(1) Temperature range: -60 to +260 degree (2) Shore Durometer: From 30A to 90A (3) Size: Diameter 1mm-50mm Advantages for silicone tube:(1). No taste, no toxicity, no contamination (environmental friendly)(2). Resistant to high temperature, aging, radiation, cold, heat,Acid, Chemical(3). Stand wear and tear, anti-sepsis, Soft, arc resistance, corona resistance(4). Great pump accuracy and ...