ISO INTERNATIONAL STANDARD 9958-1 First edition 1992-11-01 Draughting media for technical drawings Draughting fim with polyester base Part 1: Requirements and marking Supports de tracage pour dessins techniques --- Films a dessin a base de polyester Partie 1: Caracteristiques et marquage Reference number ISO 9958-1:1992(E) S( Not for Resale vorking permitted without license from IHS ISO 9958-1:1992(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 technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, govern- mental and non-governmental, in liaison with IsO, also take part in the work. Iso collaborates closely with the international Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an Inter- national Standard requires approval by at least 75 % of the member bodies casting a vote. International Standard iso 9958-1 was prepared by Technical Committee Iso/Tc 10, Technical drawings, product definition and related documen- tation, Sub-Committee Sc. 9, Media and equipment for drawing and re- lateddocuimentation. isO 9958 consists of the following parts, tinder the general title Draughting media for technical drawings --- Draughting film with poly- ester base: Part 1: Requirements and marking -- Part 2: Determination of properties Annexes A and B of this part of Iso g958 are for information only ISO1992 permission in writing from the publisher. International Organization for Standarclization Case Postale 56·CH-1211 Genéve 20·Switzerland Printed in Switzerland vithout license from IHS Not for Resale INTERNATIONAL STANDARD ISO 9958-1:1992(E) Draughting media for technical drawings --- Draughting film with polyester base -- Part 1: Requirements and marking Scope Iso 9958-2:1992. Draughting media for technical drawings -- Draughting film with polyester base Part 2: Determination of properties. This part of 1sO 9958 specifies the requirements for draughting film with a biaxially oriented polyethyl- ene terephthalate base (commonly known as polyester base) used as a medium for drawn and 3 Definitions written information which it is possible to duplicate, revise and store For the purposes of this part of iso 9958, the follow- ing definitions apply. In addition, this part of IsO 9958 specifies the con- tents of the labei to be affixed on the outside of the 3.1 draughting film: A film for drawn and written draughting fiim package,and gives an example of information with either chemically or mechanically the product information which may be prepared by produced drawing surfaces on one or both sides. the manufacturer or retailer of the draughting film. 3.2 tota! thickness of the draughting film: The 2 Normative references thickness of the draughting film. measured in ac- cordance with Iso 4593. The foilowing standards contain provisions which, through reference in this text, constitute provisions 3.3 base film; raw film: Biaxially oriented film made of this part of IsO 9958.At the time of publication of polyethylene terephthalate (a polymer of poly- the editions indicated were valid. All standards are ester type) without any coating(s). subject to revision,and parties to agreements based on this part of Iso 9958 are encouraged to investi- 3.4 base film thickness: The thickness of the base gate the possibility of applying the most recent edi- film,measured in accordance withIso 45g3. tions of the standards indicated below. Members of IEC: and ISO maintain registers of currently valid 3.5 drawing layer: A coating on the base film. International Standards. mainly composed