the PMI foam rim

what is the PMI foam rim , It is the material used in the aircraft, Our company as the first time to use this in the rim set.

Now in the carbon rim PMI foam family , You can have HP20-220, HP30-260, HP46-310, HP30-360, It has been cut to 20mm.30mm.46mm. 57mm depth.

The lightest rim weight is only 220g.