1) Base paper grammage: 67gsm ±5%

2) Base paper fiber direction: paralleled with printing direction

3) Moisture: 3.5 - 6.5

4) COBB (paper side moisture absorb): 16 ±4gsm

5) Water osmosis time: ≥40 second

6) Alkali-proof osmosis: the whole sheet

7) Label wash off time: ≤6 minutes

8) Water-proof: ≥48 hours

9) Conserve condition: 10 - 25, relative humidity: 45 - 65%