Results 1 to 31 of 31

Thread: Kydex

  1. #1
    StewartB
    Guest

    Kydex

    I know what it is and where to get it. What I'd like is some feedback from anyone that's used it. I'm still considering it for my 12's interior, or at least parts of it. It's readily available here in .028, .040, and .060 thickness.
    SB

  2. #2
    Dave Calkins's Avatar
    Join Date
    Jul 2002
    Location
    Anchorage, Alaska
    Posts
    5,501
    Post Thanks / Like
    It's tough. It cleans-up nicely with 409 or whatever you have. It can be bent in a bending break and cut on a shear. It has an attractive texture on one side, and an attractive smooth-almost shiny other side. I've used it in Beavers for nearly every piece of the interior installation.

    It's weak point is the weight, which "light" it ain't, even in the .028" thickness.

    Though probably not much heavier than an aluminum Cub interior, and the Kydex won't need any paint on it that will scratch off, etc., but heavier, nonetheless.

    I've seen fibreglass sheet used as interior panels on a -14 and would rather have Kydex than the fiberglass.

    Good Luck.

    My opinion is that Kydex would make a great Cub interior if you don't mind the extra several (???) pounds over an aluminum interior.

    DMC

  3. #3
    StewartB
    Guest
    Dave,
    I've got a fiberglass interior in the Cessna, and after a few seasons it looks beat-up. (Scrapes, gouges, etc.) That's my concern with aluminum. Kydex will look good for longer. I'm investigating the weight. I'll post the answer when I get it.
    SB

  4. #4
    Steve Pierce's Avatar
    Join Date
    Mar 2002
    Location
    Graham, TX
    Posts
    20,724
    Post Thanks / Like
    What is Kydex?
    Steve Pierce

    Everybody is ignorant, only on different subjects.
    Will Rogers

  5. #5
    Dave Calkins's Avatar
    Join Date
    Jul 2002
    Location
    Anchorage, Alaska
    Posts
    5,501
    Post Thanks / Like
    StewartB, Yeah, the fiberglass sheet looks nice when new, too.

    I have one customer with the molded-fiberglass Cessna interior and I'm not a fan of the thing. It DOES tend to chip, etc., and if you have to put a hole in it for a seat attach point, etc. the chipping is even worse. I'd prefer even the Cessna OE interior to that new glass stuff. Kinze's interiors are definitely decent, thicker, tougher, yet a bunch of work to grind, fit, etc. . Everything's a compromise, EH???

    Steve, Kydex is a plastic sheet available in numerous colors and thicknesses. It is probably a poly-ethylene plastic (anyone know for sure?). It takes a bend from a bending break and is quite tough and flexible. I haven't bought a sheet in maybe 6 years and don't remember the cost. One side is lightly textured, the other semi-glossy. I've always installed it texture-out.

    DMC.
    --------

    Prayed for snow, and it worked!!!!!

  6. #6
    StewartB
    Guest
    Steve,
    Kydex is a blend of vinyl and acrylic. It comes in an FAA approved (flame tested) grade, which shears on sheet metal shears, and can be broken or heat formed. It's what the plastic interior parts in an airliner are made of. The .028 has a leather grained face. I have some samples of different colors and thicknesses, and I'm considering it for the headliner and side panels of my 12. I'm not sold on it, but I am definitely considering it. Kydex won't dent or have paint scrapes. The weight issue remains to be answered.
    SB

  7. #7
    Steve Pierce's Avatar
    Join Date
    Mar 2002
    Location
    Graham, TX
    Posts
    20,724
    Post Thanks / Like
    Where do you get it?
    Steve Pierce

    Everybody is ignorant, only on different subjects.
    Will Rogers
    Thanks Bluebear thanked for this post

  8. #8
    Ursa Major's Avatar
    Join Date
    Oct 2002
    Location
    Coeur d'Alene, Idaho
    Posts
    1,078
    Post Thanks / Like
    As Stewart mentioned, Kydex can be heat formed. I've used it to build custom knife sheaths and tactical holsters. It forms fairly easily with heat, but it is nearly impossible to glue.

    There is one outfit (I can't remember which one) which sells an adhesive for it, but it is horribly expensive (something like $75 per 1/2 oz). Admittedly, you probably wont need to glue it in an aviation application, but you might want to attach upholstery or cloth to it after it gets scratched. Most people I know use rivets to join it. As Dave said it is also fairly heavy.

  9. #9
    PA12driver's Avatar
    Join Date
    Feb 2002
    Location
    Battle Ground, WA
    Posts
    1,460
    Post Thanks / Like
    here is their website; http://www.kydex.com/us/

    Sounds like good stuff, I am going to see if there is a local distributor

    Tim

    one distributor: http://k-mac-plastics.net/flame-reta...ydex-sheet.htm

  10. #10

    Join Date
    Jul 2003
    Posts
    14
    Post Thanks / Like

    KYDEX

    RE:THIS KYDEX PRODUCT-WHAT GRADE IS THE ONE TO USE-ACCORDING TO KYDEX WEB SITE THERE ARE OVER 24 DIFFERENT GRADES

  11. #11
    StewartB
    Guest
    Some very interesting weight information, especially knowing most guys think Kydex is heavy.

    .016 alclad aluminum- .23# per square foot
    .020 alclad aluminum- .29#

    .028 Kydex- .197#
    .040 Kydex- .281#

    Aluminum weight per Hadco Aluminum's website.
    Kydex weight per Kleerdex Corp. customer service (phone).
    Kleerdex is the manufacturer of Kydex.
    SB

    D Cub Nut- Kydex 6565. Look at the Kydex site/sheet products/applications/aircraft interiors.

  12. #12
    Crash's Avatar
    Join Date
    Apr 2002
    Location
    Nikiski Alaska
    Posts
    2,695
    Post Thanks / Like

    Kydex

    Stuart, I also considered the Kydex for my PA-18 I am building up now. I went to CAS Plastics in Wasilla and looked at some samples to see how rigid and heavy it was, compared to aluminum. I felt the the .028 was too flexable and needed to go to the .040 so it wouldn't oil can. The .040 seemed heavy when picking it up compared to .016 aluminum. I didn't have a scale with me to compare the actual weight. In the end I went with .016 aluminum and had it powder coated in a gray hammer metal finish that wears well, cleans up easily and looks good. My 2 cents. Crash

  13. #13

    Join Date
    Jan 2003
    Location
    nd
    Posts
    3,722
    Post Thanks / Like

    kydex

    of the interiors ive seen, what catches my eye is the ones that have used .020 aluminum covered with duponts cordura, thin, fairly light and looks nice, wears well. the only thing i always forget to ask is what there gluing the cordura to the aluminum with? it comes in different shades of yellows,reds,blacks, pretty much any color.

  14. #14

    Join Date
    Aug 2002
    Posts
    277
    Post Thanks / Like
    I've used Kydex for various thermoformed parts with good results.
    Kydex is half the weight of aluminum:
    Specific gravity of aluminum is 2.70
    vs. 1.35 (color dependent) for Kydex.
    Mark

  15. #15
    Speedo's Avatar
    Join Date
    Jul 2002
    Location
    TN
    Posts
    1,783
    Post Thanks / Like
    Does anyone know the combustion properties of Kydex? In a fire, would it behave like polyester or polystyrene?
    Speedo

  16. #16
    StewartB
    Guest
    The simple answer is that it's self-extinguishing, similar to PVC. It will disintegrate in a fire, but won't support combustion when the flame source is removed.
    SB

  17. #17
    Dave Calkins's Avatar
    Join Date
    Jul 2002
    Location
    Anchorage, Alaska
    Posts
    5,501
    Post Thanks / Like
    I stand corrected on the weight of the kydex product...and gladly so.

    DMC

  18. #18
    StewartB
    Guest
    I played with some .040 on a break today. Very nice stuff to work with. I figure the weight penalty of .040 Kydex versus .016 aluminum with powder coat will be about 4 pounds. I'm going with the Kydex. I recognize that I'm not a very patient airplane loader. Dent resistance is a good thing. I'll just have to shave 4 pounds off the pilot.
    SB

  19. #19
    sekps's Avatar
    Join Date
    Jan 2002
    Location
    Lund, Sweden
    Posts
    314
    Post Thanks / Like
    Let's see if I can wake up this thread too...

    Are there other alternatives than Kydex (except alu and fiberglass)?

    Kydex is not very common here in Sweden but I like the "cut and fit" idea. I have found other textured plastic materials here - but they have been flammable, to say the least...

    I will replace the old naugahyde-wrapped alu panels so everything will be lighter than that...

    /Mattias

  20. #20

    Join Date
    Sep 2002
    Posts
    1,621
    Post Thanks / Like
    I'm having trouble finding a source for Kydex in the Memphis area.
    I'm only doing two planes andI don't really want to order a whole case of 80 4x8 sheets. Any suggestions?
    JimC

  21. #21
    Steve Pierce's Avatar
    Join Date
    Mar 2002
    Location
    Graham, TX
    Posts
    20,724
    Post Thanks / Like
    Aircraft Spruce lists ABS plastic sheet that meets FAR 25.853 burn requirements, smooth one side, texture the other. It is .063" x 23.5" x 54" for $29.95.
    Steve Pierce

    Everybody is ignorant, only on different subjects.
    Will Rogers

  22. #22
    StewartB
    Guest
    Jim,
    Here is a link to the manufacturer. Ask their customer service reps for a stocking distributor in your area. They were very helpful for me when I called with questions.
    http://www.kydex.com/
    SB

  23. #23

    Join Date
    Sep 2002
    Posts
    1,621
    Post Thanks / Like
    Thanks, Stewart.
    For 6185, there is a minimum order from the manufacturer of 90 4x8 sheets. However, 0.028 'T' is available from Norrel Plastics in Memphis in single sheet orders at about $50/sheet (half that of the link given earlier in this thread). Does anybody know if the thermal deformation characteristics of 'T' are good enough? 'T' deforms at about 30 degrees less than 6185.

    JimC

  24. #24

    Join Date
    Apr 2020
    Posts
    8
    Post Thanks / Like
    Quote Originally Posted by StewartB View Post
    The simple answer is that it's self-extinguishing, similar to PVC. It will disintegrate in a fire, but won't support combustion when the flame source is removed.
    SB
    That is correct. Either would work fine, though Kydex is a bit more resilient.

  25. #25
    behindpropellers's Avatar
    Join Date
    Feb 2003
    Location
    NE Ohio
    Posts
    6,905
    Post Thanks / Like
    Quote Originally Posted by JimC View Post
    Thanks, Stewart.
    For 6185, there is a minimum order from the manufacturer of 90 4x8 sheets. However, 0.028 'T' is available from Norrel Plastics in Memphis in single sheet orders at about $50/sheet (half that of the link given earlier in this thread). Does anybody know if the thermal deformation characteristics of 'T' are good enough? 'T' deforms at about 30 degrees less than 6185.

    JimC
    T is FAR rated. I forget the number. Piedmont plastics is ~$35 per sheet for .028 white.

    Tim

  26. #26
    Crash, Jr.'s Avatar
    Join Date
    May 2015
    Location
    Anchorage, AK
    Posts
    529
    Post Thanks / Like
    17 years might be a record for bringing back the oldest topic on this forum. Well done!
    Likes moneyburner, Dave Calkins liked this post

  27. #27
    behindpropellers's Avatar
    Join Date
    Feb 2003
    Location
    NE Ohio
    Posts
    6,905
    Post Thanks / Like
    Quote Originally Posted by Crash, Jr. View Post
    17 years might be a record for bringing back the oldest topic on this forum. Well done!
    Hah. I didn't look at the date.
    Likes Crash, Jr. liked this post

  28. #28
    Dave Calkins's Avatar
    Join Date
    Jul 2002
    Location
    Anchorage, Alaska
    Posts
    5,501
    Post Thanks / Like
    Tim. I dont think I can believe your pricing of 35$ for a 4x8 sheet of .028. Even if that was the 2003 price.

    Also. as Crash Senior pointed out back then. .028 Kydex doesnt have the stiffness I would want. So you have to go thicker,and heavier.

    My latest interior is .020 2024T3 Alu. fabricating it now. 4x12 sheet around 200$

    I bet you miss your Dad when reading this old stuff Gabe?

  29. #29
    Crash, Jr.'s Avatar
    Join Date
    May 2015
    Location
    Anchorage, AK
    Posts
    529
    Post Thanks / Like
    Yeah, it's always been kind of a trip running across his old posts when I search for various things. He would probably love seeing my brother and I properly getting into flying.

    BTW that interior still looks just as good as the day it was installed. If you're going to do a hard surface interior he was right, .016 aluminum is the way to go. Maybe .020 if you're hard on your interior. Still got a full sheet of .016 in the hangar in Nikiski waiting to be used to complete Dad's last cub build. Might need to post some about that plane when I get around to working on it seriously.

  30. #30
    RVBottomly's Avatar
    Join Date
    Sep 2017
    Location
    Asotin County Washington (KLWS)
    Posts
    1,055
    Post Thanks / Like
    Quote Originally Posted by Dave Calkins View Post
    Tim. I dont think I can believe your pricing of 35$ for a 4x8 sheet of .028. Even if that was the 2003 price.
    Just looked. $40 for a 2X4 sheet of .028.

    https://www.piedmontplastics.com/products/kydex

  31. #31
    behindpropellers's Avatar
    Join Date
    Feb 2003
    Location
    NE Ohio
    Posts
    6,905
    Post Thanks / Like
    Quote Originally Posted by Dave Calkins View Post
    Tim. I dont think I can believe your pricing of 35$ for a 4x8 sheet of .028. Even if that was the 2003 price.

    Also. as Crash Senior pointed out back then. .028 Kydex doesnt have the stiffness I would want. So you have to go thicker,and heavier.

    My latest interior is .020 2024T3 Alu. fabricating it now. 4x12 sheet around 200$

    I bet you miss your Dad when reading this old stuff Gabe?
    Hi Dave,

    $33.86 for .028 and $53.75 for .040.

    This is for a headliner for my 206.

    Crash left us way too early.

    Tim
    Likes jrussl liked this post

Similar Threads

  1. Kydex
    By spinner2 in forum Products, Purchases, Reviews & Prices
    Replies: 61
    Last Post: 03-02-2010, 02:57 AM
  2. Kydex
    By Skip in forum Member to Member
    Replies: 3
    Last Post: 05-04-2008, 08:17 PM

Bookmarks

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •