... .UL recognition 3.not heat shrinkable 4.many use High quality Tube * hard tubing&abnormal shape*UL recognition*flame retardant ... raw material such as PVC, PP,PC,PE and so onThe product is suitable for the electronics,the ... toys,foods,the projects,the hardware fitting,professions and so on electric appliance.Also may depend on ... plastics includes:PVC,PP,PC,PE,TPU,ABS and so on. High quality Tube