... degree 3. Density: 1.25g/cm3 Siliocne tube Advantages for silicone tube(1). No taste, no toxicity, no contamination ( ... friendly)(2). Resistant to high temperature, aging, radiation, cold, heat,Acid, Chemical(3). Stand wear and tear, anti-sepsis, Soft ... Permeability(5). Extended flexible life and reduced maintenanceDefects for silicone tubeNot suitable for use with concentrated acids and bases, organic ...