Spinning Specification
Fine-count flax yarn demands an exceptionally rigorous drawing protocol during wet spinning to maintain continuous filament integrity without snapping under tension. Raw bast fibres undergo multiple carding passes before reaching the drafting frame, where high humidity softens residual pectins to allow extreme elongation. Mills measure linear density using the Nm system, which calculates how many thousand meters of strand weigh a single kilogram.
A strict tolerance threshold applies to diameter variations across the bobbin, and spinning mills reject any lot exceeding permitted hairiness limits during optical testing.
Weaving Parameter
Warp preparation for fine-count flax yarn requires specialized sizing formulas based on tamarind seed powder or modified starches to prevent abrasion during high-speed shedding. Weavers set loom tension considerably higher than for cotton or synthetic equivalents because wet-spun linen possesses minimal elasticity, meaning sudden jerks snap the strand instantly. Fabric density checks occur immediately after the cloth leaves the loom gate, recording ends and picks per centimeter on the inspection ticket.
Export auditors examine finished bolts for reed marks and tension streaks before signing the final mill acceptance document.
Export Grade
Finished linen textiles containing fine-count flax yarn undergo rigorous grading protocols established by international merchant houses prior to container loading for European or American ports. Independent testing laboratories evaluate tensile strength and crease recovery angles using standardized atmospheric chambers set to exact temperature and relative humidity levels. Buyers impose strict penalties for colour fastness failures against artificial light and laundering, shifting financial liability back to the finishing house.
High-density bales of finished cloth achieve commercial approval only when every technical parameter matches the contracted purchase order specifications.