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General Mgr.: Feng Junying
Mobile Phone: +86-13901508193
Tel:+86-519-88382068 88372313
Fax: +86-519-88372313
Url:www.wushengdaoreyou.com |
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| WD series heat transfer oil |
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| wd-300 |
wd-320 |
wd-330 |
wd-340 |
wd-350 |
Model NO. : WD-300℃, WD-320℃, WD-330℃, WD-340℃, WD-350℃.
Features:
Can be used for heat recovery system;
Can be widely used for indirect heating or cooling circuation system;
Odorless, non-toxic, non-corrosive, no pollution to environment; ;
Working temperature can be accurately controlled;
Excellent anti-oxygen property, good thermal stability, long service life.
Specifications
Item |
Unit |
Details |
WD-300 |
WD-310 |
WD-310 |
WD-320 |
WD-325 |
WD-330 |
WD-340 |
WD-350 |
Appearance (liquid) |
light yellow lemon yellow |
Kinematic viscosity (50℃) |
mm2
/s |
9-20 |
10-20 |
10-20 |
13-24 |
13-24 |
14-25 |
16-27 |
18-29 |
Acid value |
mg KOH
/g |
≤0.05 |
Water-soluble acids/alkali |
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None |
Flash point (open) |
℃ |
≥170 |
≥177 |
≥177 |
≥177 |
≥177 |
≥180 |
≥195 |
≥200 |
Freezing point |
℃ |
≤-10 |
≤-30 |
≤-10 |
≤-15 |
≤-30 |
≤-30 |
≤-30 |
≤-30 |
Corrosion (45 copper medal100℃3h)T3 copper sheet |
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Grade 1 |
Moisture (%) |
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None |
Boiling range (2%) |
℃ |
≥320 |
≥320 |
≥320 |
≥330 |
≥330 |
≥340 |
≥345 |
≥355 |
Mechanical impurities |
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None |
Carbon residue (%) |
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≤0.03 |
Density (20℃)g/cm2 |
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0.84-0.89 |
Specific heat |
Kilocalorie
/kg·℃ |
210℃ |
0.686 |
210℃ |
0.658 |
210℃ |
0.673 |
210℃ |
0.678 |
210℃ |
0.679 |
250℃ |
0.623 |
250℃ |
0.614 |
250℃ |
0.769 |
250℃ |
0.716 |
250℃ |
0.719 |
250℃ |
0.727 |
250℃ |
0.727 |
290℃ |
0.663 |
290℃ |
0.699 |
290℃ |
0.79 |
310℃ |
0.857 |
320℃ |
0.861 |
325℃ |
0.864 |
330℃ |
0.869 |
340℃ |
0.875 |
350℃ |
0.882 |
Coefficient of heat conductivity |
Kilocalorie
/m·h· ℃ |
210℃ |
0.107 |
210℃ |
0.112 |
210℃ |
0.118 |
210℃ |
0.125 |
210℃ |
0.126 |
250℃ |
0.122 |
250℃ |
0.118 |
250℃ |
0.102 |
250℃ |
0.108 |
250℃ |
0.117 |
250℃ |
0.122 |
250℃ |
0.123 |
290℃ |
0.118 |
290℃ |
0.115 |
290℃ |
0.096 |
310℃ |
0.103 |
320℃ |
0.108 |
330℃ |
0.112 |
330℃ |
0.116 |
340℃ |
0.113 |
350℃ |
0.111 |
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