ASTM D6041 - 11 Standard Specification for Contact-Molded “Fiberglass” (Glass-Fiber-Reinforced Thermosetting Resin) Corrosion Resistant Pipe and Fittings


Source: ASTM International

This specification covers contact-molded “fibreglass” (glass-fiber-reinforced thermosetting resin) corrosion resistant pipe and fittings. The laminate comprising the pipe wall shall consist of a corrosion barrier comprised of an inner surface and interior layer, a structural layer, and an outer surface. Test conditions, chemical resistance of resin, glass content, tensile strength, short-time hydraulic failure pressure, and physical properties tests shall be performed to conform to the specific requirements.

This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.

1. Scope

1.1 This specification covers pipe and fittings fabricated by contact molding, for pressures to 150 psi and made of a commercial-grade polyester resin. Included are requirements for materials, properties, design, construction, dimensions, tolerances, workmanship, and appearance.

1.2 This specification does not cover resins other than polyester, reinforcing materials other than glass fibers or fabrication methods other than contact molding.

Note 1—For the purposes of this specification, the term polyester resin will include both polyester and vinylester resins.

1.3 This specification does not cover the design of pipe and fittings intended for use with liquids heated above their flash points.

1.4 The values stated in inch-pound units are to be regarded as the standard. The SI units given in parentheses are provided for information purposes only.

1.5 The following precautionary caveat pertains only to Section 10, the test methods portion, of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Note 2—There is no known ISO equivalent to this standard.

Index Terms

chemical resistant; contact molded; fiberglass; fittings; glass-fiber-reinforced thermosetting plastic; pipe;

ICS Code

ICS Number Code 23.040.20 (Plastic pipes); 23.040.45 (Plastic fittings)

DOI: 10.1520/D6041-11

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