is.12744.1989

इंटरनेट मानकDisclosure 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 12744 (1989): Ready Mixed Paint, Air Drying, Red Oxide - Zinc Phosphate, Priming [CHD 20: Paints, Varnishes and Related Products] “!ान $ एक न' भारत का +नम-ण” Satyanarayan Gangaram Pitroda “Invent a New India Using Knowledge” “!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता ह” है” ह Bhartṛhari—Nītiśatakam “Knowledge is such a treasure which cannot be stolen” . . PRIMING – SPECIFICATION UDC 667.847.11 : [ 661.638. IS 12744 : 1989 Indian Standard READY MIXED PAINT. RED OXIDE – ZINC PHOSPHATE. AIR DRYING.945 ] © BIS 1990 BUREAU OF INDIAN STANDARDS MANAK BHAVAN. 9 BAHADUR SHAH ZAFAR MARG NEW DELHI 110002 January 1990 Price Group 2 .2 : 667.622. In view of health hazards associated with the production of chrome pigments the use of zinc phosphate based primers is increasing. decided to formulate this specification to prescribe quality requirements of the material. therefore. shall be rounded off in accordance with IS 2 : 1960 'Rules for rounding off numerical values ( revised )'. .Paints and Allied Products Sectional Committee. after the draft finalized by the Paints and Allied Products Sectional Committee had been approved by the Chemical Division Council. expressing the result of a test or analysis. the composition gives a matching anti-corrosive performance to zinc chrome. The number of significant places retained in the rounded off value should be the same as that of the specified value in this standard. It has been found by experimental results that when based on good quality medium and extender. At present anti-corrosive primer based on zinc chrome pigment is extensively used. The committee. CDC 8 FOREWORD This Indian Standard was adopted by the Bureau of Indian Standards on 10 July 1989. For the purpose of deciding whether a particular requirement of this standard is complied with the final value. observed or calculated. Sl No. (ix) ] — Delete and renumber the subsequent serial numbers accordingly. PRIMING — SPECIFICATION ( Page 2. RED OXIDE — ZINC PHOSPHATE. New Delhi. BIS. 2 APRIL 2006 TO IS 12744 : 1989 READY MIXED PAINT. AMENDMENT NO. ( CHD 20 ) Reprography Unit. AIR DRYING. Table 1. India . New Delhi. AIR DRYING. RED OXIDE — ZINC PHOSPHATE. AMENDMENT NO. India .381 6' for '0. PRIMING — SPECIFICATION ( Page 4. clause B-4 ) — Substitute the factor '0.872'. BIS. ( CHD 020 ) Reprography Unit. 1 NOVEMBER 1992 TO IS 12744 : 1989 READY MIXED PAINT. The containers shall be marked with the follow- ing particulars: 5 REQUIREMENTS a) Name and type of the material. how- ever. shall be tested by relevant methods prescribed in specifications indicated against each : 6. The material is after continuous exposure for 96 hours in salt suitable for use.1. 5.1 Raw Materials d) Batch number or lot number in code or The following raw materials used in the formu.1 Composition nized trade-mark. e) Liquid drier – See type 1 of IS 385 : 1979. carbon solvent. analysis.1. 3 TERMINOLOGY 5. the definitions given in IS 1303 : 1983 shall apply. he in accordance with the instructions given by factured ) — See class 2 or 3 of IS 44 : the purchaser. and lation of paint according to this specification e) Month and year of manufacture. otherwise. 5. 1 .2 Resistance to Salt Spray This standard prescribes the requirements and When tested as prescribed in IS 101 ( Part 6/ methods of sampling and test for the material Sec 1 ): 1988 the panel prepared from the commercially known as ready mixed paint.3 The composition of the material shall be NOTE — 'Pure chemicals' shall mean chemicals that subject to lead restriction as defined in IS 1303 : do not contain impurities which affect the results of 1983. priming. For the purpose of this standard.2. as a primer in the painting spray cabinet.1 Packing 4 CLASSES Unless otherwise agreed to between the purcha- The material shall be supplied in brushing con.2 Quality of Reagents and driers in suitable proportions so as to Unless otherwise specified.1 Tests shall be conducted as referred to in Paint shall be formulated with suitable pigments. 5. low aromatic grade 6. both under marine and inland outdoor conditions. 1986. b) Manufacturer's name and/or his recog- 5. employed in tests. 6. pure chemicals and satisfy the requirements prespribed in Table 1 of distilled water ( see IS 1070 : 1977 ) shall be this standard. a) Zinc Phosphate — See IS 10897 : 1984. 6 PACKING AND MARKING 6.1. within ± 3 percent of the sample approved necessary adjuncts to this standard.4 The material shall also comply with the requirements given in Table 1. AIR DRYING RED OXIDE — ZINC PHOSPHATE. solvent. thinners 8. PRIMING— SPECIFICATION 1 SCOPE 5.2 Marking ( see IS 1745 : 1978 ). unsaponifiable varnish medium.1 The containers may also be marked with the Standard Mark. 8 TEST METHODS 5. system for the protection of steel work. the paint shall be packed in sistency but shall be suitable for application by metal containers conforming to IS 1407 : 1980 spraying after thinning with petroleum hydro. IS 12744 : 1989 Indian Standard READY MIXED PAINT. or IS 2552 : 1979. if any. Representative samples of the material shall be d) Petroleum hydrocarbon solvent — See drawn as prescribed in IS 101 ( Part 1/Sec 1 ): IS 1745 : 1978.1 Paint Formulation 8. col 4 of Table 1.3 Other details of packing and marking shall b) Red oxide of iron ( natural and/or manu. c) Volume of the material.3 Mass in kg/10 litres The minimum mass in kg/10 litres of this mate- 2 REFERENCE rial when tested in accordance with IS 101 ( Part The Indian Standards listed in Annex A are 1/Sec 7 ) : 1987 shall be 135. It shall be. 1969. if any. 145/205. The smell of the material shall not be objectionable during application. ser and the supplier. against this specification. 7 SAMPLING c) Oil or turpentine — See IS 6646 : 1972. red material shall show no signs of corrosion oxide-zinc phosphate. Title IS No.4 ) Sl No. 50 Clause 6 of IS 6947 ( Part I I ) : cent by mass on pigment.IS 12744 : 1989 Table 1 Requirements for Ready Mixed Paint.°C 30 IS 101 ( Part 1/Sec 6 ) : 1987 xiv) Keeping properties Not less than one year IS 101 ( Part 6/Sec 2 )* •Under print. Min viii) Red oxide ( as Fe2Oa3 ). Red Oxide-Zinc Phosphate. percent by 50 ± 5 IS 101 ( Part 8/Sec 2 )* mass vii) Zinc phosphate. percent by 0·5 mass. hard dry Not more than 18 hours IS 101 ( Part 3/Sec 1) : 1986 ii) Consistency Smooth and uniform and IS 101 ( Part 1/Sec 5 )* suitable for brushing without producing appreciable drag on the brush or spraying as required iii) Finish Smooth and matt. ANNEX A ( Clause 2 ) LIST OF REFERRED INDIAN STANDARDS IS No. Min. Priming ( Clause 5. percent by 16·0 Annex B mass on pigment. varnishes and related products : Part 1 Test IS 101 (Part 2/ Part 2 Test oil liquid paints on liquid paints ( general and Sec 1 ) : 1988 ( Chemical examination ) See physical) Sec 1 Sampling 1 Water content ( third revi ( third revision ) sion ) 2 . or eggshell IS 101 ( Part 3/Sec 4 ) : 1987 flat iv) Colour That of red oxide Clause 11 of IS 101 : 1964 v) Wet opacity Between — 10 percent and IS 101 ( Part 4/Sec 1) : 1988 +20 percent of the approved sample or the value declared by the manufacturer and ac- cepted by a competent testing laboratory vi) Pigment content. 1975 Min IS 101 ( Part 2/Sec 1 ) : 1988 ix) Water content. Max x) Scratch hardness No such scratch as to show IS 101 ( Part 3/Sec 1 ) : 1988 the bare metal xi) Flexibility and Adhesion No visible damage or detech. per. Title IS 44 : 1969 Iron oxide pigments for paints IS 101 (Part 1/ Sec 5 Consistency ( under ( first revision ) Sec 5 ) print ) IS 101 : 1964 Methods of test for ready IS 101 (Part 1/ Sec 6 Flash point ( third revi- mixed paints and enamels Sec 6 ) : 1987 sion ) ( second revision ) IS 101 ( Part 1/ Sec 7 Mass per 10 litres ( third IS 101 ( Part 1/ Methods of sampling and test Sec 7 ) : 1987 revision ) Sec 1 ) : 1966 for paints. IS 101 ( Part 5/Sec 2 ) : 1988 after 48 hours air-drying ment of film xii) Protection against corrosion No signs of corrosion IS 101 ( Part 6/Sec 1 ) : 1988 under conditions of conden- sation xiii) Flash point. Characteristic Requirement Method of Test Ref to (1) (2) (3) (4) i) Drying time. Besides. to citric acid solution gradually with constant stirring. Mix the stirring.and store in a dark place. Sec 1 Hardness test vents ( second revision ) ( third revision ) IS 101 ( Part 5/ Sec 2 Flexibility and adhesion IS 2552 : 1979 Steel drums ( galvanized and Sec 2 ) : 1988 ( third revision ) ungalavanized ) ( second revi- sion ) IS 101 ( Part 6/ Part 6 Durability tests on IS 6646 : 1972 Oil of turpentine. Sec 2 Pig- ment and nonvolatile matter IS 10897 : 1984 Zinc phosphate pigment for ( under print ) paints ANNEX B [ Table 1. solvent Sec 1 ) : 1988 paint films. Dissolve 70 g of sodium molybdate dihydrate in 150 ml water. Title IS No.2 Solution A ( Citric Molybdic Acid Reagent ) B-3 PROCEDURE Dissolve 54 g of pure molybdic anhydride and B-3. manganese and alkali metals do not interfere in the method. add 280 ml acetone and dilute to lene bottle. Now dissolve 5 g of quinoline in a mixture of 35 ml Dissolve 50 ml quinoline in a mixture of 60 ml nitric acid and 100 ml water and gradually add hydrochloric acid and 30 ml water with constant this solution to the solution marked I. B-2. Sec 1 Wet opacity IS 1407 : 1980 Round paint tins ( second ( third revision ) revision ) IS 101 ( Part 5/ Part 5 Mechanical tests on IS 1745 : 1978 Petroleum hydrocarbon sol- Sec 1 ) : 1988 paint films. Dissolve 60 g of citric acid in a mixture of 140 The pigment is extracted from the paint and ml hydrochloric acid and 200 ml of water and pigment is taken for the determination of zinc cool the solution. ferric oxide and IS 101 ( Part 8/ aluminium Sec 2 ) and other solids. Keep the solution in a polyethylene bottle advantage of this method over ammonium phos. the solution. Sec 1 Drying time ( second revision ) ( third revision ) IS 1070 : 1977 Water for general laboratory IS 101 ( Part 3/ Sec 4 Finish ( third revision ) use ( second revision ) Sec 4 ) : 1987 IS 1303 : 1993 Glossary of terms relating to IS 101 ( Part 4/ Part 4 Optical tests on paint paints ( second revision ) Sec 1 ) : 1988 films. Add molybdate solution B-2. Cool the solution and filter. IS 6947 ( Part 2 ) : Methods of estimation of sion ) 1975 composite pigments in oil IS 101 ( Part 6/ Sec 2 Keeping properties pastes and ready mixed Sec 2 ) ( under print ) paints : Part 2 Estimation of Part 8 Tests for pigments zinc chromes. Now add molybdate solution phosphate content.solution.3 Solution B ( Quimociac Reagent ) composition.1 Weigh accurately about 1 g of the pigment 12 g of sodium hydroxide in 400 ml of hot water in to a 250-ml beaker and dissolve it with 30 ml 3 . Filter the the solution to 1 000 ml and store in a polyethy. (vii) ] DETERMINATION OF ZINC PHOSPHATE CONTENT IN PRIMER B-0 GENERAL with constant stirring and cool the solution. calcium. Dissolve 60 g of citric acid in a B-2 REAGENTS mixture of 85 ml nitric acid and 150 ml water and cool the solution. Title IS 101 ( Part 3/ Part 3 Tests on paint film IS 385 : 1979 Mixed liquid driers for paints Sec 1 ) : 1986 formation. Sl No. 1 000 ml with water. IS 12744 : 1989 IS No. and mark this solution as I.5 percent potassium bromate based on precipitation of quinoline phospho. filter and make up B-1 OUTLINE OF THE METHOD the volume to 1 000 ml ( solution may be green or blue colour on its exposure to light ). Dilute solution well and keep for 24 hours. If The method for the estimation of phosphates is necessary add 0. Cool. Mix the solution thorough- ly and store in a polyethylene bottle. Main pale.1 Quinoline Solution to citric acid-nitric acid mixture gradually with stirring. Sec 1 Resistance grade to humidity under conditions of condensation ( third revi. phomolybdate is that the quinoline phos- phomolybdate is less soluble and has constant B-2.solution drop until the green colour becomes molydate and determined gravimetrically. Remove the B-4 CALCULATION solution from the heat and swirl carefully.2 Pipette out 50 ml of this solution constant weight is obtained. previously dried at chloric acid.3 Cool the solution to room temperature the blank test. Treat the solution by one of the following method: B-3. cover the flask with watch-glass and place it on a hot. paper. Filter through a quantitative filter times with 25 ml portion of water in each time. percent from the burette with continuous swirling by mass in the ( add 3 to 4 ml dropwise and balance in pigment steady stream ) = b) Add 50 ml of solution B. glass fibre or filter paper. M0 = mass in g of the residue obtained in B-3. Boil the solution till organic matter 250°C and weighed. Wash the precipitate five is destroyed. Zinc phosphate Immediately add 10 ml quinoline solution content.IS 12744 : 1989 dilute nitric acid and 3 to 5 ml of dilute hydro. Calculate the ( see B-3.4 Carry out a blank test in the same way as a) Add 30 ml of solution A and boil gently the determination but omitting the test portion. the sample. for 3 minutes ( solution must be free from precipitate at this time ). Repeat the process of heating and cooling till a B-3. 100 ml with water. at 250°C. Collect the filtrate in a 200-ml flask and Dry the crucible and its content for 30 minutes make up the volume to the mark with water. Cool it in a desiccator and weigh.1 ) ( containing not more than 25 mg weight of the quinoline phosphomolybdate pre- of P2O5 ) in to 500 ml conical flask and dilute to cipitate by difference. where plate in well-ventilated hood and boil the M1 = mass in g of the residue obtained in solution for 1 minute. and with occasional swirling during cooling. Filter the solution into a Gooch crucible provided with M = mass in g of the pigment taken. 4 . Standard marked products are also continuously checked by BIS for conformity to that standard as a further safeguard. Details of conditions under which a licence for the use of the Standard Mark may be granted to manufacturers or producers may be obtained from the Bureau of Indian Standards. The Standard Mark on products covered by an Indian Standard conveys the assurance that they have been produced to comply with the requirements of that standard under a well defined system of inspection. .Standard Mark The use of the Standard Mark is governed by the provisions of the Bureau of Indian Standards Act. testing and quality control which is devised and supervised by BIS and operated by the pro- ducer. 1986 and the Roles and Regulations made thereunder. Road. V. in the course of implementing the standard.I.I. TRIVANDRUM. Date of Issue Text Affected BUREAU OF INDIAN STANDARDS Headquarters: Manak Bhavan. Maniktola CALCUTTA 700054 36 24 99 2 18 43 Northern : SCO 445-446. 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