| Customization: | Available |
|---|---|
| CAS No.: | 107-21-1 |
| Formula: | C2h6o2 |
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High-speed railway converter coolant HQ-H1 series is made of polyester grade ethylene glycol, organic high-efficiency compound corrosion inhibitor, defoamer and deionized water.
The freezing point of this product can be customized, the freezing point range is -60ºC~-20ºC; the use of temperature range: -55ºC~120ºC. This product is pre-diluted cooling
liquid, can be used directly.
It is suitable for the cooling system of the converter of the moving train, high-speed railroad, locomotive, urban railroad, railroad engineering machinery and so on.
Characteristics and Usage
-Excellent thermal conductivity, providing long-lasting constant temperature protection;
-Excellent metal anti-corrosion performance and compatibility with non-metallic materials, extending the service life of the cooling system;
-Extremely long service life, reducing maintenance costs;
-Excellent environmental performance, free of silicon, boron, phosphorus, amines, nitrates, molybdates, nitrites and other harmful components;
-Meet the requirements of EU RoHS, REACH and other regulations.
| Project | HQ-H1-35 | Test method | ||
| Appearance | No precipitation or suspended matter, clear and transparent liquid | Visual estimation | ||
| Color | Red | Visual estimation | ||
| Density(20.0ºC)/(g/cm3) | 1.072 | SH/T 0068 | ||
| Freezing point/ºC | -36.4 | SH/T 0090 | ||
| Boiling point/ºC | 108.3 | SH/T 0089 | ||
| Ash content(Mass fraction)/% | 0.61 | SH/T 0067 | ||
| pH value | 8.6 | SH/T 0069 | ||
| Chlorine content/(mg/kg) | 4 | SH/T 0621 | ||
| Reserve alkalinity/ml | 4.7 | SH/T 0091 | ||
| The impact on automotive organic coatings | No impact | SH/T 0084 | ||
| Corrosion of glassware (88ºC±2ºC, 336h±2h) |
Change in mass (mg/Test piece) |
Purple copper | 1.0 | SH/T 0085 |
| Brass | 0.4 | |||
| Steel | 0.3 | |||
| Cast aluminum | 2.2 | |||
| Cast Iron | 1.2 | |||
| Solder | 1.5 | |||
| Bubble tendency (70ºC±1ºC) |
Foam volume/ml | 40 | SH/T 0066 | |
| Foam disappearance time/s | 1.2 | |||
Hefei Huaqing High Tech Surface Technology Co., Ltd. is elegantly nestled within the heart of the Hefei National High-Tech Industrial Development Zone, sprawling across an impressive 560 acres. Our company proudly pioneers in cutting-edge new materials for surface treatment and innovative new energy liquid cooling solutions. Additionally, we excel in aerospace parts processing, advanced electronic plating processing, and the development of functionalized equipment for superior surface treatment.
Demonstrating our commitment to innovation and excellence, we have spearheaded 7 national scientific research endeavors and boast a portfolio of 79 national invention patents. Our leadership extends to the formulation of 16 national and industry standards, complemented by 29 proprietary technologies. We are honored to have received 3 prestigious national, provincial, and municipal awards in recognition of our significant contributions to scientific and technological advancement.
Q1: What types of antifreeze are available and for which scenarios?
A: Organic Acid Type (OAT) and Inorganic Salt Type (IAT) are available for petrol, diesel, electric vehicles and industrial equipment cooling systems.
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