Nylon  Sewing Thread This thread has been produced using the fabric  deformed by woven fibers. Chemical fiber filament made after a heat distortion  spiral circle-shaped,Website:http://www.wxthread.com, has high elastic expansion.◆ Feature:  ● Excellent Seam Coverage  ● Strong elasticity  ● Chemical Resistance  ● High Productivity  ● Excellent Seam Appearance  ● Bright color  ● Good durability◆Classify & Usage:NoSpecificationRegular LengthMain Usages1150D*23000Y, 3500Y,5000YThin cloth: leather wallets,leather jacket, raincoat,etc2210D*23000Y,3500Y,5000YLeather product, leather shoes, travel bags, tent, sofa cloth, bedding, mattress fabrics of cotton, etc 3210D*33000Y ,3500Y,5000Y Strength Testing Reportfixed length(mm): 500        Speed (mm/min): 1000                    (150D1*3 for reference)Breaking Tenacity(CN)Breaking elongation(%)Breaking Strength (CN/tex)Breaking Time(s)1st2557.85031.49085.26009.442nd2562.48034.31085.41010.293rd2163.22026.75072.10008.024th2373.32030.07079.11009.02Min.2163.22026.75072.10008.02Max2562.48034.31085.41010.29AVG2414.21030.65080.47009.19Irregularity Rate006.04007.30006.05007.28CV (%)007.83010.24007.82010.22