Water-ethylene Glycol Refractory
Shandong Sanjing Lubrication Technology Co., Ltd. is one of the leading manufacturers and suppliers of water-ethylene glycol refractory in China. We are committed to providing high quality customized service to global clients. Please feel free to buy bulk water-ethylene glycol refractory made in China here from our factory.
Product Overview
Water Glycol Flame Retardant Hydraulic Fluid HFC-32 is a low-viscosity, high-performance fire-resistant hydraulic fluid formulated with water and ethylene glycol as the primary components, combined with water-soluble thickener and a specially balanced additive package including anti-wear, anti-rust, and defoaming agents. Compared with traditional mineral oil-based hydraulic fluids, this product offers superior environmental protection, reliability, and safety. Its excellent flame resistance ensures safe use at high temperature or when exposed to open flames, while the low viscosity grade provides outstanding cold-start performance and energy efficiency. The product complies with GB/T21449-2008 (Chinese national standard), ISO L-HFC (ISO 12922:2020) and FM Global Approvals Class 6930. It is an ideal choice for hydraulic systems operating in cold climates or requiring rapid response at low temperatures.
Formulated with a unique water-glycol base and an advanced additive system including anti-wear agents, antioxidants, rust inhibitors, and anti-foam agents, this ISO VG 32 grade fluid delivers exceptional fire resistance and excellent lubrication performance for hydraulic systems operating in high-risk fire environments. With a typical viscosity of 32 cSt at 40°C and a high viscosity index of 195, it ensures reliable lubrication across a wide temperature range, while its low pour point (-46°C) guarantees smooth operation even in severe winter conditions. The product is designed to maintain system cleanliness and efficiency by providing outstanding anti-wear properties, corrosion resistance, and thermal stability. It meets multiple international standards, including ISO 6743/4 HFC, ISO 12922:2020, GB/T21449-2008, and FM Global Approvals, making it a trusted choice for hydraulic systems where fire safety and operational reliability are paramount.
It is especially suitable for hydraulic systems utilizing vane, gear, and piston pumps in steel production, rolling mills, forging presses, coke production, mining, die-casting, and plastic processing industries, with particular advantages in applications that require lower viscosity for improved flow and cold-start capability. It is also ideal for hydraulic and oil circulation systems operating in conditions subject to fire hazards, as well as mine support hydraulic systems, road headers, and auxiliary equipment. The product is particularly recommended for medium-loaded hydraulic systems (150-250 atm.) operating near open flames or with significant fire risk, especially in environments with variable seasonal temperatures.
Typical Technical Properties
| Property | Test Method | Typical Value |
| Product Name | - | Water Glycol Flame Retardant Hydraulic Fluid HFC-32 |
| Appearance | AMS 1738 | Red transparent liquid |
| Density at 20°C | ASTM D4052 | 1.035 g/cm³ |
| Kinematic Viscosity at 40°C | ASTM D445 | 32 cSt |
| Viscosity Index | ASTM D2270 | 195 |
| Pour Point | ASTM D97 | -46°C |
| pH Value at 25°C | ASTM E70 | 9.8 |
| Copper Strip Corrosion (50°C, 24h) | ISO 2160 | Pass |
| Fire Resistance | FM Global 6930 | Pass |
Core Performance Advantages
Designed for demanding hydraulic applications requiring fire resistance combined with low viscosity and excellent cold-weather performance, delivering superior flame retardancy, anti-wear protection, and corrosion resistance.
Superior Fire Resistance
Inherently fire-resistant with no flash point, effectively reducing the risk of fire and explosion in high-risk environments. FM Approved as a fire-resistant industrial fluid, ensuring safe operation even near open flames.
Excellent Anti-Wear & Lubricity
Outstanding anti-wear properties help extend component life and provide effective equipment protection throughout the entire drain interval. Ensures stable hydraulic pump performance even under high load and at low temperatures.
Superior Low-Temperature & Oxidation Protection
Low pour point (-46°C) ensures reliable cold-start and smooth operation in winter conditions. High oxidation resistance maintains fluid integrity and extends service life even in continuous high-temperature operation.
Broad International Compliance
Formulated to meet or exceed major global specifications, including ISO 6743/4 HFC, ISO 12922:2020, GB/T21449-2008, and FM Global Approvals Class 6930, ensuring global acceptance and interchangeability.
Application Scenarios
Water Glycol Flame Retardant Hydraulic Fluid HFC-32 is particularly suitable for hydraulic systems that benefit from lower viscosity, especially in cold environments or where energy efficiency and rapid response are critical.
Steel & Metallurgy Industry
Steel production, rolling mills, forging presses, and coke production facilities, especially for systems requiring quick response at start-up.
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Mining & Underground Equipment
Mine support hydraulic systems, road headers, loading machines, drilling rigs, and mine hoists operating in cold or variable-temperature conditions.
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Die-Casting & Plastic Processing
Die-casting machines, injection molding plants, and molding machine hydraulic systems where low viscosity improves cycle times and energy consumption.
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General Industrial & Mobile Hydraulics
Hydraulic systems utilizing vane, gear, and piston pumps, particularly those subject to wide temperature fluctuations and requiring fast actuation.
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Product Selection Support
Water Glycol Flame Retardant Hydraulic Fluid HFC-32 offers an excellent balance of fire resistance, low-temperature fluidity, and wear protection. It is the preferred choice for systems operating in cold climates or where energy savings through reduced viscosity are desired. To recommend the most suitable product, please provide the equipment model, pump type, operating temperature range, system pressure, and maintenance requirements.
Technical data sheet (TDS), safety data sheet (SDS), packaging options, and customized supply support are available upon request.
Frequently Asked Questions
Common questions for product selection, application, and technical support.
What equipment is Water Glycol Flame Retardant Hydraulic Fluid HFC-32 mainly used for?
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It is mainly used for hydraulic systems where low viscosity is beneficial, such as those in cold regions or requiring quick response. Applications include steel production, mining, die-casting, plastic processing, and general industrial hydraulics with vane, gear, or piston pumps.
Can HFC-32 be used as an alternative to mineral oil-based hydraulic fluids?
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Yes. It is specifically designed to replace mineral-based hydraulic oils in applications with high fire risk. It complies with international standards and provides superior fire safety. However, it is not miscible with standard mineral-based hydraulic oils (HLP, HVLP) and requires proper system flushing before changeover.
What is the recommended operating temperature range for HFC-32?
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The recommended operating temperature range is -20°C to 60°C. Thanks to its low pour point (-46°C), it performs excellently in cold starts. The maximum oil temperature should not exceed 60°C to prevent water evaporation. For open reservoirs, limit is 55°C; for closed reservoirs, 65°C. For higher temperatures, consider HFDU synthetic fluids.
Is technical documentation available for HFC-32?
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Yes. TDS (Technical Data Sheet), SDS (Safety Data Sheet), packaging information, and product selection support can be provided according to customer requirements. We also offer customized formulation support for specific applications.
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