Product Introduction
Our premier Motor Vehicle Antifreeze Coolant, the HQ-EV series, is meticulously crafted using polyester-grade ethylene diol, along with an advanced blend of high-efficiency corrosion inhibitors and defoamers. This top-tier formula ensures that your vehicle's engine cooling system remains in peak condition, safeguarding it from the harshest of environments. The freezing point of this versatile productcanbe custom-tailored to meet specific needs, offering a freezing point range of -60ºC to -20ºC. Operating within a temperature range of -55ºC to 120ºC, this pre-diluted coolant is designed for immediate use, ensuring seamless integration into your vehicle's system. Ready to use right out of the container, this product provides unmatched convenience and efficiency. Ideal for the cooling systems of electric vehicle power batteries, motors, electronic controls, and power exchange stations, it ensures your components run smoothly and efficiently.
- Boasting highly efficient thermal conductivity and superb metal corrosion protection, our coolant extends the life and safety of power batteries and other sensitive electrical equipment.
- Demonstrating outstanding environmental performance, our coolant is free from harmful nitrites, amine salts, phosphates, borates, and silicates, making it an eco-friendly choice.
- Enjoy peace of mind with a replacement cycle of 3 years or 150,000 km, whichever milestone you reach first.
- Compliant with stringent EU RoHS, REACH, and other global regulations, our product ensures you stay ahead of international standards.
Project |
HQ-EV |
Test method |
Appearance |
No precipitation or suspended matter, clear and transparent liquid |
Visual estimation |
Color |
Red |
Visual estimation |
Density(20.0ºC)/(g/cm3) |
1.070 |
SH/T 0068 |
Freezing point/ºC |
-36.2 |
SH/T 0090 |
Boiling point/ºC |
108.4 |
SH/T 0089 |
Ash content(Mass fraction)/% |
0.58 |
SH/T 0067 |
pH value |
8.5 |
SH/T 0069 |
Chlorine content/(mg/kg) |
1 |
SH/T 0621 |
Reserve alkalinity/ml |
3.8 |
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 |
1.1 |
SH/T 0085 |
Brass |
1.1 |
Steel |
0.9 |
Cast aluminum |
1.7 |
6-series aluminum |
2.1 |
4-series aluminum |
1.6 |
3-series aluminum |
2.0 |
Bubble tendency (70ºC±1ºC) |
Foam volume/ml |
40 |
SH/T 0066 |
Foam disappearance time/s |
1.4 |
Main Product
Company Profile
Hefei Huaqing High Tech Surface Technology Co., Ltd. is prestigiously located in the illustrious Hefei National High-Tech Industrial Development Zone, sprawling over an expansive 560-acre landscape. Our expertise lies in pioneering advanced materials for state-of-the-art surface treatments, cutting-edge new energy liquid cooling materials, precision processing of aerospace components, innovative electronic plating techniques, and the development of specialized equipment for superior surface treatments.zed equipment for surface treatment.
Our company proudly spearheads a legacy of innovation, having undertaken 7 national scientific research projects, secured an impressive 79 national invention patents, and played a pivotal role in establishing 16 national and industry standards. Our portfolio includes 29 proprietary technologies, earning us 3 prestigious national, provincial, and municipal awards for groundbreaking scientific and technological advancements.

Company Advantage
Persist in innovation and win-win cooperation
The Liquid Cooling Division of Huaqing is at the forefront of industrializing cutting-edge liquid cooling materials. We are passionately committed to delivering or tailoring a range of high-performance and eco-friendly coolants, heat transfer fluids, and innovative liquid cooling solutions. Through relentless collaboration and breakthrough innovation, we facilitate the adoption of premium eco-friendly coolants that cater to the dynamic demands of new energy vehicles, energy storage, wind power, and data centers. Our dedication extends to forging win-win partnerships with both upstream and downstream enterprises, collectively paving the way for a cleaner and sustainable future.
Our productivity leads the industry
The Huaqing New Material Production Center proudly features 12 state-of-the-art coolant production lines, 6 fully automatic surface treatment lines, and 2 advanced coating lines, boasting an impressive annual production capacity of 200,000 tons. Utilizing eco-friendly raw materials and cutting-edge technologies, the center pioneers products that prevent environmental pollution right from the source, epitomizing truly clean production. This effort not only champions sustainable development but also spearheads industrial advancements in surface treatment and liquid cooling sectors.
Strategically superior geographical location
Envisioned to span an impressive 560 mu, the Huaqing Hefei Surface Treatment Base is equipped with a robust wastewater treatment center capable of handling 10,000 cubic meters of sewage daily. This base is destined to evolve into a multifaceted hub-a 'high-tech park, ecological park, cultural park, and economic park'-offering top-tier engineering support and comprehensive services for surface treatment and emerging liquid-cooled materials, serving East China and beyond.
Forge powerful alliances with prestigious universities
Envisioned to span an impressive 560 mu, the Huaqing Hefei Surface Treatment Base is equipped with a robust wastewater treatment center capable of handling 10,000 cubic meters of sewage daily. This base is destined to evolve into a multifaceted hub-a 'high-tech park, ecological park, cultural park, and economic park'-offering top-tier engineering support and comprehensive services for surface treatment and emerging liquid-cooled materials, serving East China and beyond.
Our Certificate

Exhibition

Packaging & Shipping

FAQ
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.
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).