ITEMS	SCOPE	TESTED METHOD
MELTING POINT	54/56, 56/58, 58/60, 60/62, 62/64, 64/66	GB/T2539
OIL CONTENT%	< 0.5	GB/T3554
COLOUR SAYBOLT	> +28	GB/T3555
PENETRATION 25DEG. C. 1/10MM	< 18	GB/T4985