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Density of Kevlar 120/285

Density of Kevlar 120/285

Density of Kevlar 120/285

(OP)
Hi all, this is my first post.  I am looking for the density of Kevlar 120 and 285 using any resin system.  I called a few places (Fibercote, Cytec) but they have not returned my call.  Thanks for your help.

RE: Density of Kevlar 120/285

I believe the 120 and 285 designations refer to fabric styles.  The mass density of the basic fiber material varies for the different Kevlar types:

   Type     Density (X 103 kg m-3)
----------  ---------------------
Kevlar 149           1.47
Kevlar  49           1.44
Kevlar  29           1.44

If you need information regarding Kevlar fibers, you should go directly to DuPont's website for Kevlar:

http://www.kevlar.com

It doesn't have much information, but it has links to contact their customer service department.  They can answer your questions, even send you product data sheets.

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