Title:
ROOF MATERIAL
Document Type and Number:
Japanese Patent JP2011063943
Kind Code:
A
Abstract:
To provide a roof material having superior flame propagation prevention performance, so-called flame leaping resistance.
This roof material includes a base layer comprising a composition having a polycarbonate resin (A) of 100 pts.mass, an inorganic compound (B) of 10-30 pts.mass, and a silicone flame-retardant (C) of 0.01-5 pts.mass, and a surface layer which comprises a compound having an inorganic compound (D) of 60-90 mass% and a thermoplastic resin (E) of 10-40 mass% and which is provided to at least one surface of the base layer.
Inventors:
NAGAMATSU KENICHI
Application Number:
JP2009213192A
Publication Date:
March 31, 2011
Filing Date:
September 15, 2009
Export Citation:
Assignee:
MITSUBISHI PLASTICS INC
International Classes:
E04D3/35; E04D1/20
Attorney, Agent or Firm:
Tamotsu Otani
Masamichi Tohei
Makoto Kataoka
Kenichi Hirasawa
Masamichi Tohei
Makoto Kataoka
Kenichi Hirasawa
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