Descripción
Product description:
After many years of researches and experiments on heat transfer fluids, especially on their thermal and oxidative stability and heat transfer ability, we develop and manufacture this additive package. It enjoys low treat levels[0.4%-0.6%]and can impart high performance to heat transfer fluids.
Typical properties:
Appearance Brown and transparent liquid Test method
Viscosity(100℃), mm2/s 25-35 GB/T 265
Density (20℃) kg/m3 Reported GB/T 1884
GB/T 1885
Moisture,% maximum 0.1 GB/T 260
Application and treat levels:
Heat Transfer Fluids Treat levels (w %) Max operating temperature,℃ Application and notes
L-QB 280 0.4 280 Maximum temperature at exit of heating furnace should not exceed 270℃
L-QB 300 0.5 300 Maximum temperature at exit of heating furnace should not exceed 290℃
L-QC 310 0.6 310 Maximum temperature at exit of heating furnace should not exceed 300℃
Typical properties of the heat transfer oils
Items Typical properties Test method
HTF-QB280 HTF-QB300 HTF-QB310
Composition Hydrotreated base oil (5Cst ) +0.4%
POUPC 5580 Hydrotreated base oil (5Cst) +0.5%
POUPC 5580 Hydrotreated base oil (5Cst)+0.6%
POUPC 5580
Maximum operating temperature,℃ 280 300 310 GB/T 23800
Appearance Clear,transparent and no suspension
Boiling range,℃ 367~525 SH/T 0558
Flash point(close),℃ 206 GB/T 261
Flash point(open),℃ 232 GB/T 3536
Sulfur content,ppm