1、Designation: C1288 14Standard Specification forDiscrete Non-Asbestos Fiber-Cement Interior SubstrateSheets1This standard is issued under the fixed designation C1288; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last
2、revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.1. Scope*1.1 This specification covers discrete non-asbestos fiber-cement sheets manufactured to be dimensionally stable andsuitable fo
3、r decoration as paint, wallpaper, natural stone, tile,or resilient flooring in internal wet and dry areas.1.2 This specification is not applicable to asbestos-cementflat sheets (Specification C220), non-asbestos fiber cement flatsheets for exterior applications such as claddings, facades,curtain wal
4、ls, and soffits (Specification C1186), gypsum back-ing board and coreboard (Specification C1396/C1396M),water-resistant gypsum backing board (Specification C1396/C1396M), glass mat gypsum backing board (SpecificationC1178/C1178M), particle boards (Definitions D1554), fibermat cement boards (Specific
5、ation C1325 andANSIA118.9), orcement-bonded particleboards (Specification BS 5669: Part 4)and (ISO 8335).1.3 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
6、considered standard.2. Referenced Documents2.1 ASTM Standards:2C220 Specification for Flat Asbestos-Cement SheetsC1154 Terminology for Non-Asbestos Fiber-Reinforced Ce-ment ProductsC1178/C1178M Specification for Coated Glass Mat Water-Resistant Gypsum Backing PanelC1185 Test Methods for Sampling and
7、 Testing Non-Asbestos Fiber-Cement Flat Sheet, Roofing and SidingShingles, and ClapboardsC1186 Specification for Flat Fiber-Cement SheetsC1325 Specification for Non-Asbestos Fiber-Mat Rein-forced Cementitious Backer UnitsC1396/C1396M Specification for Gypsum BoardD1037 Test Methods for Evaluating Pr
8、operties of Wood-Base Fiber and Particle Panel MaterialsD1554 Terminology Relating to Wood-Base Fiber and Par-ticle Panel MaterialsE84 Test Method for Surface Burning Characteristics ofBuilding MaterialsG21 Practice for Determining Resistance of Synthetic Poly-meric Materials to Fungi2.2 ANSI Standa
9、rds:3A118.1 Specification for Dry-Set Portland Cement MortarA118.4 Specification for Latex-Portland Cement MortarA118.9 Test Methods and Specifications for CementitiousBacker UnitsA136.1 Standard for Organic Adhesives for Installation ofCeramic Tile2.3 British Standards:3BS 5669: Part 4 Specificatio
10、n for cement bonded particle-board2.4 International Standards:3ISO 8335 Cement-bonded particleboardsBoards of Port-land or equivalent cement reinforced with fibrous woodparticles3. Terminology3.1 DefinitionsRefer to Terminology C1154.4. Classification4.1 Flat sheets covered by this specification are
11、 intended forinterior dry or wet area applications as a desired unfinishedsubstrate or an unfinished substrate for decoration such aspaint, wallpaper, natural stone, tile, or resilient flooring wheredimensional stability is required.4.2 They may be supplied coated or uncoated.4.3 The sheets are furt
12、her classified into four grades accord-ing to their flexural strengths. The manufacturer shall declarethe grade of a given product in the literature for that product.1This specification is under the jurisdiction of ASTM Committee C17 onFiber-Reinforced Cement Productsand is the direct responsibility
13、 of SubcommitteeC17.02 on Non-Asbestos Fiber Cement Products.Current edition approved Dec. 1, 2014. Published December 2014. Originallyapproved in 1995. Last previous edition approved in 2004 as C128899(2010). DOI:10.1520/C1288-14.2For referenced ASTM standards, visit the ASTM website, www.astm.org,
14、 orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.3Available from American National Standards Institute (ANSI), 25 W. 43rd St.,4th Floor, New York, NY 10036, http:/www.ansi.org.*A
15、Summary of Changes section appears at the end of this standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States15. Composition and Manufacture5.1 CompositionThis specification is applicable to dis-crete non-asbestos fiber cement flat sh
16、eets consisting essen-tially of an inorganic hydraulic binder or a calcium silicatebinder formed by the chemical reaction of a siliceous materialand a calcareous material reinforced by organic fibers, inor-ganic non-asbestos fibers, or both. Process aids, fillers, andpigments that are compatible wit
17、h the fiber cement may beadded.5.2 ManufactureThese products may be formed eitherwith or without pressure and cured, under either natural oraccelerated conditions, to meet the property requirements ofthis specification.6. Mechanical and Physical Properties6.1 Mechanical and physical properties shall
18、 be determinedon uncoated product wherever practical. This material shallalso be tested, with the results identified as applying to coatedmaterial, where the products are supplied coated.6.1.1 Sampling and inspection for mechanical and physicalproperties shall be conducted in accordance with Test Me
19、thodsC1185.6.2 Mechanical Properties:6.2.1 Flexural StrengthWhen tested in accordance withTest Methods C1185, flexural strength shall be not less than thecorresponding value for the appropriate grade listed in Table 1.Where manufacturers state the minimum product strength, thisshall be at the 4 % ac
20、ceptable quality level (AQL) as are thevalues of Table 1.6.2.2 Sheets shall be tested and specified in both the wet andequilibrium conditions, and they shall meet the minimum wetand minimum equilibrium flexural strength requirements forthe appropriate grade specified in Table 1. In addition, theaver
21、age wet flexural strength of the sample shall not be lessthan 50 % of the mean equilibrium strength of the sample.NOTE 1When sampling from continuous production, these tests maybe conducted on dry, equilibrium, or saturated specimens, provided that arelationship can be established between this testi
22、ng and the specifiedvalues.6.3 Physical Properties:6.3.1 DensityNominal values and tolerances for densityshall be stated by the manufacturer for each product. Whentested in accordance with the method specified in Test MethodsC1185, the value for the density shall comply with the valuestated by the m
23、anufacturer.6.3.2 Modulus of ElasticityNominal values for modulusof elasticity shall be stated by the manufacturer for eachproduct. When tested in accordance with the method specifiedin Test Methods C1185, the nominal value for the modulus ofelasticity shall comply with the value stated by the manuf
24、ac-turer.7. Dimensions and Permissible Variations7.1 Method of MeasurementThe method of measurementshall be in accordance with Test Methods C1185.7.2 Nominal Length and WidthFiber-cement sheets aretypically supplied in nominal lengths of 96 in. (2438 mm) and120 in. (3048 mm) and nominal widths of 48
25、 in. (1219 mm).Greater or lesser nominal lengths and widths may be supplied.7.3 Nominal ThicknessFiber-cement sheets are normallyavailable in thicknesses of18 in. (3.5 mm) to 1 in. (25 mm),although thicknesses outside of this range may be supplied.7.4 Length and Width ToleranceThe permissible variat
26、ionfrom the nominal width shall be 60.5 %, with a maximumvariation of614 in. (6 mm).Amaximum variation of 618 in. (3mm) is acceptable for dimensions less than 24 in. (609 mm).7.5 Thickness ToleranceThe maximum difference be-tween extreme values of the thickness measurement within asheet shall not ex
27、ceed 15 % of the maximum measured value.The thickness variation from sheet to sheet shall not exceed thetolerances given in Table 2.7.6 Squareness ToleranceThe length of the diagonalsshall not vary by more than132 in./ft. (2.6 mm/m) of the lengthof the sheet. Opposite sides of the sheet shall not va
28、ry in lengthby more than132 in./ft. (2.6 mm/m).7.7 Edge Straightness ToleranceThe sheet edges shall bestraight within132 in./ft. (2.6 mm/m) of length or width.8. Workmanship, Finish, and Appearance8.1 WorkmanshipSheets shall have a commercially uni-formly smooth surface on one side, and they shall b
29、e free ofmajor defects that will impair appearance, erection, use, orserviceability.8.2 FinishThe surface of the sheet to be exposed shall besmooth, granular, or otherwise textured.8.3 AppearanceThe surface of the sheet shall be thenatural color of the product or may be colored by the additionof min
30、eral pigments, chemical impregnation, pigmentedcoating, veneer, or embedded mineral granules.9. Inspection and Acceptance9.1 If required, inspection of material shall be at the point ofshipment. The inspector representing the purchaser shall haveTABLE 1 Flexural Strength RequirementsNOTE 1The values
31、 of Table 1 are lower limit values based on an AQLof 4 %.GradeMinimum WetStrength,psi (MPa)MinimumEquilibrium Strength,psi (MPa)I 580 (4) 580 (4)II 1015 (7) 1450 (10)III 1885 (13) 2320 (16)IV 2610 (18) 3190 (22)TABLE 2 Thickness RequirementsNominal Thickness,in. (mm)Tolerance,in. (mm)18 to316 (3.55)
32、 0.02 (0.5)316 to38 (510) 0.04 (1.0)38 to58 (10 to 16) 0.05 (1.3)58 to34 (16 to 20) 0.06 (1.5)34 (20) 10 % thicknessC1288 142authorized access to the carriers being loaded for shipment tothe purchaser. The purchaser shall be afforded all reasonableand available facilities at the point of shipment fo
33、r samplingand inspection of the material, which shall be conducted so asnot to interfere with the loading of the carriers unnecessarily.9.2 Third party certification, either continuous or at regularintervals, shall be recognized as an alternative to lot inspection.9.3 Failure to conform to any one o
34、f the requirements of thisspecification shall constitute grounds for nonacceptance.10. Product Marking10.1 IdentificationProduct marking shall include a trade-mark or other means of identification that ensures that themanufacturer and product category can be identified. Themethod of marking shall be
35、 stated in the manufacturerscatalog.11. Packaging and Storage11.1 Commercial PackagingFlat sheets shall be packagedso as to ensure acceptance by common carrier. There is nostandard package. The material is usually shipped in bulk, butit may be crated when so specified by the purchaser.11.2 StorageFl
36、at sheets should be piled on sufficient firmsupports that will keep the sheets level and flat. The sheetsshould be piled with the edges square and flush and covered toprovide protection from the weather until used.12. Keywords12.1 acceptance; air cured; appearance; autoclaved cured;cellulose fiber;
37、coated glass fiber; density; edge straightness;exterior applications sheet grading; finish; flexural strength;frost resistance; heat/rain resistance; inspection; interior wetarea application; length and width tolerance; mechanical prop-erties; minimum equilibrium strength; minimum wet strength;moist
38、ure content; moisture movement; nominal length; nomi-nal thickness; nominal width; non-asbestos fiber; packaging;physical properties; polyethylene fiber; polypropylene fiber;polyvinyl alcohol fiber; polyacrylonitrile fiber; pressure cured;sampling; shipping; squareness tolerance; storage; supplemen-
39、tary tests; surface burning characteristics; thickness require-ments; thickness tolerance; third party certification; tolerance;type tests; warm water resistance; water tightness; workman-shipSUPPLEMENTARY REQUIREMENTSThe following supplementary requirements shall apply only when specified by the pu
40、rchaser in thecontract or order.S1. Supplementary TestsS1.1 Supplementary tests for these sheets shall consist ofonce-only supplementary tests, with the manufacturers state-ment of results provided upon the customers request. Funda-mental changes in formulation or methods of manufacture, orboth, sha
41、ll require the subsequent re-testing of the supplemen-tary tests.S1.2 Supplementary tests shall be determined on uncoatedproduct whenever practical. When fiber-cement sheets aresupplied coated, this material shall also be tested, with theresults identified as applying to coated material.S1.3 The fol
42、lowing supplementary tests shall be required:S1.3.1 Moisture movement,S1.3.2 Moisture content,S1.3.3 Water tightness,S1.3.4 Warm water resistance,S1.3.5 Surface burning characteristics,S1.3.6 Shear bond strength (dry-set portland cementmortar),S1.3.7 Shear bond strength (latex-portland cement mortar
43、),S1.3.8 Shear bond strength (organic adhesive type 1),S1.3.9 Nail-head pull-through (roofing nail), andS1.3.10 Mold resistance.S2. Moisture MovementS2.1 The linear variation with change in moisture contentshall be stated as the percentage change in length based on arelative humidity change from 30
44、to 90 % in accordance withTest Methods C1185. The linear variation with change shall be0.07 %.S3. Moisture ContentS3.1 State the percentage of moisture content of the fiber-cement sheet when conditioned at 50 6 5 % relative humidityand a temperature of 736 4F (23 6 2C) in accordance withTest Methods
45、 C1185.S4. Water TightnessS4.1 When tested in accordance with the Test MethodsC1185, the specimens may show traces of moisture on theunderside of the sheet, but in no instance shall there be anyformation of water drops.C1288 143S5. Warm Water ResistanceS5.1 When tested in accordance with Test Method
46、s C1185,the specimens shall not show visible cracks or structuralalteration such as to affect their performance in use. The ratioof the average strengths as calculated from test results shall notbe less than 80 %.S6. Surface Burning CharacteristicsS6.1 When used as a finished substrate without decor
47、ation,fiber-cement sheets of14-in. (6-mm) thickness shall have areported flame spread index of 0 and a smoke developed indexof not more than 5, when tested in accordance with TestMethod E84. Sheets of thicknesses greater than14 in. (6 mm)shall meet this specification or shall be formed at14-in. (6-m
48、m)thickness with the same formulation for test purposes.S7. Shear Bond Strength (Dry-Set Portland Cement Mor-tar)S7.1 Fiber-cement substrate sheets tested in accordancewith ANSI A118.1 (fiber-cement substrate sheet to fiber-cement substrate sheet) shall demonstrate a minimum shearbond strength at 7-
49、day curing of 50 psi (344 kPa).S8. Shear Bond Strength (Latex-Portland Cement Mortar)S8.1 Fiber-cement substrate sheets tested in accordancewith ANSI A118.4 (fiber-cement substrate sheet to fiber-cement substrate sheet) shall demonstrate a minimum shearbond strength at 7-day curing of 50 psi (344 kPa).S9. Shear Bond Strength (Organic Adhesives Type 1)S9.1 Fiber-cement substrate sheets tested in accordancewith ANSI A136.1 (fiber-cement substrate sheet to fiber-cement substrate sheet) shall demonstrate a minimum shearbond strength
