silicone rubber pipe plug 1) OEM service 2) Prompt delivery& competitive price 3) Material: according to your own design Features of Factory price silicone rubber pipe plug 1.Working temperature: -100 to +300 degrees2.Hardness: 25~95 Shore A3.Working field: Water, lube, oil, industrial, machine, etc4.High tensile Strength, Wear and tear resistance, Durable5.UL certification: PTFE, PU, ECO, IIR, ...