<prompt> Raw material used in nylon suture is:-Polyethylene terephthalatePolyamide polymerPolybutylene terephthalatePolyester polymer  <response>: Raw material used in nylon suture is Polyamide polymer. Suture Types Raw material Tensile strength Absorption rate Silk Braided or twisted multifilament; Coated with wax or silicone or uncoated Natural proteinRaw silk from silkworm Loses 20 when wet; 80-100 lostby 6 months Fibrous encapsulation in body at 2-3 weeks ; Absorbed slowly over 1-2 yearQ Catgut Plain Collagen derived from healthy sheep or cattle Lost within 7-10 days Phagocytosis and enzymatic degradation within 7-10 daysQ Catgut Chromic Tanned with chromium salts to improve handling and resist degradation in tissueQ Lost within 21-28 days Phagocytosis and enzymatic degradation within 90 days Polyglactin Vicryl Braided multifilament Copolymer of lactide glycolideQ in a ratio of 90:10, coated with polyglactin calcium stearate Approx, 60 remains at 2 weeks; 30 remains at 3 weeks Hydrolysis minimal until 5-6 weeks; Complete absorption 60-90 daysQ Polyglyconate Monofilament Dyed or undyed Copolymer of glycolic acid and trimethylene carbonateQ Approx, 70 remains at 2 weeks; 55 remains at 3 weeks Hydrolysis minimal until 8-9 weeks; Complete absorption 180 daysQ Polyglycaprone Monocryl Monofilament Coplymer of glycolide caprolactoneQ 21 days maximum 90-120 daysQ Polyglycolic acid Dexon Braided multifilament Dyed or undyed Coated or Uncoated Polymer of polyglycolic acidQ Approx, 40 remains at 1 week; 20 remains at 3 weeks HydrolysisQ minimal at 2 weeks; significant at 4 weeks; Complete absorption 60-90 daysQ Polydioxanone PDS Monofilament dyed or undyed Polyester polymerQ Approx, 70 remains at 2 weeks; 50 remains at 4 weeks; 14 remains at 8 weeks Hydrolysis minimal at 90 days; Complete absorption 180 daysQ Nylon Monofilament or braided multifilament Dyed or undyed Polyamide polymer Loses 15-20 per year Degrades at approximately 15-20 per year Polypropylene Monofilament. Dyed or undyed Polymer of propylene Infinite 1 year Non-absorbable: remains encapsulated in body tissues 