VQ Vacuum Quenching Oil
source：Original Inputtime：2024-12-31 10:10:05
Product Description
VQ Vacuum Quenching Oil is uniquely formulated from highly refined mineral oil and a proprietary additive package comprising quenching accelerators, brighteners, and antioxidants.
Features and Benefits
1.Extremely low saturated vapor pressure, ensuring vacuum integrity.
2.Excellent thermal-oxidative stability for a long service life.
3.Consistent and reliable cooling performance under vacuum, ensuring uniform hardening results.
4.Free of substances harmful to human health; safe for users and environmentally friendly.
Applications
1.Suitable for vacuum quenching of medium-sized bearing and tool steels with moderate hardenability.
2.Optimum operating temperature range: 20–80°C.
Typical data:
| Item |
Technical requirement |
Typical data |
Test method |
| No.1 |
No.2 |
QV 2000 |
QV 3000 |
| Kinematic viscosity,40℃, mm2/s |
≤40 |
≤90 |
38 |
75 |
GB/T265 |
| Flash point (open), ℃ |
≥170 |
≥210 |
220 |
245 |
GB/T3536 |
| Moisture content, ％ |
None |
None |
None |
None |
GB/T260 |
| Pour point, ℃ |
≤-5 |
≤-5 |
-15 |
-16 |
GB/T3535 |
| Corrosion (copper sheet, 100℃, 3h), grade |
≤1 |
≤1 |
1 |
1 |
GB/T5096 |
| Saturated vapor pressure (20℃)kPa |
6.7×10-6 |
1.58×10-6 |
1.40×10-6 |
SH/T0293 |
| Cooling capacity |
Characteristic temperature (80℃), ℃ |
≥600 |
≥585 |
616 |
608 |
SH/T0220 |
| 800→400℃ time (80℃), s |
≤5.5 |
≤7.5 |
3.8 |
4.2 |
*typical value, subject to manufacturing tolerance. Not product specifications.
