FIBRES
Types
Natural
Vegetable
Woody
Hardwood
Oak
Elm
Ash
Birch
Eucalyptus
Softwood
Pine
Spruce
Fir
Non-wood
Abaca
Straw
Hemp
Flax
Jute
Bagasse
Bamboo
Esparto
Cotton
Recycled
Group 4 - Kraft grades
Group 2 - Medium
Group 1- Normal
Group 5 - Kraft grades
Group 3 - Heavy
Animal
Mineral
Synthetic
Metal
Ceramic
Organic
Pulping Methods
Mechanical
Grindstone
Refiner
Chemical
Sulphate
Sulphite
Soda
Composition
Chemical
Ash
extractives
Lignin
Hemicellulose
Cellulose
Physical
Walls
Fibrils
Microfibrils
Cellulose Chains
Glucose
Trearment
Beater
Refiner
Conical
Wide Angle (Claflin)
Narrow Angle (Jordan)
Disk
Single Disk
Double Disk
Cleaning