I.S. EN 60674-3-7:1999

FOREWORD
INTRODUCTION
1 General
   1.1 Scope
   1.2 Normative references
   1.3 Classification
2 Designation
3 General requirements
4 Dimensions
   4.1 Thickness
   4.2 Width
5 Properties
   5.1 Properties not dependent on thickness
   5.2 Properties dependent on thickness
   5.3 Other properties
6 Roll characteristics for all types
   6.1 Roll diameter/film length
   6.2 Windability/sag
   6.3 Joins
   6.4 Roll width
   6.5 Cores
Annex ZA (normative) Normative references to international
                     publications with their corresponding
                     European publications

Provides the requirements for copolymers of tetrafluoroethylene (TFE) and hexafluoropropylene (HFP), conventionally described as fluoroethylene-propylene (FEP) as films, without surface treatments to render the surface cementable and heat sealable.