In one embodiment, a multiwall sheet comprises a first sheet comprising an inner surface and an outer surface, a second sheet comprising a first surface and a second surface; and a rib disposed between the inner surface and the first surface. The outer surface can have surface features and has a surface area of greater than or equal to 140% of a planar, flat, non- profiled surface area for a same unit area.

Title
A multiwall sheet, an article, a method of making a multiwall sheet
Application Number
PCT/IB/2009/054929
Publication Number
2010/061310
Application Date
November 5, 2009
Publication Date
June 3, 2010
Inventor
THIAGARAJAN CHINNIAH
Assignee
SABIC INNOVATIVE PLASTICS IP
IPC
E06B 03/67
E04C 02/54
E04C 02/34
E04C 02/32
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