Home Raceway, Duct, Conduit Wire Duct Technical Characteristics of Materials

Technical Characteristics of Wire Duct Materials  Betaduct

Material Rigid PVC Polypropylene Polyamide 6 Polyethylene Flame Retardant Polyethylene
Technical Characteristics Test Standard Unit of Measure  
Chemical-Physical Properties
Specific gravity DIN 53479 g/cm³ 1.55 1.01 1.14 0.92 0.97
Formaldehyde - ppm absent absent - absent absent
Cadmium - ppm absent absent - £10 £10
Mechanical Properties
Tensile stress at break DIN 53455 MPa 39 28 45 17 15
Elongation at break DIN 53455 % 130 200 250 400 600
Modulus of elasticity DIN 53457 MPa 3200 1700 1100 340 1400
Thermal Properties
Temperature VICAT DIN 53460 ºC 84 95 198 90 95
HDT ISO 75 R °C 73 60 68 40 50
Continuous Operation Temp - °C 65 100 70 70 85
Electrical Properties
Dielectric constant DIN 53483 - 3.4 2.5 5.0 2.5 2.3
Dielectric strength DIN 53481 kV/mm 35 25 30 14 14
Surface resistance IEC 93 Ohm 1013 1013 1012 1013 1012
Self-Extinguishing
Self-Extinguishing UL 94 3.2 mil. UL 94 - V-0 V-0 V-2 HB V-1
Self-Extinguishing UL 94 1.6 mil. UL 94 - V-0 V-0 - HB V-2
Hot Wire Test (2mm) CEI 50-11 °C 960 960 650 650 850
CSTB Classification CSTB - M1 - - - M3
Oxygen number ASTM D 2863 % 43 30 25 17.5 25

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