This Organic Coolant Fluid Additive Package is compound by Organic acids - OAT technology. Coolant blended by this package has anti-rust and anti-corrosion function to the metal of light and heavy duty vehicle cooling system. It has an excellent performance on long life of light duty vehicles. It has an excellent performance on preventing cavitations’ erosion of heavy duty vehicles.
Coolant blended by this package has the advantage of superior performance, easy to use, high production efficiency, low production cost etc. It can be used to blend coolant meet the standard of NB/SH/0521-2010、GB29743-2013 without sophisticated equipments and professional personnel. It is green and environmental protection.
This coolant package is mainly used to produce ethylene glycol type engine cooling fluid for light load. Vehicle cooling fluid produced in the right process with the recipe of organic liquid coolant corrosion compound can meet the demand of domestic and international products and OEM products industry requirement performance standard:
NB/SH/0521-2010 ,GB29743-2013,ASTM D3306,BS 6580,JISK 2234
Features of coolant fluid produced |
◇ Long lifetime: Used the technology of organic acid technology reduced the additive consumption rate and extended the service life of the cooling liquid. Cooling fluid maintenance life is five years.
◇ Green and environmental protection: There are no Inorganic corrosion inhibitors such as amine, nitrite, nitrate, borate, silicate, phosphate, etc.
◇ Superior anti-rust , anti-corrosion performance: It contains efficient organic acid additives which have a better antirust performance to all kinds of metal of engine cooling system. It has an excellent corrosion resistant performance for wet cylinder liner of overloaded vehicles.
◇ Excellent aluminum alloy protection performance: Excellent organic acid adsorption antirust technology can put an end to aluminum alloy cavitations’ corrosion and the corrosion damage caused by fouling of heat transfer surface.
◇ Superior antifouling performance: It contains high performance polymer ant-scale agent. It provides excellent high temperature scale prevention ability for coolant fluid. It can prevent the radiators’ blocking of scaling. It can extend the service life of the engine cooling system.
Physical and chemical properties |
Item | Index | Method |
Appearance | Homogeneous and transparent liquid | Eyeballing |
Color | Light yellow | Eyeballing |
Density(20℃),g/cm3 | 1.07-1.09 | SH/T 0068 |
pH | 9.0-10.0 | SH/T 0069 |
Water solubility | Completely soluble in | - |
Storage stability, >0℃ | 12 months | - |
◇Plastic barrels, 220 kg / barrel.
◇Storage and transportation of non hazardous materials ,storage in a ventilated and cool dry place, above 0℃
Process of Cooling Fluid Production |
Basic Formula
NO. | Compose | Mass Fraction |
1
| ethylene glycol | 100 |
2 | water | a |
3 | Additive Package | 15 |
Composition
Specification | Compose | Mass Fraction % |
-40℃ Cooling liquid | ethylene glycol | 52.20 |
water | 39.97 |
Additive Package | 7.83 |
-35℃ Cooling liquid | ethylene glycol | 49.40 |
water | 43.19 |
Additive Package | 7.41 |
-30℃ Cooling liquid | ethylene glycol | 46.00 |
water | 47.10 |
Additive Package | 6.90 |
-25℃ Cooling liquid | ethylene glycol | 42.00 |
water | 51.70 |
Additive Package | 6.30 |
-20℃ Cooling liquid | ethylene glycol | 37.00 |
water | 57.45 |
Additive Package | 5.55 |
-15℃ Cooling liquid | ethylene glycol | 30.00 |
water | 64.45 |
Additive Package | 5.55 |
The operation method of cooling fluid production
Put ethylene glycol and deionized water into agitated vessel accordingly. During stirring add Additive Package accordingly. Then stir 10~20min. Test PH and freezing point. After it is qualified, add into defoaming agent and pigment.
Physicochemical indicators and test performance of cooling fluid (-35℃ )
Item | Standard GB 29743 ASTM D 3306
NB/SH/T 0521 | Result | Test Method |
Color | Striking colors | - | Eyeballing |
Smell | No smell | No smell | smell |
Density | ≥1060 | 1070 | SH/T 0068 |
Freeze point | ≤-35.0 | -37.0 | SH/T 0090 |
Boiling point | ≥107.5 | 108.0 | SH/T 0089 |
Impact for car's organic coatings | No effect | No effect | SH/T 0084 |
pH | 7.5-11.0 | 8.2 | SH/T 0069 |
Chlorinity mg/kg | ≤25 | -
| SH/T 0621 |
Glassware Corrosion test SH/T 0085
(ASTM D 1384)
Metal | The Changed value mg/ slice | GB 29743 ASTM D 3306 NB/SH/T 0521 |
Copper | 0 | ±10 (±5) |
Brass | -1 | ±10 (±5) |
Steel | 0 | ±10 |
Cast iron | 0 | ±10 |
Solder | -1 | ±30 |
Aluminum | -6 | ±30 |
Heat corrosion of cast aluminum alloy
SH/T 0620 (ASTM D 4340)
Metal | Weight Loss mg/cm2 |
GB 29743 ASTM D 3306 NB/SH/T 0521 |
Aluminum | 0.2 | ≤1.0 |
Aluminum pump cavitation erosion.
SH/T 0087 (ASTM D 2809)
Test Sample | Erosion, rank | GB 29743 ASTM D 3306
NB/SH/T 0521 |
Aluminum pump cavitation erosion /rank | 9 | ≥8 |
Simulated use corrosion
SH/T 0088 (ASTM D 2570)
Metal |
The Changed value mg/ slice |
GB 29743 ASTM D 3306 NB/SH/T 0521 |
Copper | -1 | ±20 (±10) |
Brass | -2 | ±20 (±10) |
Steel | 0 | ±20 |
Cast iron | 0 | ±20 |
Solder | 0 | ±60 |
Aluminum | -10 | ±60 |