... no flowing, good aging resistance, good oil, water, diluted acid, diluted alkali resistance, high and low temperature resistance. The sealant can be ... C—250°C, with good sealing ability, antiknock characteristics and shock resistance. Characteristic A,Can be easily used and extruded any time ... water, gas, oil and etc. It also has good seep resistance and adhesion to of urn cover of gas engine, valve ...