| Customization: | Available |
|---|---|
| CAS No.: | 107-21-1 |
| Formula: | C2h6o2 |
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| Project | HQ-DC1-45 | 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 strategically nestled in the prestigious Hefei National High-Tech Industrial Development Zone, boasting an impressive expanse of 560 acres. A beacon of innovation, the company is at the forefront of crafting cutting-edge new materials tailored for surface treatment, pioneering advancements in new energy liquid cooling solutions, aerospace components precision processing, electronic plating processing, and an array of specialized equipment for enhanced surface treatment.zed equipment for surface treatment.
Demonstrating an unwavering commitment to research excellence, the company has spearheaded 7 pivotal national scientific research projects. It proudly holds 79 national invention patents, underscoring its innovative prowess. As a leader in its field, the company has played a crucial role in the development and refinement of 16 national and industry standards. With a portfolio of 29 proprietary technologies, it has earned 3 prestigious awards for scientific and technological advancements at national, provincial, and municipal levels.
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).
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