Pre-Diluted Cooling Liquid Thermal Conductivity for Long-Lasting Antifreeze

• Customization: Available
• CAS No.: 107-21-1
• Formula: C2h6o2
• Model NO.: HQ-DC3
• EINECS: 203-473-3
• Certification: REACH
• Environmental Protection: Yes
• Function: Heat Resistance
• Appearance: Liquid
• Color: Red
• Chemical Activity: Inertness
• Appearances: Liquid
• Colour: Red
• Brand: Huaqing
• Transport Package: Wooden
• Specification: (H)140X(W)410X(D)315 MM
• Trademark: huaqing
• Origin: China

Product Description

Product Introduction

Data centre coolant HQ-DC3 series is made of propylene glycol, highly efficient corrosion inhibitor and high purity water. This product is pre-diluted cooling liquid, can be used directly. It is suitable for cooling and heat exchange circulation systems in data centers.
-Excellent thermal conductivity for long-lasting thermostatic protection;
-Excellent metal corrosion protection and non-metallic compatibility, extending the life of the cooling and heat exchange circulation system;
-Extremely long service life, reducing maintenance costs in data centres;
-Non-toxic and environmentally friendly, does not contain phosphate, molybdate, nitrite and other inorganic salts;
-Meet the requirements of EU RoHS, REACH and other regulations.

Project			HQ-DC3-10	Test method
Appearance			Clear and transparent liquid without precipitation and suspension	Visual estimation
Color			Red	Visual estimation
Density(20.0ºC)/(g/cm3)			1.029	SH/T 0068
Freezing point/ºC			-11.4	SH/T 0090
Boiling point/ºC			102.4	SH/T 0089
Ash (mass fraction)/%			0.35	SH/T 0067
pH value			8.3	SH/T 0069
Chlorine content/(mg/kg)			2	SH/T 0621
Reserve alkalinity/ml			2.3	SH/T 0091
Effect on organic coatings			No impact	SH/T 0084
Corrosion of glassware (88ºC±2ºC, 336h±2h)	Mass change (mg/test piece)	Purple copper	1.1	SH/T 0085
		Brass	0.7
		Steel	0.9
		Cast iron	1.4
		Solder	1.5
		Cast aluminium	1.2
Corrosion of glassware (88ºC±2ºC, 1064h±2h)	Mass change (mg/test piece)	Purple copper	2.2	SH/T 0085
		Brass	2.0
		Steel	1.7
		Cast iron	2.3
		Solder	2.7
		Cast aluminium	1.9
Bubble tendency(88ºC±1ºC)	Foam volume/ml		30	SH/T 0066
	Foam disappearance time/s		1.0
Heat transfer corrosion of aluminium alloy (135ºC±1ºC, 168h±2h) Mass change rate/(mg/cm2)	0.2			SH/T 0620

Main Product

Company Profile

Hefei Huaqing High Tech Surface Technology Co., Ltd. is located in Hefei National High-Tech Industrial Development Zone, covering a total area of 560 acres. It specializes in new materials for surface treatment, new materials for new energy liquid cooling, aerospace parts processing, electronic plating processing, and functionalized equipment for surface treatment.
The company has undertaken 7 national scientific research projects, obtained 79 national invention patents, hosted and participated in the formulation of 16 national standards and industry standards, has 29 proprietary technologies, and has won 3 national, provincial and municipal awards for scientific and technological progress.

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