Melos FM 972 Flame-retardant bedding compounds for XLPE insulation and HFFR sheathing

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Melos FM 972 Flame-retardant bedding compounds for XLPE insulation and HFFR sheathing
Categories:	Polymer; Thermoplastic
Material Notes:	Flame-retardant bedding compounds for XLPE insulation and HFFR sheathing. Compound class: Bedding compound Based on: EPR Characteristics: Halogen free flame retardant Application examples: Insulation 2 YI 1 – 5; PE; acc. DIN / VDE 0207 part 2 9 YI 1; PP; acc. DIN / VDE 0207 part 7 YI 1 – 5; PVC; acc. DIN / VDE 0207 part 20 Application examples: Sheathing HM 4 – 2; HFFR; acc. DIN / VDE 0207 part 24 2 YM 3; HDPE; acc. DIN / VDE 0207 part 3 Typical applications: Bedding compound for cables and wire with max. 90°C operating temperature at conductor. Features: For tandem process; Flame retardant; Halogen-free Information provided by Melos
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Physical Properties	Original Value	Comments

Density	1.74 g/cc	pressed plaques, 100°C / 5 min.; DIN EN ISO 1183-1A
pH	>= 4.3	Corrosivity, pressed plaques, 100°C / 5 min.; IEC 60754-2
Mooney Viscosity	28 @Temperature 100 °C	ML (1+4); DIN ISO 289-1

Mechanical Properties	Original Value	Comments
Hardness, Shore A	75	pressed plaques, 100°C / 5 min.; DIN ISO 7619-1
Tensile Strength	>= 0.500 MPa	pressed plaques, 105°C / 5 min.; IEC 60811-501
Elongation at Break	>= 20 %	pressed plaques, 105°C / 5 min.; IEC 60811-501

Electrical Properties	Original Value	Comments
Volume Resistivity	>= 1.00e+12 ohm-cm @Temperature 27.0 °C	VDE 0472 Part 503
Surface Resistance	>= 1.00e+9 ohm @Temperature 23.0 °C	VDE 0472 Part 502

Processing Properties	Original Value	Comments
Processing Temperature	80.0 - 90.0 °C	Tool
	80.0 - 90.0 °C	Maximum mass temperature
Zone 1	60.0 - 70.0 °C
Zone 2	65.0 - 75.0 °C
Zone 3	65.0 - 75.0 °C
Zone 4	70.0 - 80.0 °C
Adapter Temperature	70.0 - 80.0 °C
Head Temperature	75.0 - 85.0 °C
Shelf Life	12.0 Month

Component Elements Properties	Original Value	Comments
Loss on Ignition(%)	50 %	pressed plaques, 100°C / 5 min.; ASTM D 2863 A

Descriptive Properties
Conductivity	=100 µS/mm	pressed plaques, 100°C / 5 min., IEC 60754-2
Main burning properties	7900 kJ/kg	Caloric Value Hu, DIN 51900-2
Screw	60-70°C
Temperature index	290°C	ISO 4589-3

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PMELOS073 / 296180

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