ASTM_C_582_-_09_2016.pdf

Designation:C58209(Reapproved 2016)An American National StandardStandard Specification forContact-Molded Reinforced Thermosetting Plastic(RTP)Laminates for Corrosion-Resistant Equipment1This standard is issued under the fixed designation C582;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the U.S.Department of Defense.1.Scope1.1 This specification covers composition,thickness,fabri-cating procedures,and physical property requirements for glassfiber reinforced thermoset polyester,vinyl ester,or otherqualified thermosetting resin laminates comprising the materi-als of construction for RTP corrosion-resistant tanks,piping,and equipment.This specification is limited to fabrication bycontact molding.NOTE1The laminates covered by this specification are manufacturedduring fabrication of contact-molded RTP tanks,piping,and otherequipment.NOTE2There is no known ISO equivalent to this standard.1.2 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.3 The following safety hazards caveat pertains only to thetest method portion,Section 8,of this specification:Thisstandard does not purport to address all of the safety concerns,if any,associated with its use.It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the applicability of regulatory limita-tions prior to use.2.Referenced Documents2.1 ASTM Standards:2C581 Practice for Determining Chemical Resistance ofThermosetting Resins Used in Glass-Fiber-ReinforcedStructures Intended for Liquid ServiceD638 Test Method for Tensile Properties of PlasticsD695 Test Method for Compressive Properties of RigidPlasticsD790 Test Methods for Flexural Properties of Unreinforcedand Reinforced Plastics and Electrical Insulating Materi-alsD883 Terminology Relating to PlasticsD2583 Test Method for Indentation Hardness of Rigid Plas-tics by Means of a Barcol ImpressorD2584 Test Method for Ignition Loss of Cured ReinforcedResinsD3681 Test Method for Chemical Resistance of“Fiberglass”(GlassFiberReinforced Thermosetting-Resin)Pipe in aDeflected ConditionE84 Test Method for Surface Burning Characteristics ofBuilding Materials3.Definitions3.1 Definitions used in this specification are in accordancewith Terminology D883 unless otherwise indicated.The ab-breviation for reinforced thermoset plastic is RTP.3.2 polyesterresins produced by the polycondensation ofdihydroxyderivatives and dibasic organic acids or anhydrides,wherein at least one component contributes ethylenic unsatu-ration yielding resins that can be compounded with styrylmonomers and reacted to give highly crosslinked thermosetcopolymers.3.3 vinyl esterresins characterized by reactive unsatura-tion located predominately in terminal positions that can becompounded with styryl monomers and reacted to give highlycrosslinked thermoset copolymers.NOTE3These resins are handled in the same way as polyesters infabrication of RTP components.3.4 contact moldinga method of fabrication wherein theglass-fiber reinforcement is applied to the mold,in the form ofchopped strand mat or woven roving,by hand or from a reel,or in the form of chopped strands of continuous-filament glassfrom a chopper-spray gun.The resin matrix is applied byvarious methods,including brush,roller,or spray gun.Con-solidation of the composite laminate is by rolling.4.Classification4.1 Laminates shall be classified according to type,class,and grade.1This specification is under the jurisdiction of ASTM Committee D20 onPlastics and is the direct responsibility of Subcommittee D20.23 on ReinforcedPlastic Piping Systems and Chemical Equipment.Current edition approved Nov.1,2016.Published November 2016.Originallyapproved in 1965.Last previous edition approved in 2009 as C582 09.DOI:10.1520/C0582-09R16.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 4.1.1 TypeIn Roman numerals,shall designate the rein-forcement structure comprised of specific plies of glass fiber inspecific sequences.4.1.1.1 Type IA standard all-mat or chopped-rovingconstruction,or both,as shown in Table 1.4.1.1.2 Type IIA standard mat or chopped-roving andwoven-roving construction,or combination thereof,as shownin Table 2.4.1.1.3 Other types,such as standard mat or chopped rovingwith alternating layers of nonwov