SAE | Ash Content | Density | Color | Wool Content | Thickness | |
(Max.) | Gm/ccm | % | Range | |||
0.384 |
white |
95 |
1/8 to 1 |
ExtraFirm | ||
F1 | 1.5 | 0.342 | white | 95 | 1/8 to 1 | Firm |
F2 | 2 | 0.342 | Allexp grey | 95 | 1/8 to1 | Firm |
F3 | 2.5 | 0.33 | grey | 90 | 1/8 to 1 | |
F5 | 2 | 0.262 | white | 95 | 1/8 to 1 | Med Firm |
F6 | 2.5 | 0.262 | grey | 92 | 1/8 to 1 | Med Firm |
F7 | 3 | 0.262 | grey | 80 | ||
F-10 | 2.5 | 0.181 | white | 95 | Soft | |
F-11 | 3 | 0.181 | grey | 92 | Soft | |
F-12 | 3.5 | 0.181 | grey | 85 | ||
F-13 | 3.5 | 0.181 | grey | 75 | ||
F-15 | 4 | 0.181 | grey | 55 | ||
F-26 | 5 | 0.154 | grey | 40 | ||
F-50 | 1.5 | 0.33 | white | 95 | ||
F-51 | 2.5 | 0.33 | grey | 90 | ||
F-55 | 3 | 0.256 | grey/blk | 80 |
