... tube(perfusion tube)or other medical products,health safe,advantage alternative than rubber tube.Features of Silicone tubing:1. Material: ... High Temperature Resistance: -50~280 centigrade6. Appearance of the Tubing: Wall Thickness of the tube is even ,smooth surface, no cracks ... ,no air bubble,no impurity7.The charge of samples: need discussed8. Sterilized or not: non-sterilized9. ...