High Performance

Castrol Optigear Synthetic 1710/320

VISCOSITY - ISO 320

Semi-synthetic Gear Oils

DESCRIPTION

Castrol Optigear Synthetic™ 1710 (previously called Tribol 1710) is a range of high-performance extreme pressure gear
oils, developed to help tackle wear-related problems in heavily loaded industrial gears and bearings. Optigear Synthetic
1710 is formulated with Castrol’s Tribol Gear Oil Additive (TGOA) Plastic Deformation (PD) additive and high quality
mineral base oils and synthetic polyalphaolefins.

TGOA PD helps improve lubricant performance when operating temperature and loads reach a certain level of activation
energy by enabling the micro-smoothing of surface roughness without increasing wear. The smoothed surface delivers
optimum wear protection and an extremely low coefficient of friction, especially in applications which experience extreme
pressure, shock loads, vibrations or low speeds. TGOA PD helps to protect against scuffing and shock loading, while
maintaining a high load carrying capacity, and can help prevent the progression of micro-pitting in pre-damaged gears.

APPLICATIONS

Typical applications are in spur, helical, herringbone, bevel and planetary gears as well as in geared couplings, rolling
and sliding bearings and in gear drive circulating systems.

Depending on the application, Optigear Synthetic 1710 may be used in a temperature range from –30°C up to +95°C / –
22°F up to 203°F (please contact your Castrol Technical Services team for further information).

Optigear Synthetic 1710 semi-synthetic gear oils are compatible with most mineral oil, ester and synthetic based
products. This means that traces of up to 3% of previous oil in the gear case after draining will not pose any problems.
However, the beneficial effects of the TGOA additives are reduced when Optigear Synthetic 1710 oils are mixed with
other gear oils. Optigear Synthetic 1710 oils are not compatible with polyglycols. After draining a polyglycol fill, the gear
case must be flushed well with a mineral oil or flushing oil.

Optigear Synthetic are CLP-HC gear oils (DIN 51502) and exceed minimum requirements according to DIN 51517 T.3
for ISO 320 and 460 grades

ADVANTAGES

Compared to conventional gear oils (of similar class), Optigear Syntehic 170 provides the following advantages:

  • High load carrying capacity as demonstrated in Load stage >12 being passed in the FZG test (for ISO 320 and
    above)
  • Exellent wear prevention as demostrated in the FZG micropitting test (for ISO 220 and above)
  • Running-in pitting is prevented or stopped, unless caused by poor design or heavy overloading of the gears
  • Lapping of gears is no longer necessary
  • Previous pitting or damaged surfaces can be stopped or visibily reduced
  • Lower operating temperature and noise level
  • Extended service life of gears and bearings, which helps to reduce maintenance costs
  • High viscosity-index allows start-ups at low temperatures due to the lower viscosity and allows build-up of a
    lubricant film with sufficient thickness at high temperatures
TYPICAL CHARACTERISTICS
Name Method Units Optigear

Synthetic

1710/320

ISO Viscosity Grade 320
Density @ 15°C / 59°F

 

ISO 12185 /

ASTM D4052

kg/m³ 875
Kinematic Viscosity @

40°C / 104°F

 

ISO 3104 /

ASTM D445

mm²/s 320
Kinematic Viscosity @

100°C / 212°F

 

ISO 3104 /

ASTM D445

mm²/s 31.2
Viscosity Index

 

ISO 2909 /

ASTM D2270

138
Flash Point – open cup

method

 

ISO 2592 /

ASTM D92

°C/°F >240/464
Pour Point

 

ISO 3016 /

ASTM D97

°C/°F -30/-22
Rust test – distilled

water (24 hrs)

 

ISO 7120 /

ASTM D665A

pass
Copper corrosion

(3hrs@100°C/212°F)

 

ISO 2160 /

ASTM D130

Rating 1
FZG Gear Scuffing test

– A/8.3/90

 

ISO 14635-1

 

Failure Load

Stage

>12
FZG Gear Scuffing test

– A/16.6/90

 

ISO 14635-1

(modified)

 

Failure Load

Stage

>12
FZG Micropitting test @

90°C/194°F

 

FVA 54-7 Failure Load

Stage /

Micropitting

rating

>10/High
APPROVAL & PERFORMANCE CLAIMS
ADDITIONAL INFORMATION

This product was previously called Tribol 1710. The name was changed in 2015.

PACK SIZES AVAILABLE
20L1000L

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