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-46 is a high-performance, fire-resistant hydraulic fluid formulated with water and ethylene glycol as the primary components, combined with water-soluble thickener and additives such as 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 good lubrication performance guarantees equipment life. The product complies with GB/T21449-2008 (Chinese national standard), ISO L-HFC (ISO 12922:2020) and FM Global Approvals Class 6930. It is suitable for a wide range of hydraulic systems in the steel, aluminum, die-casting, mining, and industrial sectors, providing long-term, reliable equipment protection.
Formulated with a unique water-glycol base and an advanced additive package including anti-wear agents, antioxidants, rust inhibitors, and anti-foam agents, this ISO VG 46 grade fluid delivers exceptional fire resistance and lubrication performance for hydraulic systems operating in high-risk fire environments. With a typical viscosity of 46 cSt at 40°C and a high viscosity index of 195, it ensures reliable lubrication across a wide temperature range. The product is designed to maintain system cleanliness and efficiency by providing excellent 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. 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.
Typical Technical Properties
| Property | Test Method | Typical Value |
| Product Name | - | Water Glycol Flame Retardant Hydraulic Fluid HFC-46 |
| Appearance | AMS 1738 | Red transparent liquid |
| Density at 20°C | ASTM D4052 | 1.050 g/cm³ |
| Kinematic Viscosity at 40°C | ASTM D445 | 46 cSt |
| Viscosity Index | ASTM D2270 | 195 |
| Pour Point | ASTM D97 | -50°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, delivering superior flame retardancy, anti-wear protection, and corrosion resistance to ensure long-term equipment reliability and safety.
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.
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 under high load and high temperature conditions.
Superior Corrosion & Oxidation Protection
Enhanced corrosion resistance protects hydraulic system components from corrosive effects. High oxidation resistance ensures long fluid life and maintains performance properties throughout the entire service interval.
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-46 is suitable for a wide range of hydraulic systems in industrial, mining, and manufacturing sectors where fire safety is critical.
Steel & Metallurgy Industry
Steel production, rolling mills, forging presses, and coke production facilities.
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Mining & Underground Equipment
Mine support hydraulic systems, road headers, loading machines, drilling rigs, and mine hoists.
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Die-Casting & Plastic Processing
Die-casting machines, injection molding plants, molding machine hydraulic systems, and plastic processing industries.
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General Industrial Hydraulic Systems
Hydraulic systems utilizing vane, gear, and piston pumps operating in conditions subject to fire hazards.
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Product Selection Support
Water Glycol Flame Retardant Hydraulic Fluid HFC-46 is a practical choice for customers looking for a reliable fire-resistant alternative to mineral oil-based hydraulic fluids. To recommend the most suitable product, please provide the equipment model, pump type, operating temperature, 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-46 mainly used for?
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It is mainly used for hydraulic systems in steel production, rolling mills, forging presses, coke production, mining, die-casting, and plastic processing industries. It is suitable for hydraulic systems utilizing vane, gear, and piston pumps, as well as hydraulic and oil circulation systems operating in conditions subject to fire hazards.
Can Water Glycol Flame Retardant Hydraulic Fluid HFC-46 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 can be considered as a reliable fire-resistant alternative. However, it is not miscible with standard mineral-based hydraulic oils (HLP, HVLP).
What is the recommended operating temperature range?
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The recommended operating temperature range is -20°C to 60°C. The temperature in the oil volume should not exceed 60°C to prevent water evaporation. For open fuel tanks, the maximum temperature is 55°C; for closed tanks it is 65°C. At higher temperatures, HFDU fluids are recommended.
Is technical documentation available?
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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.
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