K2.Latex-Free Rubber Band

K2.Latex-Free Rubber Band   

K2 Series:Environmental Latex-Free rubber band is use importing isoprene for main raw materia,no including latex and protein.The  width unit is inch,including 1mm to 600mm.Thickness includes 0.28mm-4mm.The color includes black,white and colors.The main series is K257,K268,K258.The main  Physical indicators as follow:1)Elongation multiple:about 600mm,2)Permanent deformation degree:about 10%-30%,3)hardness:48º-55º,4)aging time:more than two years,5)Resistance to yellowing:4 class,6) density:about 1.0,7)Tensile modulus:500%,2.7 Npa,8)thickness:within ±0.05,8)the state of powder:including powder,no powder,less powder,9)smoothness:Double-faced smoothThe  rubber band is  appropriate for swimwear,protective clothing,masks,operating coat,shower cap.Please kindly know the taboo for rubber band is prevent bask in the sun,prevent high temprature,prevent oil.