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इंटरनेट मानक Disclosure to Promote the Right To Information Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public. “जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ” Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru “The Right to Information, The Right to Live” “Step Out From the Old to the New” IS 8043 (1991): Specification for hydrophobic Portland cement [CED 2: Cement and Concrete] “!ान $ एक न’ भारत का +नम-ण” Satyanarayan Gangaram Pitroda ““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee”” “!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै” Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” IS 8043:1991 Reaffirmed 2009 - ) Indian Standard HYDROPHOBIC PORTLAND CEMENT— SPECIFICATION ( Second Revision) ( Second Reprint MAY 1998 ) UDC 666.942.4/.7 © BIS 1991 BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002 AMENDMENT NO.1 NOVEMBER 1991 TO IS8043:1991HYDROPHOBiC PORTLAND CEMENT SPECIFICATION (S~t:otulRe"isioff.) (Page3,clmut! C.1.Z)-Substilule'up1025tonnes'{or'or201025 tonnes". (CED2) RcP10tfJphrUru.LUlS.!'fewt)ellu.lodta AMENDMENT NO.2 NOVEMBER1993 TO IS 8043 : 1991 HYDROPHOBIC PORTLAND CEMENT- , - SPECIFICATION ( SecondRevision) (Page2,clause9.2.2 )- Substitutethefollowingfortheexistingmatter: '9.2.2 When cement is intended forexport andif tbe purchaser so requires, packingofcement maybedone inbags orindrums with anaverage netmass of cement per bag or drum as agreed to hetween the purchaser and the - manufacturer, 9.2.1.1 Forthis purpose thepermission of thecertifying authority shall be obtainedinadvanceforeachexportorder. 9.2.2.2 The words 'FOR EXPORT' and theaverage netmass ofcementper bag/drumshallbeclearlymarkedinindelibleinkoneachbag/drum. -,.2.2.3Thepacking material shall beasagreedllihetween !be manufacturer and!bepurchaser. '.2.2.4 The tolerance requirements for !be mass of cement packed in bags/drumshallbeIS givenin9.2.1.1excepttheaverage.aetmass whichshall beequalto ormoretbsntheqUlntityin9.2.2.' (CED2) Rq>tog"PhyIlnit,DIS,NewDelhi,India AMENDMENT NO. 3 APRIL :ZOOO TO IS 8043: 1991 HYDROPHOBICPORTLAND CEMENT- SPECIFICATION [S.oo,""R••I.sIo.) Subst.itute'net mass'JOT 'average net mass' wherever itappeltS int 51IRd,rd. (CED2) eo.. ntandConcrclOSoction.lCommittee,CED2 FOREWORD Thi.Indi•• St.nd.rd(Second Revieion ) .....dopted bythe Bureauof IndianStandards, after tho draftfinalized by the Cement and Concrete Sectional Committee had been approvedby tileCioil Enlineerin. Dilliaion Council. Hydrophobiccement deterioratesverylittle durina prolonged storageunder unfavourable conditions. Thiscement isobtllined byintergrinding 33gradeordinaryPortlandcementclink.erwithcertainhydro phobicasents wbichWill impa.rttothecement a waterrepellingproperty. The bydrophobicI1ropeniet. arc due tQthe formation ofa water repellantfilmaroundeach panicle o{cement. This filmilbroken during the mixingoftheconcrete,and normal hydration takes place. Hydropbobre cement shall not beconfusedwith waterproofingcements. A teston hydrophobicityi.also included inIbisstandard. Thi.standard wasfirst issuedas an emergency standard in1976and subsequently revised in 1978. Sinceppbhcationofthefirst revision of this standard,amendmentsnave: beenissuedfrom time to time inorderto modify various. requirements based 01\ the requirementsofthe users and also k.cepinl in viewthe raw materialsand fuel available inthe countf} for manufacture ofcement. The important a.mendments include modification in the tolerance requtremente for the mass ofcement packed in bap,permittingpackaginlofcement in25kgbags, makingcompulsory provision Cor Issuingaeeru.. fieateindicatingthe total chloridecontent inpercent by massofcement,permitting differtnlbagsfOt packingofcement, incorporating de-bibfor considering ofsuppJy ofcement as bulk supply, etc. In viewofthese large number ofamendments,tbe Committeedecided to bring out tbe second revision of this standardincorporatingalltheseamendmentssoas10makeitconvenient{orthe uscn. MaRofcement packed inbags and the tolerancerequirementsfer the mBa'SDfcement packed.inbag. shllllbeinaccordance witbthe relevant provisions ofthe Standards of Wei_bts BndMeasurel( Pack aged Comm.odities)Rules. 1977 an.d C-l.Z (ueAnnex C for information). Any modificationin theserulesinrespectoftoleranceon massofcementwouldapplyautomaticallyto thisstandard. The compositionoftheTechnical Committee responsible for the formulationofthis standardi'liven al AnDc~ D. for tbe purpose of deciding whethera particular requirementofthisstandard iscomplied with, the finalvalue, observedor calculated, expressing the result ofa test or aOIIYlil, shaHberoundedoft'tn or aeeordanee with IS2: 1%0 "Rulesfor rounding oft' numerical values (replsed)". The number significantpl....relained inlbe rounded offvaluesbouldbethe..me.s th.1oftbespecifiedvaluein tbia standard. IS1043 :1991 Indian Standard HYDROPHOBIC PORTLAND CEMENT SPECIFICATION ( Second Revision) I SCOPE 6.1 The physical requirements.such as soundness and setting time shall be as laid down in IS269 : This standardcoversthemanufactureand chemical 1989. and physical requirementsof hydrophobicPortland cement. 6J Compressi,eStreDltb 2 REFERENCES The averagecompressivestrengthof at least three mortarcubes (areaofface 50em") composedof The IndianStandardslisted in Annex Aare neces one partof cement) three parts of standardsand sary adjunctsto thisstandard. (conformingto IS650 :1966) by mass and P/4 3 TERMINOLOGY + 3·0 percent( of combined mass of cement and sand)water, and prepared, stored and testedin 3.1 Forthe purposeofthrs standard, the defi.ni lionsgiven III 1S4845 :196& and the following the manner described in IS4031( Part6) : 1988 shall apply. shall beas follows: a) 72± I hours Not less than 15'69MPa 3.1.1 HydrophobicCement b) 168±2 hours Not lessthan 21'51MPa Cement obtained by gnndmg33grade ordinary c) 672 ± 4hours Notlessthan 30'40MPa Portlandcementclmker with an adduive which. WIllImpartto ground cement, a water repelling NOTE- PISthe percentage of water requrred 10 propertywhich shall be destroyed only by wet produceapasteofstandardconsrsrency, attrition,such'as In concretemixer. The hydro 6.4 Byagreementbetween the purchaser and the phobic quality of cement would facilitate Its manufacturer, transverse strength test ofplastic storage for longer periods 10 extremely wet mortarIn accordancewith the method described climaticconditions. in IS4031 (Part 8) : 1988 may be specified in 4 MII.NUFACTURE additionto thetest specified in 6.3 The permis siblevalue of the transverse strength for hydro 4.1 Hydrophobic cement shall be manufactured by intimately mrxrng together calcareous and phobicPortland cementshall be mutually agreed to between the purchaser and the supplier at the argillaceousand/or otber silica, alumina or Icon time of placmgorder. oxrde bearing materials.burningthem at clmkermg mpetature and grindingtheresultantclinkerwith 6.5 Notwtthstandmg the strength requirements tural or chermcal gypsum and small quannnes specified In6.3 and 6.4. the cement shall show-a "I to O'5 percent by mass of clmker) of a progressiveincreaseinstrength from the strength 11vrtrophobrcagent at 12 hours. ..HE- Some of the hydrophobic agents used In 6.6 Hydrophobicityof the cementshall be tested the manufacture of hyrlrophohic cement are oleic acid, nnphthenic acut, steanc acid, pentachloro and accepted in accordanceWIth Annex B. phenol, etc. 7 STORAGE, SAMPLING, TESTS AND 5 CHEMICAL REQUIREMENTS REJECTION S.J The chemical requirements of hydrophobic 7.1 Storage, sampling, tests and rejection of cementshall beas laid in IS 269: 1989. hydrophobic cement shall be as lard down in IS26? : 1989. 6 PHYSICAL REQUIREMIlNTS 6.1 Fineness 8 MANUFACTURER'S CERTIFICATE whentested forfinenessInterms ofspecificsurface 8.1 The manufacturershallsatisfyhimselfthatthe by Blame'sair permeabtluy method as described cemenlconformsto the requirementsoftbis stan inIS4031( Part2) :1988,the specific surface of dard, and ifrequested, shallfurnish acertificateto the hydrophobic cement shall be not less than thileffectto the purchaseror his representative 350ID'/kg. withinten days ofdespatchofthecement. _au:lltl 1.2The manuractanr lllaU fumisha certificate, more than 5percent of the bags in the sample, wlthiDlendayaof deapatch of cemear,indicatin, Also the minus errorinnone of such bags inthe the tol8l .h1orid. eontent in I"'/CODI by.....of sample shaJlexceed4 percent of the specified net _I. massofcement inthe bag However,the average netmass of cement inasampleshan beequal to , DEUVDY or more than 2Skg. ". The.......t lball be: packed in hap [jute 9.1.2Whencementisintended for export andif ""'kin,ha,oonformin,10 IS2580: 19'2,double the purchaserso requires. packing ofcementmay heuianbilumini~ (CRllyl"'),multiwaJl paper bedone inbags withan average net mass per bag oonformin,loIS11761 :1986, polyetbylene lined asagreedto between the purchaser and the manu (CRllype),jute,lishtwci,hl juteeonformin,to facturer. IS 121S4:1987, woven HOPE conformin,10IS 11652: 19B6 wovenpolypropylene conformingto '.2.2.1 For tlus purpose the permission of the IS11653:1986,jute .yntbetic union conforming certifying authorityshall beobtained ID advance to IS 12174:1987 or any otber approvedcom foreach exportorder. politebap]beariog the maDUracturer's name or 9.1.1.2 The words "FOR EXPORT' and Ibe hiJ registered trade-mark. if any. Tbe words averagenet mass ofcementper bagshall beclearly 'HydropbobicCement'and tbenumber ofbags to marked10 indelibleink.on each bag. • tonneorthenominalaverageDet maas(lee 9..2) of!hecementshallbe:markedle,iblyandmdelibly 9.2.2.3 The packing materialshall beas agreed to oneach bag. Bagl .hall be ingood condition at between thesupplierand the purchaser. thotimeofioapec1ioD. 9.2.2.4 The tolerance requirements for tbe mass "'.1 The hap or pack....may .Isobe:marked of cement packed in bags shall be as given with theStaodard Mark. in9.%.1.1except the average net mass whichshall ,.2 Tbeaverage netmass ofcement perbagshall beequal toor marcthan quantityin9.2.2. be:50k,(...Anne.C). 9.3 Supplies of cement in bulkmay Bemade by arrangementbetweenthepurchaserandthesupplier '.~l Theaverage net mass of cement per bag (ma.nufactureror stockist). mayal.obe25kgsubject to tolerances 8S given in9.2:.1.1and packedin suitable bags as agreed NOTE--Aslnalebag or container cuutamingI000 to betweenthepurchaserandthemanufacturer. kgormorenet mass of cementshall beconsidered as bulk:supply of cement. Supplies of cement may 9.2.1.1 The numberofhapinasample taken for also be made ill intermediate containers, for weilhment sbowing a minus error greaterthan example.drumsof200kg,by agreement between the 2percentof tbe specified oct mass shall benot purchaserand the manufacturer, ANNEX A ( Clause 2.1 ) UST OF REFERRED INDIAN STANDARDS [SNo. Tit/e IS No. Title 269: 1989 Specification for 33grade ordi 11652: 1986 Specification for high density Dlry Portland cement <fourth polyethylene (HOPE) woven revision) sacks forpackingcement 650:1966 Specification for standard sand 11653:1986 Specification for polypropylene for testing of cement (first (PP )woven sacks for packing revis;on) cement 1580 : 1981 Spec::i6cation for jute sacking bagsfor packmgcement(s~cond 11761: 1986 Specificationformulti-wallpaper te>lI(o.) sacks for cement valved-sewn gussetted type ]5]5: 19B6 Methods of sampling hydraulic cements(firstre,is;on) 12089: 1987 Specrficaucn for granulated slag for the manufacture ofPorlland 04031 (PartI Methods of PhYSIcal tests for slag cement to 13):1988 hydraulic cement (first rep;. don) 12154: 1987 Specificattcnfor lightweightJute 4845: 1968 Definitions and terminology bags for packingcement relating to hydraUliccement 11174: 1987 Specification for jute synthetic 4905: 1968 Methnds ofrandomsamplin, unionbag [or packrngcemem 2