Sinopec ISO VG 350 synthetic heat transfer fluid L-QD350 200 L

Packaging specifications:170 kg

Order Hotline:+86 18624936708

Suitable for closed heat transfer systems with forced or non-forced circulation and operating temperatures not exceeding 330℃, 350℃ and 400℃. It can be used in processes such as heating and drying.

Performance

Sinopec Synthetic Heat Transfer Fluid


Overview:


Sinopec synthetic heat transfer fluid is a synthetic aromatic hydrocarbon with high-temperature stability. It is categorized by grades L-QC320, L-QD330, L-QD350, and L-QD400, depending on the operating temperature. It is suitable for closed heat transfer systems with forced or non-forced circulation, operating at temperatures up to 320°C, 330°C, 350°C, and 400°C.


Performance Features:


◎ Excellent high-temperature thermal stability

◎ Excellent reliability, widely used in large-scale equipment

◎Excellent anti-coking properties, effectively preventing the formation of coke deposits

◎ High specific heat capacity and good thermal conductivity

◎ Excellent low-temperature fluidity

◎Good compatibility with system materials, non-corrosive to equipment.


Technical Specifications:


This product complies with the following standards:

◎ DIN 51522

◎ GB 23971]


Applications:


◎ Suitable for closed heat transfer systems with forced or non-forced circulation, used in heating and drying processes in industries such as wood processing, textile dyeing and finishing, food processing, chemical processing, and solar energy.


Typical Data:


Item

Sinopec Synthetic Heat Transfer Fluid

ISO viscosity grade

L-QD330

L-QD350

L-QD400

Kinematic viscosity (at 40℃), mm² /s

16.14014.0002.600
Kinematic viscosity (at 100℃), mm² /s3.0932.7980.985
Kinematic viscosity (at 0℃), mm² /s163.2134.875.25

Thermal stability (720 hours) Appearance

Percentage of deterioration

(330℃)

Yellow and transparent

6.6

(350℃)

Yellow and transparent 

5.7

(400℃)

-----

-----

Thermal oxidation stability (175℃, 72 hours)

Viscosity increase (% at 40℃)

Acid value increase (mgKOH/g)

Sludge (mg/100g)

12.64

0.25

3.2

13

0.3

4

---

---

---

Flash point (closed cup), °C201182184
Flash point, °C482357621
Pour point, °C-27-18-9

Distillation range, initial boiling point, °C


2%, °C



365


372


315


340.9

241


258

carbon residue,%0.00<0.010.01
Sulfur content (mass fraction), %0.001<0.0010.01
Acid value, mgKOH/kg0.02

0.01

0.01








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