1、Designation: C 1288 99 (Reapproved 2004)Standard Specification forDiscrete Non-Asbestos Fiber-Cement Interior SubstrateSheets1This standard is issued under the fixed designation C 1288; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revisio
2、n, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This specification covers discrete non-asbestos fiber-cement sheets manufactured to be dimensionally s
3、table andsuitable for 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 C 220), non-asbestos fiber cement flatsheets for exterior applications such as claddings
4、, facades,curtain walls, and soffits (Specification C 1186), gypsum back-ing board and coreboard (Specification C 442), water-resistantgypsum backing board (Specification C 630), glass mat gyp-sum backing board (Specification C 1178), particle boards(Definitions D 1554), fiber mat cement boards (Spe
5、cificationC 1325 and ANSI A118.9), or cement-bonded particleboards(Specification BS 5669: Part 4) and (ISO 8335).1.3 The values stated in inch-pound units are to be regardedas the standard. The values given in parentheses are forinformation only.2. Referenced Documents2.1 ASTM Standards:2C 220 Speci
6、fication for Flat Asbestos-Cement SheetsC 442 Specification for Gypsum Backing Board, GypsumCoreboard, and Gypsum Shaft Liner BoardC 630 Specification for Water-Resistant Gypsum BackingBoardC 1154 Terminology for Non-Asbestos Fiber-ReinforcedCement ProductsC 1178 Specification for Glass Mat Water-Re
7、sistant Gyp-sum Backing PanelC 1185 Test Methods for Sampling and Testing Non-Asbestos Fiber-Cement Flat Sheet, Roofing and SidingShingles, and ClapboardsC 1186 Specification for Flat Non-Asbestos Fiber-CementSheetsC 1325 Specification for Non-Asbestos Fiber-Mat Rein-forced Cement Substrate SheetsD
8、1037 Test Methods of Evaluating the Properties of Wood-Base Fiber and Particle Panel MaterialsD 1554 Terminology Relating to Wood-Base Fiber andParticle Panel MaterialsE 84 Test Method for Surface Burning Characteristics ofBuilding MaterialsG 21 Practice for Determining Resistance of SyntheticPolyme
9、ric Materials to Fungi2.2 ANSI Standards: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 St
10、andards:3BS 5669: Part 4 Specification 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 Definitions: Refer to Terminology C 1154.4. Classification4.1 Flat
11、sheets covered by this specification are 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 co
12、ated or uncoated.1This specification is under the jurisdiction of ASTM Committee C17 onFiber-Reinforced Cement Products and is the direct responsibility of SubcommitteeC17.02 on Non-Asbestos Fiber Cement Products.Current edition approved June 1, 2004. Published June 2004. Originallyapproved in 1995.
13、 Last previous edition approved in 1999 as C 128899.2For 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.3Availabl
14、e from American National Standards Institute, 11 West 42nd St., 13thFloor, New York, NY 10036.1Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.4.3 The sheets are further classified into four grades accord-ing to their flexural strengt
15、hs. The manufacturer shall declarethe grade of a given product in the literature for that product.5. Composition and Manufacture5.1 CompositionThis specification is applicable to dis-crete non-asbestos fiber-reinforced cement flat sheets consist-ing essentially of an inorganic hydraulic binder or a
16、calciumsilicate binder formed by the chemical reaction of a siliceousmaterial and a calcareous material reinforced by organic fibers,inorganic non-asbestos fibers, or both. Process aids, fillers, andpigments that are compatible with the fiber-reinforced cementmay be added.5.2 ManufactureThese produc
17、ts 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 be determinedon uncoated product wherever practical. This
18、 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 MethodsC 1185.6.2 Mechanical Properties:6.2.1 Flexural Stren
19、gthWhen tested in accordance withTest Methods C 1185, flexural strength shall be not less thanthe corresponding value for the appropriate grade listed inTable 1. Where manufacturers state the minimum productstrength, this shall be at the 4 % acceptable quality level (AQL)as are the values of Table 1
20、.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, theaverage wet flexural strength of the sample shall not be les
21、sthan 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 testing and the specifiedvalues.6.3 Physical Properties:6.3.1
22、 DensityNominal values and tolerances for densityshall be stated by the manufacturer for each product. Whentested in accordance with the method specified in Test MethodsC 1185, the value for the density shall comply with the valuestated by the manufacturer.6.3.2 Modulus of ElasticityNominal values f
23、or modulusof elasticity shall be stated by the manufacturer for eachproduct. When tested in accordance with the method specifiedin Test Methods C 1185, the nominal value for the modulus ofelasticity shall comply with the value stated by the manufac-turer.7. Dimensions and Permissible Variations7.1 M
24、ethod of MeasurementThe method of measurementshall be in accordance with Test Methods C 1185.7.2 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 in. (1219 mm).Greater or lesser nominal lengths and
25、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 variationfrom the nominal width shall be 60.5 %, with a max
26、imumvariation of614 in. (6 mm). A maximum 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 exceed 15 % of the maximum measured value.The thickne
27、ss 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 vary in lengthby more than132 in./ft. (2.6 mm/m).7.7
28、Edge Straightness ToleranceThe sheet edges shall bestraight within132 in./ft. (2.6 mm/m) of length or width.8. Workmanship, Finish, and Appearance8.1 Workmanship Sheets shall have a commercially uni-formly smooth surface on one side, and they shall be free ofmajor defects that will impair appearance
29、, 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 mineral pigments, chemical impregnation, pigmented co
30、at-ing, 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 of Table 1 are lower limit values based on an A
31、QLof 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) 60.02 (0.5)316 to38 (510) 60.04 (1.0)38 to58 (1
32、0 to 16) 60.05 (1.3)58 to34 (16 to 20) 60.06 (1.5)34 (20) 610 % thicknessC 1288 99 (2004)2authorized access to the carriers being loaded for shipment tothe purchaser. The purchaser shall be afforded all reasonableand available facilities at the point of shipment for samplingand inspection of the mat
33、erial, 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 of the requirements of thisspecifica
34、tion 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 stated in the manufacturerscatalog
35、.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 StorageFlat sheets should be piled on suffic
36、ient 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; polyvinyl alcohol fiber; density; e
37、dge straight-ness; exterior applications sheet grading; finish; flex-uralstrength; frost resistance; heat/rain resistance; inspection; inte-rior wet area application; length and width tolerance; mechani-cal properties; minimum equilibrium strength; minimum wetstrength; moisture content; moisture mov
38、ement; nominallength; nominal thickness; nominal width; non-asbestos fiber;packaging; physical properties; polyethylene fiber; polypropy-lene fiber; coated glass fiber; polyacrylonitrile fiber; surfaceburning characteristics; pressure cured; sampling; shipping;squareness tolerance; storage; suppleme
39、ntary tests; thicknessrequirements; thickness tolerance; third party certification;tolerance; type tests; warm water resistance; water tightness;workmanshipSUPPLEMENTARY REQUIREMENTSThe following supplementary requirements shall apply only when specified by the purchaser in thecontract or order.S1.
40、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, shall require the subsequent re-testing
41、 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 following supplementary tests shall be
42、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 cement mor-tar),S1.3.7 Shear bond strength (latex-portland cement mortar),S1.3.8 Shear bond strength (orga
43、nic 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 to 90 % in accordance withTest Met
44、hods C 1185. The linear variation with change shall be#0.07 %.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 C 1185.S4. Water TightnessS4.1
45、When tested in accordance with the Test MethodsC 1185, the specimens may show traces of moisture on theunderside of the sheet, but in no instance shall there be anyformation of water drops.S5. Warm Water ResistanceS5.1 When tested in accordance with Test Methods C 1185,the specimens shall not show v
46、isible 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 decoration,fiber-cement sheets of14-in. (6-
47、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 E 84. Sheets of thicknesses greater than14 in. (6 mm)C 1288 99 (2004)3shall meet this specification or shall be formed at14-in. (6-mm)thickness with the
48、 same formulation for test purposes.S7. Shear Bond Strength (Dry-Set Portland CementMortar)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-day curing of 50 psi (
49、344 kPa).S8. Shear Bond Strength (Latex-Portland CementMortar)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 at 7-day curing of 50 psi (344
