Typical data of Kelamay naphthenic oil
| Items | KVG32 | KVG46 | KVG68 | KVG150 | test method | ||||
| Grade A | Grade A | Grade B | Grade A | Grade B | Grade A | Grade B | |||
| KV（40℃），mm2/s | 30.32 | 46.24 | 45.41 | 63.98 | 67.44 | 147 | 157.3 | GB/T 265 | |
| KV（100℃），mm2/s | 4.597 | 5.879 | 5.789 | 7.066 | 7.178 | 10.96 | 10.35 | GB/T 265 | |
| appearance | B&C | visual | |||||||
| Saybolt | 26 | 22 | 23 | 22 | GB/T 3555 | ||||
| FP（COC），℃ | 170 | 178.5 | 182.5 | 193 | 198 | 206 | 222 | GB/T 3536 | |
| PP， ℃ | ＜-36 | -40 | -40 | -38 | -30 | -27 | -24 | GB/T 3535 | |
| TAN，mgKOH/g | 0.0099 | 0.0038 | 0.0085 | 0.0048 | 0.0047 | 0.0031 | 0.0036 | GB/T 4945 | |
| Density 20℃， kg/m3 | 885.2 | 887.8 | 888.3 | 889.4 | 889.9 | 896.8 | 903.3 | GB/T 1884 | |
| Aniline point， ℃ | 98.8 | 98.2 | ＞100 | ＞100 | ＞100 | ＞100 | GB/T 262 | ||
| Refractory index,20℃ | 1.4847 | 1.485 | 1.4858 | 1.4843 | 1.488 | 1.491 | ASTM D 1747 | ||
| Sulphur ，μg/g | 5.8 | ＜5 | ＜5 | ＜14 | ＜5 | 18.9 | 16.9 | SH/T 0253 | |
| Nitrogen，μg/g | ＜5 | ＜5 | 1.37 | ＜5 | 0.51 | 25.8 | 0.26 | SH/T 0657 | |
| Basic N，μg/g | 1.11 | - | 0.77 | - | 0.99 | 0.0075 | SH/T 0162 | ||
| （RBOT）150℃，min | 340 | 260 | 330 | 280 | 320 | 240 | SH/T 0193 | ||
| Carbon | CA % | 0.4 | 0.6 | 0.3 | 0.6 | 0 | 0 | GB/T 8029 | |
| CN % | 46.9 | 47 | 45.5 | 46 | 49.6 | 50.6 | |||
| CP % | 52.7 | 52.4 | 54.2 | 53.4 | 50.4 | 49.4 | |||
