+ HDF : Green HDF core. The density : 830-880kg/m3
+ Class of use: Class 33
+ Abrasion Class: AC4
+ Swelling rate: below 8%
+ Height difference between 2 planks: below 0.15mm
+ Internal bond: above 1.5N/mm2
+ Surface soundness: above 1.0N/mm3
+ Formaldehyde: E1 Formaldehyde laminate flooring
+ Wax: 4 sides
+ Groove: V-groove painted or T-groove (for large width size)
+ Balance: Yellow or red balance paper
