Specifications: Far-infrared fiber 1.100%polyester 2.specs:1.4D-20D*32mm-76mm 3.can absorb heat from around and heat from human body Far-infrared fiber Features: 1)based on materbatches spinning, good durability and washability, high sunlight resistance 2)Far-infrared emissivity rate >0.86 3)Environmentally friendly, non-tox 4) Can absorb heat from around and heat from human bodies, and then radiate far-infrared rays back to human bodies, so as to achieve the functions of activating human cell tissues, promoting human blood circulation, improving human metabolism and enhancing human immunization applications field: Suitable for making thermal insulation padding, hygienic articles, garments, decorative fabrics and bedding articles, such as summer garments, garments for outdoor activities, skill suits, wedded quilts, sleeping bags, sheets,close-fitting jackets, shirts Serial No. Test item Unit of quantity 1 length 32mm-76mm 2 fineness 1.4D-20D 3 Far-infrared emissivity rate >0.86 Far-Infrared Fiber