This page contains a Flash digital edition of a book.
testing | LSHF materials


ated series and MIL DTL-24643C Part 3.3 (NEMA WC57) - are the source of some of the confusion regarding the halogen content of cable and materials. In particular, there is still an incorrect association with IEC 60754-1, “Test on gases evolved during combustion of materials from cables – Part 1: Determination of the halogen acid gas content,” and IEC 60754-2, “Test on gases evolved during combustion of materials from cables – Part 2: Determination of acidity (by pH measurement) and conductivity.” These standards do not test for or reference


A smoke density test installation at UL


fluorine, chlorine, bromine, astatine and iodine. Three of these primary elements - chlorine, bromine and fluorine - are found in cable insulation, filler and jacket materials/components.


The major LSHF standards The four predominant wire and cable industry standards - IEC 60754-1, IEC 60754-2, IEC 61249-2 Non-halogen-


See you at:


chlorine, bromine or fluorine content levels; they are methods to test the halogen acid content (via a titration method in the case of IEC 60754-1 and by pH and conductivity for IEC 60754-2) established from the combustion of the tested material. Also, for IEC 60754-2, the minimum pH value of 4.3 and maximum conductivity of 10 µS/mm are described as “recom- mended performance requirements” as shown in Annex A. This implies that these requirements are “sugges- tive” as opposed to “normative” requirements. IEC recently developed the LSHF 62821-1, -2 & -3 standard series, “Electric Cables – Halogen Free,


Booth 14 13-14 December 2016, Philadelphia


Polymers


Enhancing conductivity ENSACO


CONDUCTIVE CARBON BLACK ®


TIMCAL Carbon Black


• electrical conductivity • easy-dispersion • high purity


For electronic packaging, fuel hoses, fl ooring, power cables and accessories, conveying belts, ATEX applications.


GRAPHITE AND EXPANDED GRAPHITE ®


TIMREX TIMCAL Graphite


• thermal conductivity • electrical conductivity • lubrication


For seals, water-meters, heat sinks, geothermal pipes, LED light sockets, primers for electrostatic painting, gas barrier properties.


imerys-graphite-and-carbon.com

Page 1  |  Page 2  |  Page 3  |  Page 4  |  Page 5  |  Page 6  |  Page 7  |  Page 8  |  Page 9  |  Page 10  |  Page 11  |  Page 12  |  Page 13  |  Page 14  |  Page 15  |  Page 16  |  Page 17  |  Page 18  |  Page 19  |  Page 20  |  Page 21  |  Page 22  |  Page 23  |  Page 24  |  Page 25  |  Page 26  |  Page 27  |  Page 28  |  Page 29  |  Page 30  |  Page 31  |  Page 32  |  Page 33  |  Page 34  |  Page 35  |  Page 36  |  Page 37  |  Page 38  |  Page 39  |  Page 40  |  Page 41  |  Page 42  |  Page 43  |  Page 44  |  Page 45  |  Page 46  |  Page 47  |  Page 48  |  Page 49  |  Page 50  |  Page 51  |  Page 52  |  Page 53  |  Page 54  |  Page 55  |  Page 56  |  Page 57  |  Page 58  |  Page 59  |  Page 60  |  Page 61  |  Page 62  |  Page 63  |  Page 64  |  Page 65  |  Page 66  |  Page 67  |  Page 68  |  Page 69  |  Page 70  |  Page 71  |  Page 72  |  Page 73  |  Page 74  |  Page 75  |  Page 76  |  Page 77  |  Page 78  |  Page 79  |  Page 80  |  Page 81  |  Page 82  |  Page 83  |  Page 84  |  Page 85  |  Page 86  |  Page 87  |  Page 88  |  Page 89  |  Page 90  |  Page 91  |  Page 92