- Overview
- Product Introduction
- Main Product
- Company Profile
- Company Advantage
- Our Certificate
- Exhibition
- Packaging & Shipping
- FAQ
Basic Info.
Product Description
Introducing the HQ-C2 Series Charging Pile Coolant, a true beacon of cutting-edge precision engineering, crafted with the utmost expertise. Masterfully formulated using premium polyester-grade ethylene glycol, this coolant boasts an enriched blend of organic carboxylate compound corrosion inhibitors and ultra-pure water—an unparalleled formulation designed for excellence. With an impressive freezing point range from -60ºC to -20ºC, this avant-garde coolant operates flawlessly across a broad temperature spectrum of -55ºC to 120ºC. Conveniently pre-diluted for immediate use, it represents the pinnacle of coolant solutions for charging pile systems, ensuring optimal performance and seamless operation.
Characteristics and Usage
-Elevating thermal conductivity to unprecedented heights, this advanced coolant sets a groundbreaking standard in temperature control for charging pile systems. It ensures consistent and unparalleled thermal management, delivering outstanding efficiency that is second to none.
-Offering exceptional resistance to metal corrosion and seamless compatibility with non-metal materials, this coolant not only extends the service life of your charging pile temperature control system but also meticulously protects your investment with unmatched precision and care.
-With an extraordinary service life extending up to an impressive 10 years, this coolant significantly reduces maintenance expenses, offering an economically sound solution for long-lasting, reliable operation that withstands the test of time.
Exceptional in its anti-freezing capabilities, this coolant acts as a stalwart protector, safeguarding your equipment from potential damage caused by liquid freezing and expansion. It preserves system integrity, ensuring smooth operation even in the harshest conditions.
-Showcasing truly remarkable environmental performance, this eco-friendly coolant is completely devoid of phosphorus, amine, nitrite, nitrate, molybdate, and other inorganic salts. It stands as the preferred choice for environmentally conscious users, committed to sustainability.
-Fully compliant with EU RoHS, REACH, and other rigorous global standards, this coolant ensures adherence to the highest international safety and environmental protection criteria, providing peace of mind with every use.
| Project | HQ-C2-35 | Test method | ||
| Appearance | No precipitation or suspended matter, clear and transparent liquid | Visual estimation | ||
| Color | Red | Visual estimation | ||
| Density(20.0ºC)/(g/cm3) | 1.074 | SH/T 0068 | ||
| Freezing point/ºC | -36.8 | SH/T 0090 | ||
| Boiling point/ºC | 108.2 | SH/T 0089 | ||
| pH value | 8.8 | SH/T 0069 | ||
| Chlorine content/(mg/kg) | 3 | SH/T 0621 | ||
| Reserve alkalinity/ml | 6.1 | 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 | 0.5 | SH/T 0085 |
| Brass | 0.4 | |||
| Steel | 0.1 | |||
| Cast aluminum | 1.2 | |||
| 6-series aluminum | 0.8 | |||
| 4-series aluminum | 1.0 | |||
| 3-series aluminum | 1.5 | |||
| Bubble tendency (70ºC±1ºC) |
Foam volume/ml | 45 | SH/T 0066 | |
| Foam disappearance time/s | 1.2 | |||
Hefei Huaqing HighTech Surface Technology Co., Ltd. stands as a beacon of innovation and technological excellence, nestled in the prestigious Hefei National High-Tech Industrial Development Zone. Our sprawling facility, covering an impressive 560-acre expanse, serves as the powerhouse for our cutting-edge advancements in technology. As specialists in advanced materials for surface treatment, we lead the charge in creating groundbreaking materials crafted specifically for cooling systems in the realm of new energy technologies. Our expertise shines brightly in the meticulous manufacturing of aerospace components and the sophisticated execution of electronic plating processes. Furthermore, we excel in the art of crafting bespoke equipment designed for surface treatment applications, ensuring unparalleled performance and quality that stands the test of time.bespoke equipment for surface treatment.Our company is renowned for its extraordinary research capabilities, as demonstrated by our active participation in 7 pivotal national scientific research projects. Our steadfast commitment to innovation is showcased through our remarkable portfolio of 79 national invention patents. As pioneers in the industry, we have been instrumental in forming and establishing 16 crucial national and industry standards. Our extensive and varied portfolio boasts 29 proprietary technologies, earning us 3 distinguished awards for scientific and technological excellence at national, provincial, and municipal levels. Our relentless pursuit of excellence drives us to consistently set new standards and surpass industry expectations, inspiring confidence and admiration.

Leading the Liquid Cooling Revolution: Hefei Huaqing High Tech Surface Technology Co., Ltd. proudly stands at the forefront of the industrial transformation in liquid cooling materials. Our Liquid Cooling Division is dedicated to providing an extensive range of high-performance and eco-friendly coolants, heat transfer fluids, and innovative liquid cooling solutions that are precisely engineered for superior performance. By forming enduring partnerships and embracing breakthrough technological innovations, we champion the widespread adoption of high-performance, environmentally responsible coolants. These cutting-edge products are specifically designed to meet the rigorous demands of new energy vehicles, energy storage systems, wind power installations, and data centers, among others. Through collaboration with both upstream and downstream enterprises, we strive for mutually beneficial outcomes, paving the path toward a sustainable, greener future, and setting new industry standards.
Revolutionizing Production Efficiency: Our unwavering commitment to production excellence sets us apart. By focusing on process optimization and leveraging state-of-the-art technologies, we guarantee that our production capabilities are not only exceptionally efficient but also sustainably poised to meet the increasing demands of the modern world, establishing a new standard for industry excellence.
At the Forefront of Innovation: The Huaqing New Material Production Center is a beacon of advanced infrastructure, boasting 12 high-tech coolant production lines, 6 fully automated surface treatment lines, and 2 coating lines, culminating in an impressive annual output of 200,000 tons. By utilizing environmentally friendly raw materials and pioneering technologies, our center embodies sustainability, reducing environmental impact at its core. This unwavering commitment to clean production is crucial in promoting sustainable growth and industrial progress within the surface treatment and liquid cooling sectors.
Strategic Geographical Supremacy: Our strategically advantageous geographical location is not just an asset; it underscores our dedication to accessibility and excellence. Meticulously positioned for maximum reach, we ensure our clients enjoy unrivaled logistical benefits and comprehensive support across the region, reinforcing our commitment to providing superior service delivery.
Strategically Located Huaqing Hefei Surface Treatment Base: Spanning an expansive 560 mu, this state-of-the-art facility features a cutting-edge wastewater treatment center with a daily capacity of 10,000 cubic meters. Transforming into a dynamic 'high-tech park, ecological park, cultural park, and economic park,' this innovative base offers unparalleled engineering expertise and comprehensive support services for surface treatment and liquid-cooled new materials across East China and beyond, setting new benchmarks in industry innovation.
Forging Groundbreaking Alliances with Leading Universities: By forming strategic partnerships with esteemed academic institutions, we bridge the gap between research and real-world application, fostering a culture of ongoing innovation and development. These alliances propel us forward, ensuring our technological advancements remain at the forefront of the industry.
Expansive Huaqing Hefei Surface Treatment Base: Covering an extensive 560 mu, this cutting-edge facility is home to an innovative wastewater treatment plant with a daily processing capacity of 10,000 cubic meters. Poised to evolve into a 'high-tech park, ecological park, cultural park, and economic park,' this base is set to deliver exceptional engineering and technical support, along with comprehensive auxiliary services for surface treatment and pioneering liquid-cooled new materials, serving clients across East China and beyond with unparalleled proficiency.



Q1: What types of antifreeze are available and for which scenarios?
A: Organic Acid Type (OAT) is available for petrol, diesel, electric vehicles and industrial equipment cooling systems.
Q2: What is the main ingredient of antifreeze and is it environmentally friendly?
A: This product adopts ethylene glycol/propylene glycol based formula with high efficient corrosion inhibitor and antioxidant, which complies with RoHS, REACH environmental protection standards and is non-toxic and harmless.
Q3: What international certifications have the products passed?
A: Certifications include: ISO9001, ISO14001, ISO45001.
Q4: What are the packaging specifications and do you support customization?
A: Standard specification: 25L/200L/1000L drum, support LOGO printing, leak-proof packaging customization, accept OEM/ODM service.
Q5: What is your terms of delivery?
A: FOB,EXW.
Q6: What is your terms of payment?
A: We support T/T and L/C payments. T/T payment requires a 30% deposit when placing an order and 70% of the final payment before shipping.
Q7: How long does it take from order to delivery?
A: Bulk orders 15-30 days (depending on order quantity).

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