SPC floor production quality standards and formula reference
The main quality requirements of SPC flooring No. Item Requirements 1 Thickness deviation ±0.05mm 2 Density 1.9~2.1g/cm³ 3 Shrinkage ≦0.1% (80 ℃ 6 hours) 4 Warpage ≦0.5mm/m 5 Verticality and straightness ≤0.25mm within ≤400mm Within ≥400mm≤0.35mm 6 Anti-slip index ≥0.30mm 7 Locking clearance ≤0.10mm 8 Pulling force of lock normal temperature 23℃ 5mm>13-15kgs/5cm 4.2mm>12kgs/5cm >15-