Engineered Hardwood Flooring
Inspection Report
 
 
(China National Standard)
No.
Item check
Unit
Standard
 
 
Inspection result
Item evaluation
Remarks
Grade A
Grade
Qualified
1
Impregnant Desquamated
-
 
 
The total length of hatch for each glue of each side shall be no more than one-third of glue length (less than 3 mms will not be counted)
not to open the gum
AAA+
-
2
Intensity Curve
Mpa
 
 
≥30
 
54.2
AAA+
-
3
Elasticity
Mpa
 
 
≥4000
5620
AAA+
-
4
Moisture
%
 
 
5~14
10.3
AAA+
-
5
Paint Binding
-
 
 
Litte paint peeling off at the incision or the crossing of the incision allowed
Without peeling off
AAA+
-
6
Surface Wearing
g/100r
≤0.08,the paint doesn't wear away
≤0.15,the paint doesn't wear away
 
0.08,the paint doesn't wear away
AAA+
-
7
Surface dirty resistance
-
Without the trace of dirt
 
 
No dirt
AAA+
-
8
Formaldehyde releasing volume
mg/L
 
 
≤1.5
1.0
E1
-
 

TECHNICAL PROCESS