Topic
Practical sustainability for garment makers: bio-scouring, fabric waste in cutting, and the GOTS, GRS, RCS and ZDHC schemes and buyer audits explained.
Sustainability in a garment supply chain is mostly practical work: using less fabric and water, avoiding harsh chemicals, and proving claims to buyers. These notes cover the production side, with bio-scouring as a lower-chemical alternative to caustic scouring and fabric savings through marker making and reducing fabric waste in cutting, and the certification side, with GOTS for organic fiber, GRS and RCS for recycled content, ZDHC for chemical management and buyer compliance audits.
8 notes
Bio-scouring uses pectinase enzymes instead of hot caustic soda to remove waxes and pectins from cotton before dyeing. How it works, typical process conditions, a step-by-step process, how to test absorbency, its benefits and limits, and how to switch from conventional scouring.
Garment factories face social, environmental, security, quality and chemical audits from buyers and third parties. What each type looks at, common audit schemes, how to prepare, and how to handle findings with corrective action plans.
What GOTS certification requires across the supply chain, the difference between the organic and made-with-organic label grades, scope and transaction certificates, and what a garment factory must do to stay compliant.
The Global Recycled Standard verifies recycled content and adds social, environmental and chemical requirements for the sites that process it. What GRS covers, how chain of custody and transaction certificates work, and how it differs from RCS.
The marker decides how much fabric an order uses. How markers are planned, what limits efficiency (grain, direction, matching, width), how to calculate marker efficiency, and how to improve it without hurting quality.
The Recycled Claim Standard tracks recycled material through the supply chain to support a recycled content claim. What RCS covers, the label categories, how it differs from GRS, and what a garment factory needs to do.
Fabric is the largest cost in most garments, and the cutting room decides how much of it becomes garments. Where fabric is lost, how to measure it, and practical ways to cut waste through markers, spreading, end loss control and roll planning.
The ZDHC Programme sets tools and guidelines to reduce hazardous chemicals in textile and leather production. What the MRSL is, how wastewater guidelines work, what suppliers are asked to do, and how it differs from product RSLs.