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BS EN 61249-2-30:2013

BS EN 61249-2-30:2013

$142.49

Materials for printed boards and other interconnecting structures – Reinforced base materials clad and unclad. Non-halogenated epoxide modified cyanate ester woven glass laminate of defined flammability (vertical burning test), copper-clad

Published By Publication Date Number of Pages
BSI 2013 26
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This part of IEC 61249 gives requirements for properties of non-halogenated epoxide modified cyanate ester woven glass laminate of defined flammability (vertical burning test), copper-clad in thicknesses of 0,03 mm up to 1,60 mm. The flammability rating is achieved through the use of non-halogenated inorganic and/or organic compounds acting as fire retardants. These fire retardants are contained as part of polymeric structure or in addition to it. The glass transition temperature is defined to be 160 °C minimum.

Some property requirements may have several classes of performance. The class desired should be specified on the purchase order, otherwise the default class of material may be supplied.

PDF Catalog

PDF Pages PDF Title
6 English
CONTENTS
8 1 Scope
2 Normative references
3 Materials and construction
3.1 General
3.2 Resin system
9 3.3 Reinforcement
3.4 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
6.1.1 General
Tables
Table 1 – Electrical properties
10 6.1.2 Indentations (pits and dents)
6.1.3 Wrinkles
6.1.4 Scratches
6.1.5 Raised areas
Table 2 – Indentations
11 6.1.6 Surface waviness
6.2 Appearance of the unclad face
6.3 Laminate thickness
Table 3 – Nominal thickness and tolerance of metal-clad laminate
12 6.4 Bow and twist
6.5 Properties related to the copper foil bond
6.6 Punching and machining
Table 4 – Bow and twist
Table 5 – Pull-off and peel strength
13 6.7 Dimensional stability
6.8 Sheet sizes
6.8.1 Typical sheet sizes
6.8.2 Tolerances for sheet sizes
6.9 Cut panels
6.9.1 Cut panel sizes
6.9.2 Size tolerances for cut panels
Table 6 – Dimensional stability
14 6.9.3 Rectangularity of 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
Table 7 – Size tolerance for cut panels
Table 8 – Rectangularity of cut panels
15 7.2 Flexural strength
7.3 Flammability
7.4 Water absorption
Table 9 – Flexural strength
Table 10 – Flammability
16 7.5 Measling
7.6 Glass transition temperature and cure factor
8 Quality assurance
8.1 Quality system
Table 11 – Water absorption
Table 12 – Measling
Table 13 – Glass transition temperature and cure factor
17 8.2 Responsibility for inspection
8.3 Qualification inspection
8.4 Quality conformance inspection
8.5 Certificate of conformance
8.6 Safety data sheet
8.7 Packaging and marking
18 9 Ordering information
19 Annex A (informative) Engineering information
21 Annex B (informative) Common laminate constructions
Table B.1 – Thickness
22 Annex C (informative) Guideline for qualification and conformance inspection
Table C.1 – Qualification and conformance testing
23 Bibliography

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BS EN 61249-2-30:2013
$142.49