Technical datasheet

Cogegum® GFR/340

Supplied byPadanaplast- Last Updated on Sep 19, 2025

Cogegum® GFR/340 by Padanaplast is a crosslinkable halogen-free flame retardant polyolefin (XLPO-HFFR) resin. This insulating silane grafted compound is an ambient temperature moisture curable (by addition of a catalyst masterbatch (Siloplas® method) compound. Shows resistance to alkali, acids & drilling mud, chemical resistance, weatherability and hot deformation resistance. Exhibits low smoke emission, low toxicity and self-extinguishing properties without halogendric acids evolution, toxic and corrosive gas emission. It can withstand severe temperature conditions occurring due to environmental characteristics or due to the heat generated by the electric device itself. Designed for processing by extrusion and compression molding. Cogegum® GFR/340 is applicable for wire & cable applications such as cable jacketing & sheathing, low voltage insulation, PV solar cable (according to TUV and UL standards) and railway, shipboard & naval cable. It is a special grade for EI5 application, building wire H07Z, BS7211 & fire survivor cable. Complies with RoHS regulations.
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Cogegum® GFR/340 properties

Electrical properties

PropertiesValue & unitTest conditionTest method
Insulation Resistance Constant0.0 Visible After LoginVisible After LoginVisible After Login
Insulation Resistance Constant0.0 Visible After LoginVisible After LoginVisible After Login
Volume Resistivity0.0 Visible After LoginVisible After LoginVisible After Login
Volume Resistivity0.0 Visible After LoginVisible After LoginVisible After Login

Flammability properties

PropertiesValue & unitTest conditionTest method
Calorific Potential - Upper (gross)0.0 Visible After LoginVisible After LoginVisible After Login
Halogenidric Acid Emissions0.0 Visible After LoginVisible After LoginVisible After Login
Limiting Oxygen Index (LOI)0.0 Visible After LoginVisible After LoginVisible After Login
Temperature Index (Burning)0.0 Visible After LoginVisible After LoginVisible After Login

Mechanical properties

PropertiesValue & unitTest conditionTest method
Elongation at Break0.0 Visible After LoginVisible After LoginVisible After Login
Hardness, Shore D0.0 Visible After LoginVisible After LoginVisible After Login
Tensile Strength at Break0.0 Visible After LoginVisible After LoginVisible After Login

Other properties

PropertiesValue & unitTest conditionTest method
Electrical Conductivity0.0 Visible After LoginVisible After LoginVisible After Login
pH0.0 Visible After LoginVisible After LoginVisible After Login

Physical properties

PropertiesValue & unitTest conditionTest method
Density0.0 Visible After LoginVisible After LoginVisible After Login
Environmental Stress Cracking Resistance (ESCR)0.0 Visible After LoginVisible After LoginVisible After Login
Melt Mass-Flow Rate (MFR or MFI = Melt Flow Index or MI = Melt Index)0.0 Visible After LoginVisible After LoginVisible After Login
Water Absorption0.0 Visible After LoginVisible After LoginVisible After Login

Thermal properties

PropertiesValue & unitTest conditionTest method
Hot Air Shrinkage0.0 Visible After LoginVisible After LoginVisible After Login
Hot Pressure Test0.0 Visible After LoginVisible After LoginVisible After Login

Cogegum® GFR/340 Processing Guidelines

Extrusion Processing Guidelines

PropertiesValue & unitTest conditionTest method
Barrel Zone 1 TemperatureVisible After LoginVisible After Login
Barrel Zone 2 TemperatureVisible After LoginVisible After Login
Barrel Zone 3 TemperatureVisible After LoginVisible After Login
Barrel Zone 4 TemperatureVisible After LoginVisible After Login
Collar TemperatureVisible After LoginVisible After Login
Compression ratioVisible After LoginVisible After Login
Die TemperatureVisible After LoginVisible After Login
Head TemperatureVisible After LoginVisible After Login
L/D RatioVisible After LoginVisible After Login
Pre-Drying TemperatureVisible After LoginVisible After Login
Pre-drying TimeVisible After LoginVisible After Login

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