Write it in 150 words:- Quality control and grading of carpet wool.
Quality control and grading of carpet wool ensure suitability for rugs and carpets, where resilience, durability, and bulk are valued over fineness.
Key Parameters:
- Fiber Diameter: Coarser than apparel wool, usually >30 microns, giving stiffness and resilience.
- Staple Length: Ideally 7–15 cm for strong, spinnable yarn.
- Medullation: Common in carpet wool; adds bulk and insulation, though excessive medullation hampers dyeing.
- Crimp: Provides resilience and bulk, though less critical than in fine wool.
- Strength: High tensile strength ensures durability.
- Color: White or off-white is preferred for dye versatility; colored fibers are discounted.
- Vegetable Matter: Low content is desirable to reduce processing costs.
- Clean Wool Yield: Percentage of pure wool post-washing, affecting economic value.
Grading: Skilled sorters visually and tactually assess wool, sorting into grades by coarseness, length, and soundness. Coarser, highly medullated wool suits heavy-duty carpets, while finer grades serve softer rugs.
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