord ≤ 0.15% of plank's width	Chord ≤ 0.15% of plank's width
	Cup warping convex	Chord ≤ 0.20% of plank's width	Chord ≤ 0.20% of plank's width	Chord ≤ 0.20% of plank's width	Chord ≤ 0.20% of plank's width
	Bow warping concave	Chord ≤ 0.10% of plank's length	Chord ≤ 0.10% of plank's length	Chord ≤ 0.10% of plank's length	Chord ≤ 0.20% of plank's length
	Bow warping convex	Chord ≤ 0.50% of plank's length	Chord ≤ 0.50% of plank's length	Chord ≤ 1% of plank's length	Chord ≤ 1% of plank's length
	Height difference	0.05mm	0.05mm	0.05mm	0.05mm
	Roughness of ends	Not allowed	Not allowed	Not allowed	Slight
	Tolerance on dimensions	Length (+/-) 1mm ,Width (+/-) 0.1mm ,Thickness (+/-) 0.1mm ,Gap 0.1mm

ORDERING DETAILS

MINIMUM ORDER: 200SQ.M

DELIVERY TIME: ABOUT 25 DAYS

SAMPLE AVAILABLE: SMALL PIECES OF SAMPLES FREE OF CHARGE; FULL LENGTH SAMPLES SHOULD BE PAID BEFORE EXPRESSING.

QUALITY CONTROLLING

PROTECTING PRODUCTS-RANDOMLY SELECTS CARTONS TO BE INSPECTED PLANK STABILITY-VERIFY MOISTURE CONTENT SCRATH RESISTANT-TEST VARNISH HARDNESS RESISTANCE AGAINST FLAKING-TEST VARNISH ADHERENCE FITTEST SPECIFICATION-VERIFY VARNISH BRIGHTNESS AND PRECISION MEASURES TO EACH PLANK AND ITS COMPONENT PARTS.

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