| 
 No.  | 
 Thickness (mm.)  | 
 Basic Weight (gsm.)  | 
|---|---|---|
| 
 # 8  | 
 0.70  | 
 420  | 
| 
 # 10  | 
 0.85  | 
 510  | 
| 
 # 12  | 
 1.03  | 
 620  | 
| 
 # 16  | 
 1.40  | 
 840  | 
| 
 # 20  | 
 1.70  | 
 1,020  | 
| 
 # 24  | 
 2.07  | 
 1,240  | 
| 
 # 28  | 
 2.40  | 
 1,440  | 
| 
 # 32  | 
 2.80  | 
 1,680  | 
| 
 # 36  | 
 3.10  | 
 1,860  | 
| 
 # 40  | 
 3.40  | 
 2,040  |