SKU: 9796516620

AW 46 Fire Resistant Hydraulic Fluid - 275 Gallon Tote

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Description

AW 46 Fire Resistant Hydraulic Fluid - 275 Gallon ToteDescription Sinopec Ester based Fire resistant Hydraulic Fluid 4632 is a range of polyol ester type hydraulic fluids formulated with selected additives, available in four ISO viscosity grades: 32, 46, 68 and 100. This biodegradable and environmentally responsible fluid, which does not contain water, mineral oil or phosphate esters, can be used in place of a conventional antiwear hydraulic fluid in applications where there is a risk of fire or

Description

Sinopec Ester-based Fire-resistant Hydraulic Fluid 4632 is a range of polyol ester type hydraulic fluids formulated with selected additives, available in four ISO viscosity grades: 32, 46, 68 and 100. This biodegradable and environmentally responsible fluid, which does not contain water, mineral oil or phosphate esters, can be used in place of a conventional antiwear hydraulic fluid in applications where there is a risk of fire or accidental environmental contamination, where it achieves excellent hydraulic fluid performance

Applications

Sinopec Ester-based Fire-resistant Hydraulic Fluid 4632 is suitable for use in:

  • Hydraulic applications where there is a risk of fire or of accidental environmental contamination, where a conventional mineral-oil based antiwear hydraulic fluid would present a fire hazard or pollution hazard.

  • Hydraulic applications where a fire-resistant antiwear hydraulic fluid of type ISO 6743/4 HFDU or ISO/FDIS 12922 is required.

Features & Benefits

  • High flash point (270°C) and fire point (330°C) make the fluid resistant to fire, offering a safer working environment and greater equipment protection.

  • Excellent antiwear performance in hydraulic pumps and valves when used in accordance with the equipment manufacturers’ recommendations.

  • Excellent thermal and oxidation stability reduce the formation of deposits and sludge and prevent valve sticking, ensuring longer system life and extended drain intervals.

  • High shear stability means the fluid stays in grade and is not broken down in service.

  • Very high viscosity index (VI > 180) provides outstanding viscosity–temperature performance compared to conventional mineral oil (VI ~ 100) and phosphate ester (VI < 0) hydraulic fluids.

  • Good lubricity properties, provided by the polyol ester fluid, protect hydraulic components from wear.

  • Compatible with iron, steel, and most non-ferrous metals and their alloys.

  • Wide operating temperatures range – from –20°C to 90°C.

  • Suitable for use in hydraulic systems operating at a constant pressure of >40 MPa.

  • Non-toxic, non-irritating and contains no hazardous ingredients, so safe to use and handle.

  • Readily biodegradable and non-toxic to aquatic life, so suitable in applications where accidental spillage or leakage of fluid is possible.

  • Excellent storage stability and long product life – comparable to conventional mineral oil fluids or polyglycols.

Specifications

Sinopec Ester-based Fire-resistant Hydraulic Fluid 4632
ISO viscosity grade 32 46 68 100
cSt @ 40°C 32.0 46.0 68.0 100.0
cSt @ 100°C >7.0 >9.0 >12.0 >14.0
Viscosity index, ASTM D 2270 >180 >180 >180 >180
Air release at 50°C, mins, ASTM D 3427 10 max 10 max 15 max 15 max
Foaming characteristics, ASTM D 892 50/0 max
50/0
50/0
50/0 max
50/0
50/0
50/0 max
50/0
50/0
100/0 max
100/0
100/0
Neutralisation number, mg KOH/g, ASTM D 974 2.0 2.0 2.0 2.0
Rust prevention, ASTM D 665
distilled water
pass pass pass pass
Copper corrosion, 3 hours @ 100°C, ASTM D 130 1b 1b 1b 1b
Water separability, ASTM D 2711 30 max 30 max 30 max 30 max
Pour point, °C, ASTM D 97 –20 max –20 max –20 max –20 max
Flash point (COC), °C, ASTM D 92 >270 >270 >270 >270
Fire point, °C, ASTM D 92 >330 >330 >330 >330
Manifold ignition test, @ 704°C, CETOP RP 65H pass pass pass pass
Density @ 20°C, kg/l, ASTM D 4052 0.95 max 0.95 max 0.95 max 0.95 max


Industry and OEM specifications

Sinopec Ester-based Fire-resistant Hydraulic Fluid 4632 meets the performance requirements of the following industry specifications:
ISO 6743/4 HFDU (synthetic fluids containing no water, other compositions)
ISO/FDIS 12992

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    SKU: 9796516620

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    Robert
    Belleville, US
    ★★★★★ 5
    Fit my Subaru Forester perfectly!
    This fit my 2024 Subaru Forester perfectly. The filters exhibited a high quality construction and was packaged well. Installation was easy and saved me a lot of $ vs. having my dealer install an OEM filter.
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    Reviewed in the United States on December 16, 2025
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    Jeremiah
    Natrona Heights, US
    ★★★★★ 5
    Good Fit
    I don’t expect this filter to last as long as the original filter but that’s okay because it is about half the cost. It looks well made. I didn’t see any flaws. I chose this filter because it had some of the fewest complaints regarding the fit and it worked well for my ‘23 Subaru Forester. I may go back to an OEM filter next time but it’s nice to know that this one will work for me.
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    Reviewed in the United States on April 30, 2026
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    John Appleseed
    Chelsea, US
    ★★★★★ 5
    Fits as advertised
    Good item
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    Reviewed in the United States on May 11, 2026
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    Just Joe
    Lowell, US
    ★★★★★ 4
    Don't spend $50 at the shop, do it yourself.
    Filter fits as it should. Good price for what feels line a quality part.
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    Reviewed in the United States on January 4, 2026
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    Shane605
    Natrona Heights, US
    ★★★★★ 5
    DIY
    Good price and fit my 2018 subaru crosstrek. Saved money switching it out myself. Super easy to do it yourself
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    Reviewed in the United States on February 15, 2026

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