Compliance Inspection
On-site verification procedures evaluate the mechanical decortication and scutching efficacy of raw flax stalks before scythed fibre strands enter wet spinning mills. Conducting a fiber extraction audit allows raw material evaluators to quantify the remaining shive content and unretted cortical fragments remaining on long flax tow. Processing plants record these findings in raw material intake reports to verify that scutching mills adhere to contractual fibre cleanliness standards.
This inspection framework applies to raw fibre grading and terminates once long flax slivers enter the hackling machine.
Verification Procedure
Technical assessors conduct systematic sampling across incoming bales of flax, measuring clean fibre yield against unretted wood waste to calculate mechanical extraction ratios. During a fiber extraction audit, personnel record shive weight percentages alongside bundle tenacity measurements to determine whether scutching rollers caused mechanical fibre damage. Excessive shive residues increase combing waste during hackling and cause yarn breakage during wet spinning, leading to financial penalties detailed in purchasing contracts.
Scutching facilities adjust turbine speeds and breaker roll clearances based on the audit findings to maintain target fibre yields without sacrificing strand length. Mill managers use these metrics to grade raw flax consignments before releasing payment to primary processing plants.
Document Control
Official certificates of inspection record extraction efficiency metrics and moisture content levels for export shipping documents. Consignments failing to meet minimum purity thresholds require re-scutching or reclassification into coarse tow categories.
