... METHODMELTING POINT54/56,56/58,58/60,60/62,62/64,64/66GB/T2539OIL CONTENT% < 0.5GB/T3554COLOUR SAYBOLT> +28GB/T3555PENETRATION25DEG.C ... METHODMELTING POINT54/56,56/58,58/60,60/62,62/64,64/66GB/T2539OIL CONTENT% < 1.5GB/T3554COLOUR SAYBOLT> +17GB/T3555PENETRATION25DEG.C ...