Primrose
327-1 Armor Plate Grease with Moly-D / NLGI #1
327-1 Armor Plate Grease with Moly-D / NLGI #1
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Primrose Armor Plate with Moly-D is a rich green moly grease which provides excellent stability and unsurpassed performance under a wide range of temperatures and operating conditions. Armor Plate grease is entirely unique due to the fact that the moly in it is solubilized which provides superior performance to other greases containing the black solid form of moly, molybdenum disulfide.
327/ No. 1 has a considerably softer consistency for certain applications such as excellent pump-ability at subfreezing temperatures and automatic lubrication.
APPLICATIONS:
- Construction Companies
- Farms
- Drilling Rigs
- Asphalt Plants
- Cotton Gins
- Steel Mills
- Bottling Plants
- Sugar Refineries
- Feed Lot Operators
- Barges
- Industrial Companies
- Lumber Mills
- Mines
- Ditch Diggers
Technical Data Sheet
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Open / downloadKey specifications
- NLGI grade
- No. 1
- Worked 60 penetration (ASTM D217)
- 310-340
- Thickener
- Organo-clay (non-soap base)
- Dropping point (ASTM D2265)
- None (non-melt)
- Timken OK load (ASTM D2509)
- 65 lb
- Four Ball EP (ASTM D2596)
- 315 kg weld load, 58 kg load wear index
- Four Ball wear (ASTM D2266)
- 0.45 mm wear scar
- Water resistance / rust prevention test
- Excellent / Pass
Summarized from the manufacturer's Technical Data Sheet (see the Technical Data tab above). The full data sheet is the authoritative reference.
Common questions about 327-1 Armor Plate Grease with Moly-D / NLGI #1
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What is 327-1 Armor Plate grease used for?
327-1 Armor Plate with Moly-D is the NLGI No. 1 grade of Primrose's green multipurpose moly grease, with a considerably softer consistency for applications such as excellent pumpability at subfreezing temperatures and automatic lubrication. It is recommended for heavy duty multipurpose applications including ball joints, king pins, wheel bearings, pillow blocks, fifth wheels, cranes and drag lines.
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What is the difference between 327-1 and 327-2 Armor Plate grease?
327-1 is softer than 327-2: both are grades of 327 Armor Plate with Moly-D multipurpose grease, but 327-1 is the considerably softer NLGI No. 1 (worked penetration 310-340) and 327-2 is the relatively heavy No. 2 (265-295). The TDS lists both grades as non-melt, with the same organo-clay thickener, 65 lb Timken OK load, 315 kg Four Ball weld load and excellent water resistance.
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Which 327 Armor Plate grade should I use in freezing weather or an auto lube system?
Use 327-1 Armor Plate (NLGI No. 1) when grease must pump at subfreezing temperatures or feed an automatic lube system, the applications the 327 TDS names for its softer No. 1 grade. Below freezing in general, Primrose recommends 327 in No. 2 or No. 1, and it recommends the heavier 327C (NLGI No. 3) for heavy duty construction and mining equipment above freezing.
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Does 327-1 Armor Plate grease melt at high temperatures?
No, 327-1 Armor Plate with Moly-D is a non-melt grease: it is made with a heat resistant organo-clay thickener instead of soap, and its TDS lists the dropping point (ASTM D2265) as none. Primrose lists it as a non-melt grease for very high temperature operation with excellent thermal stability.
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What is Moly-D in 327-1 Armor Plate grease?
Moly-D is the solubilized moly compound in 327-1 Armor Plate; it differs from black molysulfide (molybdenum disulfide), which is why the grease is rich green. Primrose reports that Moly-D outperformed molysulfide in side-by-side tests, and that in oxidation stability tests Armor Plate with Moly-D lasted 18 times as long as the same grease made with molysulfide.
