IEC 61249-2-10 : 1.0

MATERIALS FOR PRINTED BOARDS AND OTHER INTERCONNECTING STRUCTURES - PART 2-10: REINFORCED BASE MATERIALS CLAD AND UNCLAD - CYANATE ESTER, BROMINATED EPOXIDE, MODIFIED OR UNMODIFIED, WOVEN E-GLASS REINFORCED LAMINATED SHEETS OF DEFINED FLAMMABILITY (VERTICAL BURNING TEST), COPPER-CLAD

International Electrotechnical Committee

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FOREWORD 1 Scope 2 Normative references 3 Materials and construction    3.1 Resin system    3.2 Reinforcement    3.3 Metal foil 4 Internal marking 5 Electrical properties 6 Non-electrical properties of the copper-clad laminate    6.1 Appearance of the copper-clad sheet    6.2 Appearance of the unclad face    6.3 Laminate thickness    6.4 Bow and twist    6.5 Properties related to the copper foil bond    6.6 Punching and machining    6.7 Dimensional stability    6.8 Sheet sizes    6.9 Cut panels 7 Non-electrical properties of the base material after    complete removal of the copper foil    7.1 Appearance of the dielectric base material    7.2 Flexural strength    7.3 Flammability    7.4 Water absorption    7.5 Measling    7.6 Glass transition temperature and cure factor 8 Quality assurance    8.1 Quality system    8.2 Responsibility for inspection    8.3 Qualification inspection    8.4 Quality conformance inspection    8.5 Certificate of conformance    8.6 Safety data sheet 9 Packaging and marking 10 Ordering information Annex A (informative) Engineering information Annex B (informative) Common laminate constructions Annex C (informative) Guideline for qualification and         conformance inspection Bibliography Tables

Abstract

Provides requirements for properties of cyanate ester, brominated epoxide modified or unmodified woven E-glass laminate sheets of defined flammability, copper-clad, in thicknesses of 0,05 mm to 3,2 mm. The flammability rating is achieved through the use of brominated fire retardants contained as an integral part of the epoxide polymeric structure.