MATERIALS FOR PRINTED BOARDS AND OTHER INTERCONNECTING STRUCTURES - PART 2-21: REINFORCED BASE MATERIALS, CLAD AND UNCLAD - NON-HALOGENATED EPOXIDE WOVEN E-GLASS REINFORCED LAMINATED SHEETS OF DEFINED FLAMMABILITY (VERTICAL BURNING TEST), COPPER-CLAD
International Electrotechnical Committee
FOREWORD<br>1 Scope<br>2 Normative references<br>3 Materials and construction <br> 3.1 Resin system<br> 3.2 Reinforcement <br> 3.3 Metal foil<br>4 Internal marking<br>5 Electrical properties <br>6 Non-electrical properties of the copper-clad laminate <br> 6.1 Appearance of the copper-clad sheet <br> 6.2 Appearance of the unclad face<br> 6.3 Laminate thickness <br> 6.4 Bow and twist <br> 6.5 Properties related to the copper foil bond <br> 6.6 Punching and machining <br> 6.7 Dimensional stability <br> 6.8 Sheet sizes<br> 6.9 Cut panels <br>7 Non-electrical properties of the base material after complete <br> removal of the copper foil <br> 7.1 Appearance of the dielectric base material <br> 7.2 Flexural strength<br> 7.3 Flammability <br> 7.4 Water absorption <br> 7.5 Measling<br> 7.6 Glass transition temperature and cure factor <br>8 Quality assurance <br> 8.1 Quality system <br> 8.2 Responsibility for inspection<br> 8.3 Qualification inspection <br> 8.4 Quality conformance inspection<br> 8.5 Certificate of conformance <br> 8.6 Safety data sheet<br>9 Packaging and marking<br>10 Ordering information <br>Annex A (informative) Engineering information <br>Annex B (informative) Common laminate constructions<br>Annex C (informative) Guideline for qualification and <br> conformance inspection<br>Bibliography<br>Tables
Describes requirements for properties of non-halogenated epoxide woven E-glass reinforced laminated sheets of defined flammability (vertical burning test), copper-clad in thicknesses 0,05 mm up to 3,2 mm.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 91 |
