Chain of Custody Yield Factor Reconciliation across Multi-Site Kraft Paper Mill Networks
Multi-site kraft paper networks reconcile physical process yield losses against certified volume balances through standardized mill conversion factors.
Air Dry Metric Tons
Moisture Compensation
Standardized weight measurements provide a uniform basis for trading cellulose fibre by removing the weight of variable water content. Air dry metric tons normalize the mass of pulp shipments to a constant reference state where moisture accounts for exactly ten percent of the total weight. This adjustment permits buyers and sellers to establish price parity despite differences in ambient humidity or production drying methods.
Drying Mechanics
Thermal processing in a mill reduces water content until the remaining mass matches a standardized moisture level. Technicians calculate air dry metric tons by taking the gross weight of a shipment and applying a factor derived from the oven dry weight plus the prescribed allowance for residual water. Accurate moisture testing verifies that the water content aligns with international trade requirements.
Such calculations prevent payment for excessive moisture trapped within the bale structure.
Industry Application
Logistics rely upon this normalized unit to manage ocean freight and storage space for bulk fibre. Shipping manifest documentation lists these specific units to ensure that port authorities and customs agents assess duties against the actual fibre volume. Consistent measurement practices allow converters to predict sheet yield during paper production without accounting for water fluctuations in the incoming raw material.
Precise control over fibre mass per unit ensures that sheet formation remains stable during industrial conversion processes.