They are definitely injection molded as anyone who has seen the 
backside of them and is in any way familiar with plastic molding can 
tell you. And whether or not they are universally made of the same 
material or not I don't know, but I've never had any trouble getting 
fiberglass to stick to mine.

Jim

On Dec 25, 2005, at 10:07 PM, George Goff wrote:

> -----Original Message-----
> From: Max Wellhouse <maxjoyce@IPA.NET>
> To: vanagon@GERRY.VANAGON.COM
> Sent: Sun, 25 Dec 2005 19:57:07 -0600
> Subject: Re: bumper repair was Re: tube bumpers
>
> there's no telling what sort of crap�
> resin system VW used on those FG bumpers. It looks like a chopper�
> gun operation to me.�
> �
> DM&FS
> -----------------------------
>
>  I'd hardy call those bumpers crap; in my experience, they are pretty 
> damn tough.  Also, they appear to be pressure molded, not sprayed into 
> a low tech mold perched on saw horses in the back of someone's garage.
>
> George �
>  �
>