萃餘油蠟係產製石蠟之副產品，主要用途為高級燃料油之助劑、防銹油、紡織用油、潤滑油及切削油劑。萃餘油蠟具有低硫、低氮及熱值高之特點。
性質
|
物 性 |
輕萃油蠟 |
SW120 |
SW220 |
SW6501 |
SW180 |
分析方法 |
|
比重 (Specific Gravity) |
0.79-0.81 |
0.77-0.79 |
0.80-0.82 |
0.81-0.84 |
ASTM D1298 |
|
|
流動點 (Pour Point) ℃ |
30-33 |
__ |
45-49 |
— |
ASTM D938 |
|
|
滴落熔點 (Drop Melting Point ) °F |
— |
102-112 |
115-125 |
165-175 |
ASTM D127 |
|
|
閃火點 (Flush Point) ℃ |
Min.200 |
Min.200 |
Min.265 |
Min.280 |
ASTM D92 |
|
|
動黏度 (Kinematic Viscosity) cSt@100℃ |
4.0-4.8 |
3.8-4.6 |
8.0-9.3 |
17-24 |
ASTM D445 |
|
|
油含量 (Oil Content)wt% |
49-60 |
13-23 |
21-27 |
Max.18 |
ASTM D721 |
|
|
色度 ( ASTM Color ) |
0.5-2.5 |
0.5-1.5 |
2-3 |
Max.8 |
ASTM D1500 |
|
|
碳數範圍 (Carbon Distribution) |
C18-C44 (C23) |
__ |
C24-C60 (C40) |
C31-C78 (C46) |
ASTM D5442 |
|
|
熱值 (Heat Value) cal/g |
10,600-11,000 |
__ |
— |
— |
ASTM D240 |
|
|
硫含量 (Sulfur Content) wt% |
<0.3% |
__ |
<0.3% |
<0.3% |
ASTM D5453 |
|
|
氮含量 (Nitrogen Content) ppm |
<20 ppm |
__ |
<20 ppm |
<20 ppm |
ASTM D4629 |