... pipe plug 1.Working temperature: -100 to +300 degrees2.Hardness: 25~95 Shore A3.Working field: Water, lube, oil, industrial, machine ... , PTFE, PU, ECO, IIR, ACR7.Usage: automobile, machine use, industrial use, daily use 8. Specifications: Not standard, OEM is welcomed ... production for your referenceProducts of our silicone rubber pipe plug that meet international standards:Product quality is our top ...