Piping material

Details Piping material Piping material

2005-02-01

2005-02-01

Pezzuto, Helen L. (Department: 1713)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C525S333300, C525S391000, C525S905000

Reexamination Certificate

active

06849695

ABSTRACT:
A resin composite covered piping material is provided having high heat resistance and excellent flame retardation property, anti-corrosion property, chemical resistance, insulation property and sufficiently high adhesion property with steel material and moreover, is highly economical.The piping material having a covering layer of a resin composite wherein said resin composite comprises:(A) 10 to 80 weight percent of polyphenylene ether resin,(B) 10 to 80 weight percent of polystyrene polymer possessing syndiotactic structure, and(C) 10 to 80 weight percent of polystyrene resin other than component (B) wherein the total of (A), (B) and (C) is 100 weight percent.The resin composite described above may further contain an impact resistance improving agent (D) in a quantity of 1 to 50 parts by weight, with respect to the total of 100 parts by weight of components (A), (B) and (C).

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