Customization: | Available |
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CAS No.: | 107-21-1 |
Formula: | C2h6o2 |
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Project | HQ-DC3 | Test method | ||
Appearance | No precipitation and suspension, clear and transparent liquid | Visual estimation | ||
Color | Red | Visual estimation | ||
Density(20.0ºC)/(g/cm3) | 1.081 | SH/T 0068 | ||
Freezing point/ºC | -46.2 | SH/T 0090 | ||
Boiling point/ºC | 112 | SH/T 0089 | ||
Ash (mass fraction)/% | 0.63 | SH/T 0067 | ||
pH value | 8.4 | SH/T 0069 | ||
Chlorine content/(mg/kg) | 8 | SH/T 0621 | ||
Reserve alkalinity/ml | 4.8 | SH/T 0091 | ||
Effect on organic coatings | No effect | SH/T 0084 | ||
Corrosion of glassware (88ºC±2ºC, 336h±2h) |
Mass change (mg/test piece) |
Purple copper | 1.0 | SH/T 0085 |
Brass | 0.5 | |||
Steel | 1.0 | |||
Cast iron | 1.3 | |||
Solder | 2.4 | |||
Cast aluminium | 0.9 | |||
Corrosion of glassware (88ºC±2ºC, 1064h±2h) |
Mass change (mg/test piece) |
Purple copper | 2.1 | SH/T 0085 |
Brass | 2.3 | |||
Steel | 1.6 | |||
Cast iron | 2.1 | |||
Solder | 2.3 | |||
Cast aluminium | 1.9 | |||
Bubble tendency(70ºC±1ºC) | Foam volume/ml | 25 | SH/T 0066 | |
Foam disappearance time/s | 1..0 |
Hefei Huaqing High Tech Surface Technology Co., Ltd. is prestigiously situated in the esteemed Hefei National High-Tech Industrial Development Zone, graciously spanning over an impressive 560 acres. As a trailblazer in the industry, the company excels in pioneering new materials for surface treatment, cutting-edge innovations in new energy liquid cooling, intricate aerospace parts processing, advanced electronic plating processing, and specialized functional equipment for surface treatment.zed equipment for surface treatment.
With a remarkable legacy of innovation, the company has spearheaded 7 national scientific research projects, acquired 79 national invention patents, and played a pivotal role in hosting and contributing to the formulation of 16 national and industry standards. Hefei Huaqing High Tech Surface Technology Co., Ltd. boasts 29 proprietary technologies and has been honored with 3 prestigious national, provincial, and municipal awards for scientific and technological progress, underscoring its commitment to excellence and leadership in the field.
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).