ISO INTERNATIONAL STANDARD 7965-2 First edition 1993-12-15 Sacks - Drop test - Part 2: Sacks made from thermoplastic flexible film Essaisdechute Partie 2: Sacs faits d'un film thermoplastique flexible [SO Reference number ISO 7965-2:1993(E) No reproduction or networking permitted without license from IHS Not for Resale ISO7965-2:1993(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies (IsO member bodies). The work of preparing International Standards is normally carried out through IsO which a technical committee has been established 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. isO collaborates closely with the International Electrotechnical Commission (lEC)onallmattersofelectrotechnicalstandardization. circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. International Standard ISO7965-2wasprepared byTechnical Committee ISO/TC 122, Packaging, Subcommittee SC 2, Sacks. Iso 7965 consists of the following parts, under the general title Sacks - Drop test. Part1:Papersacks Part 2: Sacks made from thermoplastic flexible film Annexes A, B and C of this part of ISO 7965 are for information only. ?ISO1993 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. International OrganizationforStandardization CasePostale56·CH-1211Geneve20·Switzerland Printed in Switzerland No reproduction or networking permitted without license from IHS Not for Resale INTERNATIONAL STANDARD ISO ISO 7965-2:1993(E) Sacks - Drop test - Part 2: Sacks made from thermoplastic flexible film 1 Scope 3 Principle This part of ISO 7965 specifies a method of vertical The filled sack is raised above a rigid surface and re- impact testing on a filled sack made from thermo- leased to strike this surface after a free fall, the at- plastic flexible film by dropping. It may be performed mospheric conditions, the height of the drop and the eitheras a singletest toinvestigatethe effects of position of the package being set in advance. verticalimpactorasapartofasequenceoftests designed to measure the ability of a sack to withstand a distribution system that includes a vertical impact 4 Apparatus hazard. The apparatus necessary to carry out the drop test This part of ISO 7965 specifies the testing procedure shall include the following (examples are shown in and how the results of tests should be presented. It annex A): is based on ISO 22481), but is specifically related to sacks made from thermoplastic flexible film. 4.1 Lifting arrangement, which will not damage the sack during either lifting or release. 2 Normative references 4.2 Means of holding the sack prior to release in The following standards contain provisions which, its predetermined position. through reference in this text, constitute provisions of this part of ISO 7965. At the time of publication, the The difference in behaviour of a sack suspended from editions indicated were valid. All standards are subject the top or supported underneath in a butt drop can to revision, and parties to agreements based on this be significant, and the method of holding the sack part of ISO 7965 are encouraged to investigate the before dropping shall be included in the test report. possibility of applying the most recent editions of the standards indicated below. Members of IEC and ISO 4.3 Release mechanism, to release the sack in maintain registers of currently valid International Standards. of the apparatus before striking the impact surface (4.4). ISO 2233:1986, Packaging Complete, filled trans- port packages -- Conditioning for testing. 4.4 Impact