Hi guys,

let talk about bodykit here. What is different between PU and Fiber? what is the cons and pro of PU and fiber bodykit?

Fiber is one time langar can say bb liao ! but PU is diffrent PU is Molded and when u langar is still can hit back !

PU is polyurethane
fibre is fibre

This post has been edited by the_catacombs: Sep 19 2008, 11:55 PM

Go for PU.. Fiber sucks

which one more expensive and quality?

but where can i take to hit back PU???

johnkor, stop misleading. PU cannot be repaired if it's broken.

lol he reversed it, on the repairing part.
Anyway, get the best material which is PP, Polypropylene if there is such option.

This post has been edited by awyongcarl: Sep 20 2008, 01:38 AM

oo .. so it means PU is better than fiber, isn't it?

Fiber is cheaper and can be repaired and customized. It got many different design too. . But I would prefer PU as it 'fits' nicely and can be installed by using the existing screw hole, no need to rivet like fiber.

i think PU is more stronger than fiber .. but you need to find a good paint for PU else the paint will peel off easily .. not like fibre..

If you want bodykit, go for PU.. last time I use fiber bodykit.. I'm scare of it.. Always crack especially the front lips.. And now I'm using PU bodykit.. Now don't worry about the lips crack while I worry is, bumper crack...

For long lasting, go for PU.. Or else, you will keep replacing the fiber lips it if crack...

How to recognize it's polyurethane or fiber?

Fiber is light while PU is heavier.. PU can be twist while fiber cannot.. The easier way is see the material. PU is look like rubber while Fiber is hard,

to color the bodykit, let say I give the color code to workshop, do they able to color bodykit exactly same as my car color?

Twist ? wao...

Usually the colour shop will take one small painted part of your car body to use as a reference. Normally the take out the fuel cover.

not really that kind of twisting you had in mind. PU is the material used to make your OEM front bumper, rear bumper and side skirts. Where it sorta 'elastic' where you can push or bend it a little. Whilst FRP or Fiber is strong and it is impossible to bend it a little. If you bend it too hard, it'll just breaks.

PU certain type but fiber many choice~
anybody need bodykit or more information can PM me~

The problem lies on undercoat, not paint. If they don't apply undercoat, paint will peel off no matter how good your paint is.

Thanks for your explanation:respect:

FRP and fiber izzit same thing ...??

FRP = reinforced fiber
Fibre = normal fiber

so when considering between FRP and PU which would be better?
whats the price difference between them? i know normal fiber is the cheapest.

how about the price range between PU and fiber.
Normally ppl will choose which type?

for best bang for the buck, get PU. Its elastic. Not easily broken. Unlike FRP.

but yeah, PU is expensive than FRP thou.

PU is obviously better.
Difference is a little.

They'll choose PU, for sure UNLESS they want to custom, then they've no choice.

what about ABS material?

ABS is higher grade than PU. ABS is soft and fragile.

the new car use abs material, am i right?

Original kit (such as MUGEN, Modulo, Toyota OEM kit, etc) uses ABS. Some of them (Spoon, J's Racing, ABT, etc) use FRP.

lol sei andy know so much

ABS is the stuff used to make OEM bumper, not PU... LOL.. I wouldn't buy a car using OEM PU made bumper.. must be a cheap sh1t car to use PU as OEM bumper..

for "beautification" purpose like sideskirts and "aero parts" either one should be fine, not as main load/impact bearing structure..

how can PU be stronger than FRP? LOL... there is a difference between "strength" and "flexibility".. both are different engineering qualities..

more details here... cheers.

http://en.wikipedia.org/wiki/Acrylonitrile_butadiene_styrene

http://en.wikipedia.org/wiki/Polyurethane

Last time I worked in bodykit shop before. So that's why I'm devoted into bodykits.

yeah, my mazda '8 kit uses ABS plastic, the advantages are that is dimensionally consistent per molded part while flexible enuf to withstand impact/scrapings over speedbumps/side kerbs (of coz the paint will gone case... ) ..
but the high pressure injection mould costs are high so mass production quantities are required to amortize the mould cost..

while FRP has very low mould costs but dimensions are not as accurate, depends alot on the guy preping the surface for final paint/finish...
and also, is more rigid hence, may "crack" under stress or being flexed. I guess it's lighter weight than plastics like ABS...

PU, that;s poor man's ABS replacement, more flexible than FRP (but not as strong as ABS) but the outcome will depend on on the mould's workmanship.. maybe decent looks or may be crap appearance...similar to FRP also, installer dependent quality..

juz my 2 cents cheers..

FRP is fibre reinforced plastic ler....

Are you guys absolutely positive that most of our cars OEM bumper are made of ABS?
I wouldn't think so, though.
AFAIK, most of our OEM bumper are made of PP, Polypropylene. I'm sure of this because mine is made of PP.

And a correction for Modulo kit for Honda, they are all made of PP, not el-cheapo ABS. I'm not sure bout Mugen and others though.

This post has been edited by awyongcarl: Sep 20 2008, 03:32 PM

Then it's original kit for proton wira?

---

Added on September 20, 2008, 3:29 pmThen it's any original kit for proton wira?


This post has been edited by cwd8769: Sep 20 2008, 03:29 PM

my iswara bumper is made of thick foam...

Sorry sorry.

Proton Wira original kit? Not really sure.

just forget fiber if can... bad experience with it. PU save a lot of money but initially it will cost more.

Better paint quality, go for PU.

PU and Fiber both also LPPL, sekali langgar mesti pecah.

aunty, ur kenari got put bodykit before meh??..

how about PP ?

what is the difference between PU and PP ?

now i using a FRP bodykit so far ok ..... easy to clean & light weight
PU or FRP also will crack right if bang so drive with more care la... should be ok ...

If i want to make a car fender, 4 side also i wanna make cause i want to "lighten" my car a bit, any idea how much will it be?? Also for car fender, it's better to use PU or Fiber?? Also any idea where can i find those people who can custom made my fender?? I'm looking at old vintage car.

use aluminium...

u think aluminium is cheaper or PU or fiber ah?? compare with this 3 material, which one can be easy to custom made and also cheaper?? also which is lighter ah?

no doubt fiberglass will be easiest and cheapest way.
But it's not durable..It cracks easily.

ur cracks meaning under the hot sun for a long time, it will just crack or what?? i noob at this kind of stuff. but i wanna do some custom fendar to make my car more light.

aluminium will be cheaper than carbon fibre...

what about fiber glass?

fiber n fiber glass the same ah??

Well it could crack if the sun is too hot I guess? I'm not very sure about heat resisting of fiberglass.
But my crack means it can't withstand impacts. Like if you are washing your car, even if you pushed it too hard accidentally, it might crack lol.

Aluminum is a better choice but I have no idea where can we get it done.

Yeap, fiberglass is actually the formal name.

This post has been edited by awyongcarl: Sep 24 2008, 03:15 PM

but which is more better to make car fender?? aluminium or PU or fiber wor??

Cracked because of the heat of the sun AND the engine. If your bodykit is white, it will look damn ugly because it will turn yellowish and when see from near, those "yellow veins" can be seen easily. At this stage, the bodykit will become like kueh-ka-pek liao. Not to mention fiberglass is carcinogenic.

If you're not changing bodykits every single month, I suggest you take other alternatives suggested by others such as aluminium and if you can afford it: Carbon fiber.

If i not mistaken, i heard that Fiber can mix with PU right?? So it will be hard a bit yet a bit more impact resistant huh?? Any idea how much will it cost to make a fender using aluminum also where to find those ppl to make it huh??

Depends on you -.-
You said you want light weight, go for fiberglass then, as its very thin so it beats PU or alu without doubt.
Get fiberglass also not bad lah

Buy some carbon fiber sticker and you save the money for painting

Never heard of that..You might want to try your luck at those custom bodykit shop?

This post has been edited by awyongcarl: Sep 24 2008, 03:19 PM

ehm.. got a fiber glass buddyclub bumper for sale;

very tempted

but scared the material kaput in KL road condition

Fiber and Fiber glass is not the same ah?

i tink its the same

This post has been edited by moon*: Sep 24 2008, 03:20 PM

around sunway area got custom bodykit shop rite?? Any recommendations?

Indeed.
But fender..I doubt the engine heat will be able to crack it..Well, gotta look what car is that though, because not all car fender is very near to engine, for example Civic FD2..
the Honda racing team I've worked for in sepang, their FD2R's fender is made of fiber -__-

Not from sunway area..so can't help you with this.

This post has been edited by awyongcarl: Sep 24 2008, 03:23 PM

Which area are you from?? KL or PJ?? Both works well for me..

Actually none lol
I have never really done any fiberglass to my car so I don't really know, and to be frank I'm kinda new with cars.

If you are looking for fiberglass custom job, any fiberglass fabricator should be fine as it's really easy to fabricate it.

they use hand or machine to fabricate huh??

Machine. I've mentioned earlier, fiberglass is carcinogenic.

dunno wat is carcinogenic means ma..so if i wanna make a fiberglass fender, i got to take out my current fender to let them do the carcinogenic thingy?? what if i wan to extend the fender out a little bit?? wider fender..

I think it should be fine, cause AFAIK, fiberglass can be molded into any shape.
But in any case, I suggest you to ask at the shop.
You can get a precise answer from them.

This post has been edited by awyongcarl: Sep 24 2008, 03:45 PM

carcinogenic= cancer causing agent.

who AFAIK?? i saw this everywhere..

I don't really like to ask shop question..cause 1st, they are busy..2nd they only do what you ask them to do but if there is any pro or cons, they won't tell you..3rd if i ask already, but the price they charge me very expensive, it's kind of wasting their time on me only..

So better ask ppl over here..better lor..

AFAIK = As Far As I Know

Well the asking part I'm talkin about is how you want your fender be molded. (You said you want it wider)

oh..i see..ok..i will check it out at sunway..there got 1 custom fiber shop i think..ppl there seems to be a bit LCLY/Show off/Busy to talk to you all the time...

who so clever come out with those AFAIK ah..any thread where i can learn all this short form ah??

PU test~



This post has been edited by jack&jill: Sep 29 2008, 10:19 AM

hehe PU is flexible;; but the after paint job compared to fiber material is alot of difference.

Especially after like few months.

u will see the fiber material still very nice; but PU; the paint will some how.. be effected.

i know cos i have partially a bit of both bodykit material. same paint job too

umm..pu can mix with fiberglass??

any experts knows about PP ?

PP?..

could it be PU mix fiberglass then come out PP ah??

never hear b4 ~

PP = Polypropylene which I mentioned a lot of times at the front pages for goodness sake =.=

And NO, PU+FIBER doesn't give you PP.

PU fiber basically means it's still made of fiber. They apply a PU coating onto fiber so that it's more durable. That's all.

Who so Dumb Paint bodykit dont apply Undercoat ?

Original bodykits + paintjob is the best.

Fiber or PU or other material + paintjob will look gh3y after 1 or 2 years.

Just avoid Fiber material eventhough is the cheapest out there, WYPIWYG.

oh..i see..now i understand..so there is such thing as fiber can mix/apply pu on it lar..kk

To paint a PU bodykit, you need to apply undercoat (PU primer), or else the paint will eventually peel by itself. Those who don't apply undercoat, either they're lazy or cut cost (trying to earn more).

It's just a coating (layer) applied on fiber.

This post has been edited by andyjyneo: Oct 2 2008, 03:51 PM

with this method..the bodykit will last longer rite??even due to extream heat causes by direct sun light??

Not last longer. To be more exact, it's more durable.

ok..so from a direct sunlight..it's much more durable rite?? won't crack or what so ever happend rite?? so if after applying those pu coat on the fiber..we still able to paint the whole body kit and also won't have any problem with those paint falling out?? (noob at this part)

Well..
for those who like to play styling..then go for fibre..
if those wan for standart..then PU..

I mostly go fibre cz of styling...
fibre can design watever u wan but PU...cant..

Fibre Crack,can repair even ur bumper broke in half part..
PU Broken,cant repair...

Fibre Easily Crack depends how they make..

Those Fibre BUmper from Accessories they mostly use a few FIBRE CLOTH...

Then For The Custom...Mostly whole bumper applied with FIBRE CLOTH ALL AROUND..For The Thick then Apply 2 Fibre Cloth then wont be easily crack.. ^^

Can I know how much is "PU primer" cost ? So that next time i can argue with paint shop's boss.

agreed...

No, what I mean is if you knock into something.

Around RM80 per tin (around 800ml).