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URM 67 LSF
Product Name/Code : URM 67 LSF
 
Electrical Performance
Application : Max.Conductor DC Resistance at 20 ℃（ Ω/Km ） 3 8.40 5.71
For communication and signal control systems. Min.Insulation DC Resistance at 20 ℃（ MΩ*Km ） >500 >500
Reference Standard Operating Temperature( ℃ ) -20-60 60
Customer's sample spec .and the general standard Voltage Rating(V) 500 1000
Cable Construction Capacitance(pF/m) +/-3 100
Center Conductor Bare Copper
Strand 0.77/7 Velocity ratio(%) 66.60
Dia.(mm) 2.35 +/-5% Impedance( Ω ) +/-3 50
Insulation Solid PE Attenuation at 20 ℃ (dB/100m)  
Nom. Thickness(mm) 2.45 200 MHz 9.8
Insulation Dia. (±0.03mm) 7.25 400 MHz 15.6
Insulation Color Nature 600 MHz 20
Screening Layer Bare Copper braid 800 MHz 22.8
Construction (stranded) 16/ 12 /0.18 1000 MHz 28
Braiding coverage 87%    
Sheathing LSF PVC    
Nom. Thickness(mm) 1.435    
Cable Dia.(±0.10mm) 10.30    
Jacket Color According to customer    
Sheathing Compound PVC/LSF/LSOH    
Core Identification/Color Code According to customer request    
Bending Radius 6xOverall Diameter    
Temperature Rating 70C    
Voltage Rating 300/500V    
Fire Performance    
Flame Propagation Test to IEC 60332 Part 1 ( PVC /LSOH)
Flame Propagation Test to IEC 60332 Part 1 and Part 3 ( FRPVC/LSFROH )
Determination of the amount Halogen Acid Gas to IEC 60754 Part 1 ( LSOH )
Smoke Density Test to IEC 61034 ( LSOH )
Oxygen Index Test to BS 2863 or ISO 4589-2 ( LSOH )
Temperature Index Test to BS 2782 or ISO 4589-3
( LSOH )