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  Marelube Anti-Corrosion Gel

Marelube Anti-Corrosion Gel

Marelube is a PTFE* based gel that is applied primarily to reduce galvanic corrosion between metal parts. It is designed specifically for high load/extreme pressure anti corrosion, anti seize, and bi-metal barrier applications. It is a completely waterproof, tenacious, synthetic grease containing 45% PTFE sub-micron size powder. We recommend using Marelube wherever any two metal parts are installed in contact with one another. This includes all nuts, bolts, electrical connections, and machine screws as well as mounted hardware.

By applying anti-corrosion gel, you will significantly reduce galvanic corrosion, making future servicing far easier and, ultimately, less expensive. Less corrosion means that parts won't weld themselves together.

This product also prevents galling of stainless steel. This long-lasting friction barrier, with no volatile solvents, silicones or petroleum to evaporate, will not cold flow or dry out. This protection lasts for years until the hardware is dissembled, preventing seizing and galling.

Marelube should be applied anytime you dis-assemble then re-assemble any metal-on-metal parts (including screws, clevis pins, etc). Even similar metals should be protected. For example, mounting an aluminum casting to an aluminum extrusion should include Marelube. Though both parts are made from aluminum, the specific alloys are different and thus the two pieces have a different electrical potential, making them susceptible to galvanic corrosion. 

As you can see in this close-up photo of a Catalina 27 masthead, the clevis pins have welded themselves into place from galvanic corrosion. The bond was so tight, that even after great effort was made to separate them, the casting broke before the pins would release. A simple job taking a few extra seconds to apply anti-corrosion gel would have saved several hours of effort and saved this masthead casting from failure.  

If you have any questions about corrosion and additional steps you can take to prevent it, feel free to call our tech support line for further assistance.

 

Many examples of the types of parts where Marelube should be used are shown below.

 

 



Products
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Spreader Extrusion Only C-250

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MareLube TEF 45, 30cc Syringe

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Masthead CP-18, CP-22

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Boom End Casting Only CP-22, CP-25, C-250, Late Model C-27

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Gooseneck Casting W/Swivel Eye Only CP-22, C-250, CP-26, Late C-27

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Spreader Assy CP-22 MkII

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Boom End Casting

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Gooseneck Casting Only

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Masthead Complete - Flat Mast C-22

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Masthead Casting - Oval Mast C-22

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Spinnaker Crane C-22

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Gooseneck Bracket, C-28 Air Foil Mast, 1/2" Pin

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Gooseneck Bracket, C-28 Flat Sided Mast, 1/2" Pin

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Gooseneck Bracket, C-28 Flat Sided Mast, 3/8" Pin

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Spreader Bracket CP-22

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Boom End Casting, C-25, C-27

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C-25 & C-27 Mast Compression Tube Small

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Fixed Gooseneck C-25

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Gooseneck Casting Only C-25, C-27

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Gooseneck Complete with Slide C-25

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Spreader Bracket Retrofit C-25, C-27

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Masthead Complete Standard Rig C-25, C-250

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Masthead Complete Tall Rig C-25

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Spinnaker Crane, C-25 Std Rig, C-250, C-27, C-28

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Masthead for CP-26, C-270, Early Tall Rig C-250

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Spreader End Cap & Keeper C-250

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Gooseneck Casting C-270

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Boom End Casting C-28, C-30, C-34, & C-36

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Gooseneck Bracket, C-28 Air Foil Mast, 3/8" Pin

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Gooseneck Casting Assy C-28, C-30, C-34, C-36

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Masthead for C-28 MkII
w/ Air Foil Mast


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Spreader Bracket Set for C-28 mk II

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C-30 Spreader Bracket Set

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Masthead Casting C-30

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Spinnaker Crane C-30

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Gooseneck Assembly
C-34 and C-36


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Spreader Kits, Lowers C-42 <- 98

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Spreader Tube Only C-27

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Masthead Casting Only C-30