How medical compression fabric manufacturers specify 66/34 nylon-spandex for 30–40 mmHg. RAL-GZ 387, ISO 13485, 20D sourcing guide.
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The definitive guide to AATCC 183 UPF testing. Learn
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Stop knit fabric from curling permanently. Replace single jersey with interlock knit. Production data: 18% faster spreading, 4% less waste. Includes O3C structure, ISO 139, AATCC standards.
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Fabric yellowing after 200°C molding? BHT-free packaging fails. Learn why thermal degradation of elastane (not BHT) causes yellowing, plus D083 vs heat-resistant spandex solutions based on factory testing.
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Fabric yield is a derived technical property, not a standalone spec. It must be calculated from GSM and width using `1000 / (GSM × width_m). Real-world yield is always lower due to marker wastage, defects, and roll losses — typically 8–18% deduction from theoretical yield.
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