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Duresco NU 514 K/NU 514 L

Duresco NU 514 K/NU 514 L is a Flame retardant epoxy molding compound with good mechanical properties, excellent chemical and high tracking resistance.

Polymer Name: Epoxy Resins & Compounds

Processing Methods: Injection Molding, Transfer Molding

End Uses: Bushings, Connectors, Electrical Connectors, Electrical Housing, Electrical Insulation, Housings, Ignition Components, Switches

Volume Resistivity: 1000000000000.0 - 1000000000000.0 Ohm-m

Flexural Strength: 150.0 - 150.0 MPa

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Identification & Functionality

Plastics & Elastomers Functions
Technologies

Features & Benefits

Applications & Uses

Plastics & Elastomers Processing Methods
Applications

Electro insulation material for Bushings, Connectors, Ex-proof applications, Insulators, Switches .Suitable also for applications with high radiation exposure.

Processing methods

Transfer and injection molding.

Properties

Mechanical Properties
ValueUnitsTest Method / Conditions
Tensile Strength80MPaISO 527
Flexural Strength150MPaISO 178
Surface Strain1.2%ISO 178
E-Modulus (Flexural Test)14’000MPaISO 178
Impact Strength12kJ/m2ISO 179-1
Notched Impact Strength4kJ/m2ISO 179-1
Thermal Properties
ValueUnitsTest Method / Conditions
Density1.9g/cm3DIN 53479
Water Absorption (100°C/30Min)0.06%ISO 62
Glass Transition Temperature160°CISO 6721
Temperature-Time Limit Ti (Flexural Strength) (20’000H)180°CIEC 60216
Thermal Conductivity0.7W/mKISO 8894
Coefficient Of Thermal Expansion (20-105°C)25ppm/KISO 11359-2
Flame Retardancy (D = 1.5Mm)V-0ClassUL 94
Electrical Properties
ValueUnitsTest Method / Conditions
Volume Resistivity1014ΩcmIEC 60093
Dielectric Loss Factor Tan Δ (At 50Hz,25°C)2%IEC 60250
Dielectric Constant Εr (At 25°C,50Hz)5.650 HzIEC 60250
Electric Strength (3Mm Plate)22kV/mmIEC 60243-1
Comparative Tracking Index600CTIIEC 60112
Comparative Tracking Index600CTI-MIEC 60112

Storage & Handling

Shelf Life

12 months at temperatures below 8°C.