Lucofin® 7440 HFFR

Category: Polyolefin, Unspecified , Polyolefin
Manufacturer: Lucobit AG
Trademark: Lucofin®
Fillers: -
Ports: Qinzhou, Shekou, Shanghai, Ningbo
Delivery Terms FOB, CIF, DAP, DAT, DDP
PDF: 0r0y10_Lucofin-7440-HFFR.pdf
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Product description
Lucofin® 7440 HFFR is a thermoplastic, halogen free flame retardant and low smoke compound for the insulation and/or sheating of cables. Lucofin® 7440 HFFR combines good extrusion properties with flame retardancy.

The properties of Lucofin® 7440 HFFR are in compliance with VDE 0207 part 24(HM 2/4), VDE 0207 part 23 (HJ2), BS 6724 as well as other power and telecom standards.

Applications and markets
Target markets include -among others- power and telecom cables as well as construction and optical fiber cables. Lucofin® 7440 HFFR is designed in order to avoid both smoke and corrosive gases in case of a fire. Cables in trains, ships, tunnels, office buildings, public houses and off-shore installations are only some examples.

Due to its low water absorption, excellent low temperature properties and good ageing resistance Lucofin® 7440 HFFR is specifically suited for the following applications:

Cables in wet areas
  • Ships and marine
  • Outdoor
  • Channels
  • Off-shore

Cables in cold areas
  • Regions with harsh winters
  • Refrigerated rooms
  • Outdoor
  • Snowy/icy conditions

Cables in hot areas
  • Regions with long summers
  • Outdoor
  • Areas at elevated temperatures
  • Long life time required

Packaging
Granules in 25 kg bags
General Information
Additive
  • Flame retardancy
Features
  • Low smoke
  • Halogen-free
  • Flame retardancy
Uses
  • Cable sheath
  • Optical fiber cable
  • Insulation shield
  • Communication Equipment
Agency Ratings
  • BS 6724
  • VDE 207 part 23 (HJ2)
  • VDE 207 part 24(HM 2/4)
Processing Method
  • Extrusion
PhysicalNominal ValueUnitTest Method
Density 1.44g/cm³ISO 1183
Melt Mass-Flow Rate (MFR) (150°C/21.6 kg)6.5g/10 minISO 1133
Water Absorption 1(70°C)0.500mg/cm²IEC 60811-1-3
pH 6.0
MechanicalNominal ValueUnitTest Method
Elongation at break- variation from original 2(70°C)-3.0%
Tensile strength- variation from original 3(70°C)-11%
AgingNominal ValueUnitTest Method
Tensile strength retention rate 94%BS 6724
Elongation retention rate- at break 97%BS 6724
ThermalNominal ValueUnitTest Method
Cold Elongation 120%IEC 60811-1-4
Hot pressing test 4(90°C)10%IEC 60811-3-1
ElectricalNominal ValueUnitTest Method
Conductivity 3.20µS/cm
FlammabilityNominal ValueUnitTest Method
Halogen Content mg/gIEC 754-1
Toxicity 2.80EN 50305
PhysicalNominal ValueUnitTest Method
Mooney Viscosity (ML 1+4, 140°C)40MUASTM D792
HardnessNominal ValueUnitTest Method
Durometer Hardness (Shore D)52ISO 868
MechanicalNominal ValueUnitTest Method
Tensile Stress IEC 60811-1-1
    -- 11.5MPaIEC 60811-1-1
    110°C 510.8MPaIEC 60811-1-1
Tensile Strain IEC 60811-1-1
    Fracture 190%IEC 60811-1-1
    Fracture, 110°C 6160%IEC 60811-1-1
ElectricalNominal ValueUnitTest Method
Surface Resistivity IEC 60093
    -- 71.7E+14ohmsIEC 60093
    -- 84.1E+14ohmsIEC 60093
Volume Resistivity IEC 60093
    -- 96.9E+14ohms·cmIEC 60093
    70°C 102.1E+14ohms·cmIEC 60093
Dielectric Constant IEC 60250
    50 Hz 113.60IEC 60250
    20°C, 50 Hz 125.30IEC 60250
Dissipation Factor IEC 60250
    50 Hz 137.4E-3IEC 60250
    20°C, 50 Hz 140.064IEC 60250
FlammabilityNominal ValueUnitTest Method
Oxygen Index 38%ISO 4589-2
ExtrusionNominal ValueUnit
Cylinder Zone 1 Temp. 135°C
Cylinder Zone 2 Temp. 150°C
Cylinder Zone 3 Temp. 165°C
Cylinder Zone 4 Temp. 175°C
Cylinder Zone 5 Temp. 190°C
Melt Temperature 200 - 220°C
Die Temperature 200°C
Note Message
1 .10 days
2 .Oil Ageing IRM 902, 4 h
3 .Oil Ageing IRM 902, 4 h
4 .4 hours
5 .Aged 7 days
6 .Aged 7 days
7 .70°C, 7 days duration of water immersion
8 .0 h duration of water immersion
9 .0 h duration of water immersion
10 .7 days duration of water immersion
11 .0 h duration of water immersion
12 .24 h duration of water immersion
13 .0 h duration of water immersion
14 .24 h duration of water immersion
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