3632

( Reaffirmed 2001) 2ND CIRCLE ( Alternate ) Roads Wing. P. First &scmt SHRI K. NANDA SUPERINTENDINQENOINEER. M. .1969 Indian Standard . B.ICHANDRAN ( Alternate ) The Institution of Engineers ( India ) SRRI ERACH A. J. Roorkee DR S. Central STANDARDS BHAVAN. NAMBIAR Park Road. Ministry of Transport & Shipping SHRI KARTIK PRAEAD SHRI S. B. Bombay DR R. New DIRECTOR Delhi Central Water & Power Commission. BAQCRI Beas Designs Organization. T. Gandhinagar. L. K. New Delhi. KATHURIA ( Altcmats ) Engineer-in-Chief’s Branch BRIM NARESH PRASAD COL J. Joshi & Co. TOLANI ( Alternate ) SRRI ( Continued on page 2 ) lDr R.DATT The Concrete Association of India. MUKERJI SHRI E. New Delhi SRRI P. L. K. S.IS : 3632 . Adp-. CHOPRA SHRI J. Madras 20 ) Central Public Works Department SHRI M. S. New Delhi DIRECTOR ( CSM ) DIRECTOR ( DAMS III ) ( Alternate ) Geological Survey of India. JOSHI Directorate General of Supplies & Disposals SHRI M. New Delhi lDR R. JAQUS ( Alternate ) STANDARDS Research. K. STANDEPUTY DARDS ( B & S ) ( Altematc ) S. 9 BAHADUR NEW DELHI Road Research Institute ( CSIR INSTITUTION SHAH 1 ZAFAR MARG ). SHARMA (Al&mate ) Central Road Research Institute ( CSIR ). New Delhi SHRI A. Bombay SHRI S. M. HATTIANGADI SHRI P. SINGAL ( Alternate ) Central Building Research Institute ( CSIR ). GAOSH The Associated Cement Companies Ltd. A. KANSE National Test House. NADIRSHAH In personal capacity ( ‘ Ramanalaya ’ IS. Datt ) Sahu Cement Service. Lucknow (B&S) DIRECTOR. Lucknow DIRECTOR-IN-CHARQE ( NR ) Indian Road Congress. BHATNAGAR SHRI A. R. . RA~. Ghosh is also alternate INDIAN MANAK to Director. K. Calcutta SHRI S.METHOD OF TEST FOR DETERMINATION OF WET VOLUME OF ASBESTOS FIBRE Cement and Concrete Sectional Committee. N. Designs & Standards Organization ( MinisJOINT DIRECTOR try of Railways ). K. MEHTA ( Alternate to Shri J. Bombay Members M. BDC 2 Representing Chairman SHRI J. Madras REPREEIENTATIVE Hindustan Housing Factory.~TI~E The India Cement Ltd. H. Bombay Ltd. SHARNA SHRI S. D. Ahmedahad Directorate General of Supplies and Disposals The Hyderabad Asbestos Cement Products Hyderabad Geological Survey of India. Dalmianagar Shree Digvijay Cement Co Ltd. New Delhi DR H. V. S. SINHA Indian Bureau of Mines ( Ministry of Petroleum and Chemicals & Mines and Metals ) ( Continued on pa&r 5 ) 2 .sner Cement Research Institute of India. RAMABWAMY National Buildings Organization. VERMA (Alternate) SBRI K.L&3632-1969 ( Continuedfrom pagr 1 ) Members Rcprcscnting SHRI R~arNnEn SIxan SHRI B. ( CSIR ). V. RAIUANA ( Alternate ) Cement Research Institute of India. NAYER ( Aftcrnate ) SHRI N. Hindustan Ferodo Ltd. SALVI SHRI C. R. BHA~WANANI DEPUTY DIRECTOR STANDARDS (B&S) ASSISTA-NT DIRECTOR STANDARDS ( B & S/M ) ( Alternate ENQINEER-OFFICER I ( A ) SHRI V. Struc. SWAMI SHRI P. BDC 2 : 3 : 1 Convener QHBI R. Director ( Civ Engg ) ( Secretary ) Asbestos Cement Products Subcommittee. S. RAO SHRI S. Bombay Variety of Indigenous Asbestos. C. KASLIWAL ( Alternate ) Central Board of Irrigation & Power. N. New Delhi SECRETARY Dalmia Cement ( Bharat ) Ltd. BHAL ( Alternate ) Gammon India Ltd. VENI~ATARAMAN Panel for Amphibole Engineer-in-Chief’s Branch Research. New Delhi DR H. PODDAR SERI M.oraJkengineering New Delhi Research Centre . Lucknow Organization ) Central Public Works Department Rohtas Industries Ltd. K. New Delhi SERI I~. G. Calcutta REPRE~ENT. K. SWARooP SHRI A. S. Calcutta The Asbestos Cement Ltd. VISVESVARAYA Director General. B. P. ARGJA ( Akmate) PROFG. Dastur & Co ( Private ) Limited. IS1 ( Ex-oficio Member ) SHRI R. NAOARAJAN. C. RAMASESHAN SHRI V. BDC 2 : 3 Conv. RAN~NEKAR REPRESENTATIVE SHRI R. Bombay SHRI T. V. S. VISVESVARAYA Mcmbcrs SRRI N. Designs and Standards ( Ministry of Railways ). New Delhi SHRI K. N. PIrVHEIRO( Alternate ) M. DR N. L. 5 In reporting the result of a test or analysis made in accordance with this standard. Mineral Fibre Products Bureau and Quebec Asbestos Mining Association. observed or calculated. 0. $Rules for rounding off numerical values ( revised ). 0. if the final value.4 This standard is one of the three Indian Standards on testing of asbestos fibre published so far. 0. properties of asbestos fibre which will give the required strength for the manufacturing of AC products will be useful for utilizing indigenous asbestos for various AC products.3 In the formulation of this standard due weightage has been given to international co-ordination among the standards and practices prevailing in different countries in addition to relating it to the practices in the field in this country.IS:3632-1969 Indian Standard METHOD OF TEST FOR DETERMINATION OF WET VOLUME OF ASBESTOS FIBRE 0. is to be rounded off.1This Indian Standard was adopted by the Indian Standards Institution on 13 August 1969. This has been met by basing the standard on ‘ Testing procedure for chrysotile asbestos fibre ‘jointly published by American Textile Institute.1 This method of test is one of the tests which will be useful for defining the asbestos fibre fit for the use for manufacturing of AC products. it shall be done in accordance with IS : 2 . IS:4844-1968* and IS : 5328-1969t are the other two standards published under this series. 0. *Method of sampling and preparation of asbestos fibre for laboratory test purposes. 0. These testing procedures will be useful both for mine owners and the manufacturers of AC products provided they have the facilities to make these tests with reasonable accuracy and the personnel with the required The method of test for the various degree of laboratory experience. .2.2 A series of standards on testing procedures of asbestos fibre are being formulated so as to provide standard methods for obtaining physical and chemical properties of asbestos fibre which is used for manufacturing various asbestos cement (AC) products like AC sheets. AC pipes. iMethod of test for determination of chemical composition of asbestos fibre.1960:. after the draft finalized by the Cement and Concrete Sectional Committee had been approved by the Civil Engineering Division Council. etc. FOREWORD 0. 2 2. required sample of asbestos in the cylinder and add distilled water to the 2000-ml mark. Place the cylinder carefully in the mechanically driven After the initial shaking inverter and rotate 30 times in one minute.1 Record in ml the wet volume of the fibre suspended in water after two The weight of the fibre taken in the test as per 4.1968t.3 InverterIt shall be mechanically driven. 3. 4. PROCEDURE Add distilled weigh 25 g of fibre from the sample (see 3. capable of rotating the graduated glass cylinder (see 2. *Specification for graduated measuring cylinders. filling to the 1 OOO-ml mark.1). reported. RECORDING ’ inversion consists of a rotation through 360” to the original OF RESULT 5. Place the water at 27” f 2°C to the cylinder. 5. sampled in accordance 4. SCOPE 1.1 shall also be hours. with the axis of rotation passing through the centre of the cylinder. TMethod of sampling and preparation of asbestos fibre for laboratory test purposes. test sample.1 This standard prescribes a method of test designed grades of asbestos fibre in terms of its buoyancy in water. APPARATUS 2. with a suitable stopper.1969 1. the cylinder on a vibration-free table.1956*. 3.2 Graduated Glass CylinderIt shall be of 2 000 ml capacity conforming to IS : 878 .1 Carefully NOTE -A complete vertical position. The stopper shall be such as to remain in position during the revolution of the cylinder in the inverter ( see 2. ’ .IS : 3632 . of weighing more than 100 g to the 2. 4 .2) at the rate of 30 rev/min.1 Balance accuracy - off It shall be capable O-05 g.1 The sample shall be the laboratory with IS : 4844 .3 ). to appraise all 2. cycle let the cylinder stand for ten minutes and then repeat the shaking Replace cycle making 30 complete inversions in one minute (see Note). SAMPLING . K. New Delhi Shree Digvijay Cement Co Ltd. Dalmianagar National Buildings Organization.VENKATARA~~AB SHRI H. Thyagaraja Nagar. VERMA In personal capacity ( 21 Lakshmi Colony.BAsAK SHRI N. Directorate General of Technical Development CentrRaiorfeilding Research Institute ( CSIR ).R.RAYASESEAN SHRIS. Madras 17 ) Pusalal Mansinghka Pvt Ltd. VERMA t 5 . Hyderabad DRI. SHRI PIJSALAL MANSIIWHKA SHRIV. Calcutta Hindustan Ferodo Ltd. Bhilwara Rohtas Industries Ltd. . Jealgora. New Delhi Hyderabad Asbestos Cement Products Ltd. BISWAE SHBI A.K.North i&cent Road. CAATTERJEE Central Fuel Research Institute ( CSIR ).D.lS:3632-l!W Representing Members i ' DR N. Bombay Geological Survey of India.C. Bombay Associated Instrument Manufacturers ( India) Pvt Ltd.V.THIAQARAJAN SHRIN.SWAMI SHRIR. Ahmedahad Asbestos Cement Ltd.G.NATARAJAN SHR~RABINDER SIN~H SHRIK. ..... .1962 Unreinforced corrugated asbestos cement sheets ( zeuised ) 1592 .. 3007 ( Part II j-1964 Code of practice for laying of asbestos cement sheets ....50 .00 ..INDIAN STANDARDS ON Asbestos Fibre and Asbestos Cement Products RS IS: 459 .. ... . ..00 .. .. 3632 ...50 3007 ( Part I )-1964 Code of practice for laying of asbestos cement . 1626... .. 2. . 2096 ..... sheets: Part I .. ... 2.... Corrugated sheets . . - ... 2. 8. ... ... . .00 .00 2712 .. 5328 . .1969 Method of test for determination fibre ...... .1966 Asbestos cement flat sheets building . ....1960 Asbestos cement pressure pipes . . .. 2... ..1960 Asbestos cement socket type ) gutters .. ...00 of asbestos fibre for laboratory .. ..1964 Asbestos cement building boards . ..... : Part II 5. 5... Semi-corrugated-sheets . 3. 4. and fittings ( spigot . pipes. 2098 .. .50 and .1965 Compressed asbestos fibre jointing ... ..1968 Method of sampling and preparation test purposes .1969 Method of test for determination 4844 . ....00 of wet volume of asbestos fibre of chemical composition of asbestos . ...00 3....