Температуранын жогорку температурасы

Heat Transfer Oil

Dosage(W%)

L-QB280

0.2%

L-QB300

0.2%-0.3%

L-QB320

0.3%-0.5%

Item

Typical Value

Test Method

Kinematic Viscosity(100℃），mm2/s

Report

ASTMD445

Flash Point(COC)℃

〉110

ASTMD92

Nitrogen,%(m/m)

2.10-2.85

ASTMD5762

TBN,mgKOH/g,

5.2-7.5

ASTMD2892

Group symbol

Application Range

Special Application

More specific application

Product type and performance requirements

Breed symbol

Application case

Q

 Heat Transfer

Maximum use of temperature  is less than 250℃

open-type system

Refined mineral oil or synthetic liquid with oxidation stability

QA

Open sump for heating mechanical parts or electronic components

Maximum use of temperature is less than 300℃

 Closed system with or without forced circulation

Refined mineral oil or synthetic liquid with thermal stability

QB

Heat transfer liquid heating system or closed circulating water bath

Maximum use of temperature is more than 300℃and less than 320℃

Closed system with forced circulation

Refined mineral oil or synthetic liquid with thermal stability

QC

Maximum use of temperature is more than 320℃

Closed system with forced circulation

Synthetic liquid with special high thermal stability

QD

Heat transfer liquid heating system