WEST SYSTEM 423 Graphite Powder is a fine black powder that can be mixed with epoxy to produce a low-friction exterior coating with increased scuff resistance and durability. Epoxy/graphite is commonly used as a bearing surface, and as a coating on rudders and centerboards, or on the bottoms of racing craft that are dry sailed. It does not provide antifouling qualities. The epoxy/graphite mixture can also be used in teak deck construction to simulate the look of traditional seams and to protect the epoxy from sunlight. Cures to a black color.
Add to mixed resin/hardener at the rate of up to 10% by volume (approximately 5.7 oz. per B group).
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I want to use the Graphite Powder but need to build up the material a little bit, 1/8 or less with 406 filler. Can I mix the two and apply on the second filler coat or would it be best to apply three coats, Graphite Powder last?
You can mix the powder and apply in the initial application. There will be some shrinkage due to the depth of area being filled.Mix must be accurate for best results. I hope this response helps.
I would call the west system folks for their recommendation!
I would mix the two. Lightly use the graphite then lastly graphite only
I would think you can go either way. if you are looking for the graphite to be your final coat underwater I would use the 207 hardener. only the 207 will keep it from fogging to a dull finish.
Thinking of using graphite filler on teak toe rail joint. Then varnish over it with epiphanies gloss varnish . Any issues with varnish over the graphite export?
Although not a direct answer to your question, I used it to fill knot holes in a maple counter top I built (because i wanted the color of the holes to be black). I slightly overfilled the holes and sanded. Then used 3 coats of Waterlox finish. Been in daily use now for almost 3 years with no problems.
I used West epoxy mixed with graphite for the finish coat of the sides and bottom of a wood/epoxy kayak. Worked great, but I'm not sure the varnish would stick very well to the graphite/epoxy mix.Apparently, the graphite inhibits UV degradation of the epoxy, so I don't see much point in coating it with anything.
I didn't try to varnish over the graphite export - I have used it for hotcoats on rails of epoxy surfboards. Unsanded, I suspect that it will behave the same as unsanded epoxy. The problem is that, when using epoxy and varnish, I have always sanded the epoxy prior to using the varnish (which works well). I am just not sure if sanding will expose graphite particles and, if so, whether the varnish will have problems sticking to the exposed graphite. You may want to try a section.
No issues. You should be fine. west system is a very stable product. Add graphite up to a point it stops sagging and stop. Any more than that and it seems to affect its density.
can this product be used on steel industrial parts for lubrication purposes?
It seems like it might work but I have no direct experience with that type of application.
have never used it for lube, it's graphite for sure, Bob
Good question ! Don't know, but I'll bet that the good, techie folks at WEST would have the answer.Roger
WEST System 423 Graphite Powder
I used it as pigment to go with the 5:1 TotalBoat epoxy (slow hardener) as a bottom paint for my sailboat. It mixed thoroughly and looks great! I used a tablespoon for every 5 pumps of resin and hardener.
I'm laying a teak and epoxy main deck on my boat build. This graphite powder mixed with West High Density filler makes for an excellent glue and gap filler in between the teak deck strips. The end result is a traditional looking teak deck with the durability and water tight capability that only epoxy provides.
We don't build boats. We use the epoxy to attach ebony overlays to musical instrument fingerboards. The black allows us to use ebony with wormholes that we previously had to reject. It works well.
Mountain View, AR
I used this to provide a friction resistant barrier coating between the wood shaft and glass blades on a paddle I built.