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Cosmic Epoxy EH71

1 of 25 products in this brand
Cosmic Epoxy EH71 is an iron-filled epoxy molding compound available in a black granular form. It is well-suited for EMI/RFI shielding applications and can be used in either compression or transfer molding processes to create core rods or encapsulate surface mount and axial leaded inductors. The advantage of this material is its ability to streamline the manufacturing process by eliminating the labor-intensive over/under molding steps.

Polymer Name: Epoxy Resins & Compounds

Processing Methods: Compression Molding, Transfer Molding

End Uses: Core Rods, Encapsulant, Inductor

Knowde Enhanced TDS

Identification & Functionality

Fillers Included
Plastics & Elastomers Functions
Technologies

Features & Benefits

Key Features

This material flows easily under low pressure and provides good moldability.

Applications & Uses

Plastics & Elastomers End Uses
Plastics & Elastomers Processing Methods
Product Applications

This material is good for EMI / RFI shielding, and can be either compression or transfer molded to fabricate core rods, or to encapsulate surface mount and axial leaded inductors. This single molded compound eliminates the labor intensive over/under molding.

Properties

Color
Physical Form
Electrical Properties
ValueUnitsTest Method / Conditions
Inductance0.32 - 0.45Ls (μH)
Quality Factor6.3 - 7.4
Test Parameter
ValueUnitsTest Method / Conditions
Frequency1MHz
Specimen1/16Rod, inches
Wire Size0.008inches
Number of Turns25
Processing Information (Molding)
ValueUnitsTest Method / Conditions
Specific Gravity3.25
Bulk Factor25
Molding Pressure50 - 800psi
Molding Temperature130 - 180°C
Molding Temperature266 - 350°F
Spiral Range30 - 45inchesEMMI
Recommended Post Cure (at 160 °C)2 - 4hours

Regulatory & Compliance

Certifications & Compliance

Storage & Handling

Shelf Life
6 months
Storage and Shelf life Conditions
Storage Specification Data
Storage Life 5 °C (40 °F),months 6