ASTM D6041-11
(Specification)Standard Specification for Contact-Molded “Fiberglass” (Glass-Fiber-Reinforced Thermosetting Resin) Corrosion Resistant Pipe and Fittings
Standard Specification for Contact-Molded <span class='unicode'>“</span>Fiberglass<span class='unicode'>”</span> (Glass-Fiber-Reinforced Thermosetting Resin) Corrosion Resistant Pipe and Fittings
ABSTRACT
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.
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.
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Designation:D6041 −11 An American National Standard
Standard Specification for
Contact-Molded “Fiberglass” (Glass-Fiber-Reinforced
Thermosetting Resin) Corrosion Resistant Pipe and
1
Fittings
This standard is issued under the fixed designation D6041; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope C581 Practice for Determining Chemical Resistance of
Thermosetting Resins Used in Glass-Fiber-Reinforced
1.1 This specification covers pipe and fittings fabricated by
Structures Intended for Liquid Service
contact molding, for pressures to 150 psi and made of a
C582 Specification for Contact-Molded ReinforcedThermo-
commercial-grade polyester resin. Included are requirements
setting Plastic (RTP) Laminates for Corrosion-Resistant
for materials, properties, design, construction, dimensions,
Equipment
tolerances, workmanship, and appearance.
D618 Practice for Conditioning Plastics for Testing
1.2 This specification does not cover resins other than
D638 Test Method for Tensile Properties of Plastics
polyester, reinforcing materials other than glass fibers or
D883 Terminology Relating to Plastics
fabrication methods other than contact molding.
D1599 Test Method for Resistance to Short-Time Hydraulic
Pressure of Plastic Pipe, Tubing, and Fittings
NOTE 1—For the purposes of this specification, the term polyester resin
will include both polyester and vinylester resins. D1600 Terminology forAbbreviatedTerms Relating to Plas-
tics
1.3 This specification does not cover the design of pipe and
D2583 Test Method for Indentation Hardness of Rigid Plas-
fittings intended for use with liquids heated above their flash
tics by Means of a Barcol Impressor
points.
D2584 Test Method for Ignition Loss of Cured Reinforced
1.4 The values stated in inch-pound units are to be regarded
Resins
as the standard. The SI units given in parentheses are provided
D3567 Practice for Determining Dimensions of “Fiberglass”
for information purposes only.
(Glass-Fiber-Reinforced Thermosetting Resin) Pipe and
1.5 The following precautionary caveat pertains only to
Fittings
Section 10, the test methods portion, of this specification:This
D3681 TestMethodforChemicalResistanceof“Fiberglass”
standard does not purport to address all of the safety concerns,
(Glass–Fiber–Reinforced Thermosetting-Resin) Pipe in a
if any, associated with its use. It is the responsibility of the user
Deflected Condition
of this standard to establish appropriate safety and health
D5421 Specification for Contact Molded “Fiberglass”
practices and determine the applicability of regulatory limita-
(Glass-Fiber-Reinforced Thermosetting Resin) Flanges
tions prior to use.
F412 Terminology Relating to Plastic Piping Systems
2.2 ANSI Standards:
NOTE 2—There is no known ISO equivalent to this standard.
3
B16.1 Cast Iron Pipe Flanges and Flanged Fittings
3
2. Referenced Documents B16.5 Pipe Flanges and Flanged Fittings
3
2 B18.22 Type “B” Narrow Washers
2.1 ASTM Standards:
2.3 National Sanitation Foundation Standard:
NSF Standard 61 Drinking Water System Components—
4
Health Effects
1
This specification is under the jurisdiction of ASTM Committee D20 on
Plastics and is the direct responsibility of Subcommittee D20.23 on Reinforced
3. Terminology
Plastic Piping Systems and Chemical Equipment.
Current edition approved Dec. 1, 2011. Published December 2011. Originally
3.1 Definitions:
approved in 1996. Last previous edition approved in 2002 as D6041 – 97(2002),
which was withdrawn in January 2011 and reinstated in December 2011. DOI:
10.1520/D6041-11.
2 3
For referenced ASTM standards, visit the ASTM website, www.astm.org, or Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St.,
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM 4th Floor, New York, NY 10036, http://www.ansi.org.
4
Standards volume information, refer to the standard’s Document Summary page on Available from NSF International, P.O. Box 130140, 789 N. Dixboro Rd.,Ann
the ASTM website. Arbor, MI 48113-0140, http://www.nsf.org.
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D6041−11
NOTE 7—Antimony compounds or other fire-retardant agents may be
3.1.1 General—Definitions are in accordance with Termi-
added to halogenated resins for improved fire resistance, if agreed upon
nology D883 and Terminology F412 and abbreviations are in
between the manufacturer and the purchaser. These compounds do not
accordance with Terminology D1600, unless otherwise indi-
improve t
...
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