NTERNATIONAL STANDARD (TSO 3036 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ·MEKAYHAPOAHA OPTAHW3ALIMA IO CTAHJIAPTW3ALIWW·ORGANISATION INTERNATIONALE DE NORMALISATION Board -- Determination of puncture resistance Carton-Déterminationdela resistance a la perforation First edition-1975-06-15 ISO 3036-1975 (E) UDC 676.27 : 676.017.42 : 539.42 Ref.No.ISO 3036-1975 (E) Descriptors : corrugated cardboards, tests, impact tests, measurement, perforating strength. Price based on3pages FOREWORD ISo (the International Organization for Standardization) is a worldwide federation of national standards institutes (ISO Member Bodies). The work of developing International Standards is carried out through ISO Technical Committees. Every Member Body interested in a subject for which a Technical Committee has been set up has the right to be represented on that Committee. International organizations, governmental and non-governmental, in liaison with IsO, also take part in the work. Draft International Standards adopted by the Technical Committees are circulated to the Member Bodies for approval before their acceptance as International Standards by the ISO Council. International Standard ISO 3036 was drawn up by Technical Committee ISO/TC 6, Paper, board and pulps, and circulated to the Member Bodies in January 1973. It has been approved by the Member Bodies of the following countries : Belgium India Spain Canada Ireland Sweden Czechoslovakia Israel Switzerland Egypt, Arab Rep. of New Zealand Thailand Finland Norway Turkey France Poland United Kingdom Germany Romania U.S.A.* Hungary South Africa, Rep. of U.S.S.R. with the exception of sub-clause 5.1.1. No Member Body expressed disapproval of the document. International Organization for Standardization,1975 Printed in Switzerland ISO3036-1975 (E) INTERNATIONALSTANDARD Board - Determination of puncture resistance O INTRODUCTION The bed plate of the frame of the instrument shall be firmly attached to a strong base to prevent energy losses. The Several l makes of instrument, differing only in minor , are used for the measurement of the puncture instrument shallbeaccuratelylevelled,andshall notvibrate details, The results obtained with these during the test. resistance ofboard. different makesof instrument are similar but not NOTE-,The instrument shall be so designed that the energy necessarily identical. Therefore, for purposes of contained in the pendulum in each of the measuring ranges comparison, it is essential to ensure that the same make of corresponds to the respective scale (see annex). instrument is used for all tests. The instrument consists of the following elements : 1 SCOPE 5.1.1 Pendulum and puncture head This International Standard specifies method for The pendulum is fitted with an arm, having the shape of a determining the puncture resistance of board. 90° circular arc, to which the puncture head is attached. Bothpendulumandarmshallbestrongenoughtominimize deformation and vibration when the test is carried out. 2 FIELDOFAPPLICATION The puncture head shall be a right-angled triangular This method is applicable to all types of heavy board, pyramid, 25±0,7 mm high, with edges between sides including corrugated fibreboard, especially those used in honed to a radius between 1,0 and 1,6 mm. the manufacture of packing cases. One of the edges of the base of the pyramid shall be parallel to the axis of rotation of the pendulum, and the opposite REFERENCES corner of the base shall point towards the axis of rotation. 3 The axis of symmetry through the effective point of the ISO/R186， Method of sampling paper and board for puncture head shall be vertical when it is half-way through testing. the horizontal plane through the axis of the pendulum.1) Iso 187, Paper and board - Conditioning test samples. At the release point, the pendulum shall be in the horizontal position, which is determined by measuring 4 PRINCIPLE of gravity at rest. Subjection of a test piece from a representative sample of