... ProductItemIndexTest MethodFlash Point (open), °C180 minGB/T3536, ASTM D92Density 20 °C, kg/m31020~1200GB/T 2540, ASTM D 4052Total Base Number ... transportation, the temperature of the product shall not surpass 75°C; for long-term storage it shall not surpass 45 ... °C. The product is offered with a guarantee period of two ...