Freight Classes

Pounds per Cubic Foot (PCF)	Class
Less than 1	500
1 but less than 2	400
2 but less than 3	300
3 but less than 4	250
4 but less than 5	200
5 but less than 6	175
6 but less than 7	150
7 but less than 8	125
8 but less than 9	110
9 but less than 10.5	100
10.5 but less than 12	92.5
12 but less than 13.5	85
13.5 but less than 15	77.5
15 but less than 22.5	70
22.5 but less than 30	65
30 but less than 35	60
35 but less than 50	55
50	+50