Features Of Dow Dowtherm SR-1 Ethylene glycol
Powerful Corrosion Inhibition - Extremely low corrosion rate on carbon steel and other metals, greatly extending equipment service life
Wide Temperature Adaptation - Wide anti-freezing and heat transfer range, suitable for high and low temperature complex working conditions
Stable Heat Transfer Efficiency - Excellent heat transfer efficiency and strong thermal stability, ensuring accurate temperature control
Closed-Loop System Compatibility - Suitable for various closed-loop refrigeration systems, excellent compatibility with system materials
Typical Applications Of Dow Dowtherm SR-1 Ethylene glycol
Precision Equipment Field - Used as coolant for high-precision equipment such as laser machines and spindles to ensure constant temperature operation of equipment
Cold Chain Logistics Field - Used as heat transfer medium for cold storage and ice storage systems to maintain a stable low-temperature environment
Air Conditioning Refrigeration Field - Suitable for central air conditioning closed-loop refrigeration systems, improving refrigeration efficiency and system stability
Food Industry Field - Used for thermal management of food processing cold chain equipment, meeting food industry safety requirements
Specifications Of Dow Dowtherm SR-1 Ethylene glycol
| Chemical Type | Inhibited Ethylene Glycol |
| English Name | Dowtherm™ SR-1 Inhibited Ethylene Glycol Coolant |
| CAS No. (Main Component) | 50-00-0 |
| Main Component | Ethylene Glycol (with corrosion inhibitor) |
| Physical Form | Colorless transparent liquid |
| Freezing Point (25% Aqueous Solution) | Approx. -15 ℃ |
| Freezing Point (28% Aqueous Solution) | Approx. -18 ℃ |
| Boiling Point (25% Aqueous Solution) | Approx. 107 ℃ |
| Corrosion Rate (25%-28% Aqueous Solution, Carbon Steel) | 1/200 of pure water, 1/1000 of ordinary ethylene glycol |
| Applicable Temperature Range | Approx. -35 ℃ to 120 ℃ |
Dow Monoisopropanolamine MIPA – Frequently Asked Questions (FAQ)
Q1: What is the primary functional role of Dow MIPA in industrial formulations?
A: Dow Monoisopropanolamine (MIPA) functions primarily as a versatile, low-volatility alkanolamine that serves as a pH adjuster, corrosion inhibitor, and reaction intermediate. Its balanced hydrophilicity and moderate basicity make it especially effective in water-based systems such as metalworking fluids, cleaners, and agrochemical emulsifiers.
Q2: How does MIPA compare to monoethanolamine (MEA) or diethanolamine (DEA) in terms of volatility and skin sensitization potential?
A: MIPA exhibits lower volatility than MEA due to its branched isopropanol group, contributing to improved handling stability in open processes. While all alkanolamines require appropriate occupational hygiene practices, MIPA generally demonstrates a more favorable dermal safety profile compared to MEA in standard toxicological assessments—though formulation-specific testing remains essential.
Q3: Is Dow MIPA compatible with common anionic and nonionic surfactants used in industrial cleaners?
A: Yes, MIPA is broadly compatible with anionic surfactants (e.g., alkylbenzene sulfonates, alcohol ethoxysulfates) and nonionic surfactants (e.g., alcohol ethoxylates), where it helps stabilize micellar structures and enhances solubilization of acidic actives. Compatibility should always be verified under actual formulation conditions, particularly at elevated temperatures or extreme pH.
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