Composite Envisions Hexcel IM2

Has anyone here used the company composite envisions and/or used their Hexcel IM2 unidirectional fabric before? Is it good quality? The price seems a little suspicious to me.

https://compositeenvisions.com/carb...-directional-hexcel-im2-intermediate-modulus/

Thanks!

I’ve used them a couple of times. Last order was for some spread tow carbon fiber cloth. No issues at all...good experience.

The cloth you’re looking at is unidirectional, not a woven cf cloth. Plus the default, cheap price is for 3” wide....check price on the 50” wide.

The cloth for this project came from them.

OKTurbo said:

I’ve used them a couple of times. Last order was for some spread tow carbon fiber cloth. No issues at all...good experience.

The cloth you’re looking at is unidirectional, not a woven cf cloth. Plus the default, cheap price is for 3” wide....check price on the 50” wide.

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OKTurbo said:

The cloth for this project came from them.
View attachment 390060

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Thanks guys! I want the unidirectional for minimum diameter rockets.
I am going to use this plate for the base shape: https://www.rockwestcomposites.com/...-fiber-plate/carbon-fiber-uni-plate/103-group

or this: https://www.clearwatercomposites.com/product/1-16-carbon-fiber-plate

Not sure which yet.

then laminate with 4 consecutively larger layers of the Uni fabric oriented horizontally. The base uni plate will provide stability against rotation on the fin, then the uni laminate stiffens it horizontally against flutter.

I am expecting about Mach 2.7 after lamination. Lamination will be done with cotronics 4460

why do you think i suspicious? its cheap fiber for a reasonable price. Unless you have a design that was based an the actual properties it doesn't really matter.

flynfrog said:

why do you think i suspicious? its cheap fiber for a reasonable price. Unless you have a design that was based an the actual properties it doesn't really matter.

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This would be for extreme minimum diameter flights, so I want good quality fiber.