Grades of pulp are listed based on their pulping process, raw material used or type of bleaching etc. it varies from complete mechanical to complete chemical pulping process and any combination in between.
Fully Mechanical (GW, PGW, RMP)
Mechanical & Thermal (TMP)
Semi-mechanical, semi-chemical (CTMP)
Semi chemical (NSSC, Cold Soda)
Fully Chemical (Sulfite, sulfate)
Soft Cook Fully Chemical (Rayon, viscose)
Wood (HW, SW)
Agricultural Residue (Straws)
Annual Plants & Grasses (Hemp, Jute, Kenaf, Bamboo)
Rags
Recycled or secondary Fiber
Deinked
Totally Chlorine Free (TCF)
Elemental Chlorine Free (ECF)
Chlorine Bleaching (Chlorine gas & Hypochlorite)
Oxygen/Ozone Bleached.
Unbleached
Very High Yield (>95%) - GW, PGW
High Yield (85-95%) - RMP, TMP
Medium High Yield (65-85%) - CTMP, NSSC, CMP
Medium Yield (45-65%) - (Sulfite, Sulfate)
Medium Low Yield (35-45%) Straw, Grass, Bagasse chemical pulp
Low Yield ( < 35%) - Rayon, viscose
Long Fiber Pulp (>10mm) - Cotton, Hemp, Flax, Jute
Medium Fiber Pulp (2 - 10mm) - Northern S/W, H/W
Short Fiber Pulp ( < 2mm) - Tropical H/W, straws, grasses
| Fiber Length: | 1.0-1.3 mm |
| Fiber Width: | 18-19 µm |
| Wall Thickness: | 2.0-3.0 µm |
| Fiber Coarseness: | 86 micro g/m |
| Fiber Length: | 1.1-1.5 mm |
| Fiber Width: | 16-22 µm |
| Wall Thickness: | 3.0-3.6 µm |
| Fiber Coarseness: | 114 micro g/m |
| Fiber Length: | 0.9-1.5 mm |
| Fiber Width: | 10 µm |
| Wall Thickness: | |
| Fiber Coarseness: | 90 micro g/m |
| Fiber Length: | 0.9-1 mm |
| Fiber Width: | 14-16 µm |
| Wall Thickness: | 4-4.5 µm |
| Fiber Coarseness: | 80-90 micro g/m |
| Fiber Length: | 1.0-1.5 mm |
| Fiber Width: | 16-22 µm |
| Wall Thickness: | 2.0-3.6 µm |
| Fiber Coarseness: | 86-114 micro g/m |
| Fiber Length: | 0.9-1.5 mm |
| Fiber Width: | 15-25 µm |
| Wall Thickness: | 2.0-3.6 µm |
| Fiber Length: | 2.5 mm |
| Fiber Width: | 30 µm |
| Wall Thickness: | 3.7-4.0 µm |
| Fiber Coarseness: | 250 micro g/m |
| Fiber Length: | 3.0-3.7 mm |
| Fiber Width: | 27-38 µm |
| Wall Thickness: | 2.9-3.0 µm |
| Fiber Coarseness: | 160-200 micro g/m |
| Fiber Length: | 3.0-3.7 mm |
| Fiber Width: | 27-38 µ m |
| Wall Thickness: | 2.9-3.5µ m |
| Fiber Coarseness: | 160-200 micro g/m |
| Fiber Length: | 1.4-1.8 mm |
| Fiber Width: | 18-32 µm |
| Wall Thickness: | 5.0 µm |
| Fiber Coarseness: | 130-200 micro g/m |
| Fiber Length: | 3.8-4.4 mm |
| Fiber Width: | 36-40 µm |
| Wall Thickness: | 5.0-10 µm |
| Fiber Coarseness: | 230-300 micro g/m |