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Micarta: What is it?

Joined
Oct 26, 2001
Messages
1,438
Ok, I just did a search for Micarta, and came up with tons of info on knives which have Micarta handles, who uses it etc... What I want to know is what exactly is it?, and what are the differences between the types, e.g. Linen, Cotton etc... From looking at my one knife which has a Micarta handle, it appears to be some form of laminate made up of shredded blue jean material, pressed together and chemically bonded. Is this what it is or am I way off? Thanks.
Lagarto
 
Micarta glass laminates are a combination of glass cloth and epoxy. They possess exceptional electrical and mechanical properties, while also being highly resistant to moisture and heat. Micarta glass laminates are extremely strong and have very high impact resistance.
This link im providing should answer all you need to know.:) Hope it helps. Mike
http://www.piedmontplastics.com/linksframe.asp?XLINK=http://www.micarta.com/
When you go to this link click on the tech data to the left.
 
Mike,
Thanks for the link, that was everything I wanted to know and then some. Cool.
Lagarto
 
here's a low-tech summary

Micarta is indeed a laminate. The main varieties of Micarta are paper, linen, and canvas. The linen variety isn't in fact linen, but it is some kind of cloth. You take a base layer (paper,cloth, wood, etch.), add some epoxy, add another layer, more epoxy, another layer, etc. Add heat and pressure, and BAM! Micarta!

paper micarta produces the smoothest finish, as it has the finest "grain" of the base material used. The canvas micarta, because of the coarseness of the base, produces a rougher finish that is great for harder use blades. Well, handles actually! :)

The holy grail of Micarta is rag micarta. The lay folk will tell you that rag micarta is a jumble of cloth all pressed in together, not so much in an alternatng layer but just all jumbled together, wpoxy and all, pressed and heated. But those of us in the know will tell you that Zeus has a rag micarta blank forged up on Mount Olympus. Cupid then flies around ral fast with the rag micarta blank to heat it up. When hot enough, Cupid drops the blank into Jesus' hands. Jesus then gets Mother Mary to kiss the blank, quenching the block. Buddha will then sit ont he blank for three days while meditating. This has two effects. First, the ehat and preessure of Buddha sitting on the blank tempers the rag micarta. Second, the Buddha's meditation infuses the mag micarta with mojo.
 
Crayola,
So basically what you're saying is that rag Micarta is essentially fromunda Micarta, similar to fromunda cheese. That being the case I think I'll stay away from it:). Seriously, thanks for the dumbed down version, Mike's link was great, but it's also in tech speak.
Lagarto
 
lagarto,

I've never heard of that cheese! But here's a bit more about rag micarta. Of all the micartas, I hear that it is the most brittle. Makes sense, as it isn't alternating layers of glue and base material. But it is wild stuff to look at. Also, since it isn't being made anymore, if you ever come across a piece make sure you buy it. No matter how brittle it may be, rag micarta still makes a damned good handle material, and a rare one at that.

I got a bit mixed up I think in what is used to make micarta. If I am thinking learly now, generally speaking, Micarta is a phenoloc resin and a base (cloth/paper/wood), while g-10 is a glass material and epoxy. Simply put, this stuff is just glue and a base material! Add heat and pressure and presto!

Personally, I prefer micarta over g-10. I think the lamination is much more apparent in micarta, giving it way more character than g-10. I still like g-10 a lot and have used it on a couple of knives that I've made. I just think that Micarta is tough as nails and gorgeous too- good combination!
 
I'm with Crayola, micarta is fantastic for handle materials. I think Blade magazine did a survey once and micarta was voted as the preferred handle material by a large margin (next was stag, I think). The canvas version isn't the prettiest but feels good to grip dry, wet, even oiled. But for a more aggressive hard texture, I'd go with G-10.
 
A lot of good info above. Micarta IS phenolic resin that impregnates a number of different fibers and is molded under heat and pressure. It's a fine handle matrial, although not in the league of G10 (glass/epoxy) nor CF (carbon fiber/epoxy) The latter two are stronger, more durable and a lot more moisture resistant.

But micarta looks sexy and beats the hell out of a lot of other synthetic handle materials.
 
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