Roof Module
2003 Smart Roadster




Nominee Number: 26 Result: WINNER
Category: Body Exterior Description: Smart Roadster Roof Module
OEM: Smart Model: Roadster
Model Year: 2003 System Supplier: Arvin Meritor
System Contact: Peter Doerries System Phone: 313-551-2508
Model/Processor: - Molder Contact: -
Molder Phone: - Toolmaker: -
Tool Contact: - Tool Phone: -
Material Supplier: GE Plastics Material Contact: V. Umamaheswaran
Material Phone: 248-351-8433 Generic Resin Type: PC Copolymer
Resin Trade Name: Lexan Grade: SLX
OEM Engineer: Steffen Hans OEM Title: Exterior Systems
OEM Phone: 49 70319074918 Name of Nominee: V. Umamaheswaren
Nominee's Company: GE Plastics Nominee's Address: 25900 Telegraph Road
Southfield, MI 48034
Nominee's Phone: 248-351-8433 Nominee's Fax: 248-351-8453
Nominee's Email: u.v@gep.ge.com    
Summary: A 10-year weatherable, Class A, no-paint surface roof module produced using a polycarbonate copolymer film.  Weight savings >50% vs. a painted steel roof system.    
Most Innovative Feature: 10-year weatherable, Class A, No-paint surface finish on a horizontal body panel
Other Innovative Features: Gloss and gloss retention, Distinctiveness of Image, chemical resistance, scratch resistance, ease of repair and excellent processability.
What Forming Process? Thermoforming, In-Mold-Decoration (IMD) PU-LFI RIM
First Time Process Used: Yes.
Previous Process: Replaced painted metal for roof panel.
Tooling Innovations: Class-A Thermoforming tool for the first time.
New Material Developments: New LEXAN SLX film developed to provide a true 10-year paint replacement meeting Global OEM requirements.
Weight Savings: Over 50% weight savings as compared to a painted steel roof system.
Cost Savings: N/A
Cost Avoidance: Investment avoidance for a new paint line at the tier of approximately $30MM.
Direct Consumer Benefit: A lightweight targa top roof that can be easily removed and stored by vehicle owner without compromising on styling and appearance.
Translates to Other Vehicles?: Yes. Several under development.
Safety Benefits: N/A.
Environmental Benefits: Eliminates the need to paint and hence all VOCs, and waste disposal associated with paint is avoided.
Additional Comments: First film technology that is capable of meeting stringent OEM needs for a full-vehicle paint elimination solution. Film will meet the needs for vertical and horizontal body panels as well as all other components where a superior surface finish is desired.