Universal round insert-ribbed for pipe,Plastic Pipe Plugs,Plastic tube Plugs,LDPE Plugs Specifications: Material: Low-Density Polyethylene Color: Refer to Chart Feature: it is fit for Standward:GB,ASTM / ASME B36.10M,API,AWWA,BSP,DIN 3A,SMS,GOST ,JIS and so on . Size :1/4\"(6mm) to 30.”(762mm)” nominal bore size and complemented with over 120 additional provide tight fit and release pressure build up. Minimum temp. of use: -40°C Fusion temperature: 120°C Elongation: 500 % It is the material most used in our products as it possesses good chemical characteristics, as well as showing good resistance to knocks, given its elasticity and softness. From a temperature point of view, the recommended range of use is between -40° and +60°C.