NNL 690G: Boundary Lubricant for Gear Oil

General Description:

NNL 690G is specially formulated for use in all types of mobile and industrial equipment where Extreme Pressure (EP) oils are called for (API GL-3 or greater). Specific applications include gear reducers, bearing housings, differentials (except posi-trac or limited slip), cone and jaw crushers, pulverizing equipment, final drives, conveyer drive gear boxes, standard transmissions, drop boxes, rotary tables, tube and ball mills, chain drives, mud pumps, bull gear and pinion sets, etc.

Primary Benefit of NNL 690G:

The primary benefit of NNL 690G is to reduce the friction caused by asperity (metal to metal) contact in the boundary lubrication regime. It is designed for lubricated systems which call for extreme pressure (EP) oils and engines requiring low ash-content oils.

Secondary Benefits of NNL 690G:

• Reduces ultrasonic wear noises which relates directly to component wear.
• Reduces dry start-ups.
• Lowers operating temperatures and slows oil degradation.
• Decreases wear in cold temperature applications (conventional EP additives are very dependent upon temperature to chemically react with the wear surfaces). The high film strength protection provided by NNL 690G is less dependent on temperature.
• Reduces fuel and/or electrical power consumption in many applications.
• Improves filtration efficiency by reducing the generation of large wear particles.
• Increases equipment availability and extends equipment life.

Product Application and Availability:

NNL 690G is intended for use in all types of mobile and industrial equipment where EP oils are called for. NNL 690G should be applied with each oil change at 5% of the gearbox capacity. With gear oils heavier than ISO 320, NNL 690G should be used at 3%. In internal combustion engine crankcases using low ash or ashless oils, NNL 690G should be used at 3% of the oil volume with each oil change. It is also suitable for use in automatic transmissions at an application rate of 1%, in power shift transmissions at 3%, and in circulating systems at 3% or 5%, depending on the severity of the service. NNL 690G is compatible with mineral based oils and with synthetic oils based on polyalphaolefins and diesters. At recommended applications rates, it will not affect typical gear or engine oil viscosity ratings or seal materials.

NNL 690G is available in 1L bottles, 5L and 10L jugs, 20L pails and 205L drums.

Customer Comments:

The product of choice for the gearboxes in Talisman Mountain Resort's nine lifts is NNL 690G.  "The gears are brass and with the cold start up, the oil was picking the brass off the gears.  We had to put in new gearboxes but we haven't had any more trouble since we started treating the oil with Power Up."
-Jack Linton, Maintenance Manager, Talisman Mountain Resort, Kimberly Ontario

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