... And of course,we can make silicone hose according to customers' requirements. We usually pack each silicone hose&coupler ... finish in 5-7days;Samples free.UseMedicalTemperature resistance -60 to +250 degree centigradeShore Durometer A:30A~70A Quality ISO, ... No taste, no toxicity, no contamination (environmental friendly)(2). Resistant to high temperature, aging, radiation, cold, heat,Acid, Chemical(3). ...