1、Designation: D6083/D6083M 18Standard Specification forLiquid Applied Acrylic Coating Used in Roofing1This standard is issued under the fixed designation D6083/D6083M; the number immediately following the designation indicates theyear of original adoption or, in the case of revision, the year of last
2、 revision. A number in parentheses indicates the year of lastreapproval. A superscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers liquid-applied water-dispersedacrylic latex elastomeric protective roof coatings.1.2 This specif
3、ication does not provide guidance for appli-cation.1.3 The values stated in either SI units or inch-pound unitsare to be regarded separately as standard. The values stated ineach system may not be exact equivalents; therefore, eachsystem shall be used independently of the other. Combiningvalues from
4、 the two systems may result in non-conformancewith the standard.1.4 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety, health, and environmental practices and det
5、er-mine the applicability of regulatory limitations prior to use.1.5 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recom-menda
6、tions issued by the World Trade Organization TechnicalBarriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:2C794 Test Method forAdhesion-in-Peel of Elastomeric JointSealantsD16 Terminology for Paint, Related Coatings, Materials, andApplicationsD471 Test Method for Rubber Prope
7、rtyEffect of LiquidsD522/D522M Test Methods for Mandrel Bend Test of At-tached Organic CoatingsD562 Test Method for Consistency of Paints MeasuringKrebs Unit (KU) Viscosity Using a Stormer-Type Viscom-eterD624 Test Method for Tear Strength of Conventional Vul-canized Rubber and Thermoplastic Elastom
8、ersD903 Test Method for Peel or Stripping Strength of Adhe-sive BondsD1079 Terminology Relating to Roofing and WaterproofingD1644 Test Methods for Nonvolatile Content of VarnishesD1653 Test Methods for Water Vapor Transmission of Or-ganic Coating FilmsD2196 Test Methods for Rheological Properties of
9、 Non-Newtonian Materials by Rotational ViscometerD2370 Test Method for Tensile Properties of Organic Coat-ingsD2697 Test Method for Volume Nonvolatile Matter in Clearor Pigmented CoatingsD4798/D4798M Practice for Accelerated Weathering TestConditions and Procedures for Bituminous Materials(Xenon-Arc
10、 Method)G21 Practice for Determining Resistance of Synthetic Poly-meric Materials to Fungi3. Terminology3.1 For definitions of terms used in this specification, seeTerminologies D16 and D1079.4. Classification4.1 Type I and Type II are defined by the liquid physicalproperties in Table 1 and cured fi
11、lm physical properties inTable 2.5. Materials and Manufacture5.1 CompositionThe product, as manufactured, shall be inliquid form for application to the roof surface by brushing,squeegeeing, rolling, or spraying. The product shall be com-posed of a water-based acrylic latex elastomeric emulsionpolyme
12、r, to which various pigments and other additives havebeen added to give the required physical properties.6. Liquid and Cured Film Physical Properties6.1 Although the product is supplied as a liquid, its perfor-mance is based on the functional properties of the curedmaterial in film form. The coating
13、 is formed into a film adheredto the substrate.1This specification is under the jurisdiction of ASTM Committee D08 onRoofing and Waterproofing and is the direct responsibility of Subcommittee D08.18on Nonbituminous Organic Roof Coverings.Current edition approved Sept. 1, 2018. Published October 2018
14、. Originallyapproved in 1997. Last previous edition approved in 2005 as D6083 051whichwas withdrawn in 2014 and reinstated in September 2018. DOI: 10.1520/D6083_D6083M-18.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Ann
15、ual 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 StatesThis international standard was developed in accordance with internationally
16、recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.16.2 Liquid Physical Property RequirementsThe liquidcoating
17、shall comply with the property requirements in Table 1.6.3 Cured Film Physical Property RequirementsThecured film shall comply with the requirements listed in Table 2.7. Test Methods7.1 Specimen PreparationPrepare coating films by apply-ing 2 coats, with a minimum of 4 h drying period betweencoats,
18、to a suitable release surface so film will not tear uponremoval (see Test Method D2370) to give a total dry milthickness of 0.50 6 0.05 mm 0.02 6 0.002 in. The film isallowed to thoroughly cure at 23 6 2C 73.4 6 3.6F and 506 10 % relative humidity for 336 6 12 h. The film shall beremoved from the re
19、lease paper and turned over after the first168 h to allow for complete curing.7.2 Elongation and Tensile Strength (Test Method D2370):7.2.1 Test conditions: 23 6 2C 73.4 6 3.6F at 50 % 610 % RH.7.2.2 Cut specimen measuring 75 mm 3 in. long by 13 mm0.5 in. 6 10 % wide.7.2.3 Test Type or Functional Eq
20、uivalent:Cross head speed 25 0.5 mm/min 1.0 in./minGage length 25 0.5 mm 1.0 in.7.3 Accelerated Weathering (Practice D4798/D4798M):Cycle employed AUninsulated black paneltemperature63 3CFilter Daylight filterTotal radiant energy(minimum)1260 kJ/(m2nm) at 340 nm151.2 MJ/m2at 300 to 400 nm(1000 h at t
21、he irradiance level of0.35 W/(m2nm) at 340 nmspecified in Test Method D4798/D4798M)7.4 Permeance (Test Methods D1653)A 0.5 mm 0.02 in.6 10 % film shall be used.7.4.1 Test conditions: 23 6 2C 73.4 6 3.6F at 50 610 % RH.7.4.2 Test is run in the inverted position with water incontact with the film.7.4.
22、3 Value is reported in SI and inch-pound units.7.5 Water Swelling (Test Method D471)The test shall beconducted at 23 6 2C 73.4 6 3.6F using a 0.5 mm 0.020in. 6 10 % film submerged in distilled water for a period of168 6 4 h. At that time, the weight value is determined.7.6 Adhesion to Specified Subs
23、trate (Test Method C794 orD903):7.6.1 Cross head speed 50 mm/min 2 in./min.7.6.2 Specimens are prepared by brush applying two coatsto a galvanized panel substrate (unless otherwise specified)with the cloth strip (in accordance with Test Methods C794 andD903) embedded between the coats to give a tota
24、l dry filmthickness of 0.5 mm 0.02 in. 6 10 %. The panels are allowedto dry for 336 6 12hat236 2C 73.4 6 3.6F and 50 610 % relative humidity prior to testing for wet adhesion. If aprimer is specified, it shall be applied per the manufacturers orsuppliers direction.7.6.3 Specimens shall be submerged
25、for 168 6 6hintapwater at 23 6 2C 73.4 6 3.6F prior to testing for wetadhesion. Samples are tested immediately after soaking.7.7 Tear Resistance (Test Method D624)Die C.7.8 Low Temperature Flexibility (Test Method D522/D522M, Method B)Apply product at uniform thickness toaluminum substrate to result
26、 in a dry film thickness of 0.36 mm0.014 in. 6 10 % and allow to cure 72 h at 23 6 2C 73.46 3.6F and 50 6 10 % relative humidity followed by 120 hat 50C 122F prior to testing.7.9 Viscosity (Test Method D2196)Test specimen withBrookfield LVT Viscometer No. 4 spindle, 6 RPM.8. Inspection8.1 Inspection
27、 of the material shall be as agreed by involvedparties.9. Rejection and Resubmittal9.1 Failure to conform to any one of the requirementsprescribed in this specification shall constitute grounds forrejection. The seller shall have the right to reinspect therejected shipment and resubmit the lot after
28、 removal of thosepackages not conforming to the specified requirements.10. Packaging and Materials10.1 Shipping containers shall be marked with the name ofthe material, the stock number, lot number, ASTM designationnumber, type, and year of issue, quantity therein, shelf-lifedate, and the name of th
29、e manufacturer or supplier.11. Keywords11.1 acrylic; elastomeric coating; roofTABLE 1 Liquid Physical Property RequirementsPhysicalPropertyASTMDesignationRequirementsType I Type IIViscosity D562 85 to 141 KU 85 to 141 KUD2196 12 to 85 Pas12 000 to 85 000 cps0.2 to 100 Pas200 to 100 000 cpsVolume sol
30、ids D2697 greater than 50 % greater than 45 %Weight solids D1644 greater than 60 % greater than 50 %D6083/D6083M 182ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentionedin this standard. Users of this standard are expressly a
31、dvised that determination of the validity of any such patent rights, and the riskof infringement of such rights, are entirely their own responsibility.This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years andif not revised, eith
32、er reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical committee, which you may attend.
33、 If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959,United States. Indi
34、vidual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org). Permission rights to photocopy the standard may also be secured
35、from the Copyright Clearance Center, 222Rosewood Drive, Danvers, MA 01923, Tel: (978) 646-2600; http:/ 2 Cured Film Physical Property RequirementsPhysical Property ASTM Designation RequirementType I Type IIInitial percent elongation (break) D2370 minimum 100 % 23C 73F minimum 100 % 23C 73FInitial te
36、nsile strength(maximum stress)D2370 minimum 1.4 MPa 200 psi 23C 73F minimum 1.4 MPa 200 psi 23C 73FFinal percent elongation (break)after accelerated weathering1000 hD2370 minimum 100 % at 23C 73F minimum 100 % at 23C 73FPermeance D1653 maximum 2875 ng Pasm2 50 perms maximum 2875 ng Pasm2 50 permsWat
37、er swelling D471 maximum 20 % (mass) maximum 20 % (mass)Accelerated weathering 1000 h D4798/D4798M No cracking or checking No cracking or checkingAdhesion C794D903 minimum 350 N/m 2.0 pli wet minimum 350 N/m 2.0 pli wetFungi resistance G21 Zero rating Zero ratingTear resistance D624 21.0 kN/m 60 lbf/in. 21.0 kN/m 60 lbf/in.Low temperature flexibility after1000 h accelerated weatheringD522/D522M minimum pass 13 mm 0.5 in.mandrel 26C 15Fminimum pass 13 mm 0.5 in.mandrel 10C 14FD6083/D6083M 183
