RESINOUS MEMBER FOR VALVE

摘要

A lightweight resinous member for valves which not only has high strength and
is usable in a high-temperature atmosphere but also is excellent in chemical
resistance and corrosion resistance. The resinous member for valves is a
molded object formed from a molding material having a tensile strength at
ordinary temperature of 80 to 400 MPa. It may be a molded object formed from a
molding material having a tensile strength at 120~C of 75 to 350 MPa. It may
be a molded object formed from a molding material comprising: a resin
composition comprising an epoxy acrylate resin (A) having a hydroxy value of
60 to 100, a polyisocyanate compound (B), the amount of the compound (B) being
such that the number of isocyanate groups is 0.1 to 1.5 per hydroxy group of
the epoxy acrylate resin (A), a hardener (C), and an internal release agent
(D); and a fibrous reinforcement (E) incorporated in the resin composition in
an amount of 20 to 70% by mass.