D083 34% Spandex for sports bra manufacturing: >95% ASTM D3107 recovery, heat-molded cups, OEKO-TEX Class I safety.
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D083 Air-Sculpt 34 for DD+ sports bras: 220 GSM air-layer, 66/34 Nylon/Spandex, ASTM D3107 >95% recovery, OEKO-TEX 100 Class I.
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D036 Nylon Interlock for tacticalwear fabrics: ISO 12945-2 Grade 4 pilling, AATCC 195 ≤5s wicking, 40-60% cost advantage.
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Mechanically recycled nylon loses 15-30% tensile strength vs virgin PA66 (ASTM D5034). GRS vs virgin: cost, quality, lifecycle.
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UPF 50+ blocks ≥98% UV per AATCC 183. Physical knit density is permanent; chemical coatings lose 30-50% UPF within 15-20 washes.
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