Enhanced TDS
Knowde-enriched technical product data sheet
Identification & Functionality
- Chemical Family
- Fillers Included
- Polymer Name
- Plastics & Elastomers Functions
- Technologies
- Product Families
Features & Benefits
- Materials Features
- Key Features
- It has excellent moisture resistance, thermal cycling stability and outstanding moldability.
- Parts molded from this material do not support fungus growth.
- It is available in a wide flow range to suit custom molding requirements. E4920 can be supplied in black, gold, green or red.
Applications & Uses
- Markets
- Applications
- Plastics & Elastomers End Uses
- Product Applications
It is designed for encapsulation of passive devices such as capacitors, inductors, diodes and rectifiers
Properties
- Color
- Flame Rating
- Physical Form
- Flame Rating
- UL 94 V0
- Mechanical Properties
Value Units Test Method / Conditions Flexural Strength 15000 psi - Flexural Modulus 2.0 x 10⁶ psi - Compressive Strength 35000 psi - Tensile Strength 12000 psi - Impact Strength (Izod Notched) 0.5 ft-lb / inch - Barcol Hardness 65 - - - Thermal Properties
Value Units Test Method / Conditions Heat Deflection Temperature 260 °C - Glass Transition Temperature (Tg) 175 °C - Coefficient of Linear Expansion (Alpha 1) 25 x 10⁻⁶ °C - Coefficient of Linear Expansion (Alpha 2) 70 x 10⁻⁶ °C - Thermal Conductivity 16 x 10⁻⁴ cal/sec/cm²/°C/cm - - Electrical Properties
Value Units Test Method / Conditions Arc Resistance 180 seconds - Volume Resistance 1 x 10¹⁵ Ohm - cm - Surface Resistance 1 x 10¹⁵ Ohm - cm - Dielectric Strength (Kv Step-by-Step, Wet) 350 volts/mil - Dielectric Breakdown (Step-by-Step, Wet) 56 Kv - Dielectric Constant (at 1 KHz, Wet) 3.9 - - Dissipation Factor (at 1KHz, Wet) 0.012 - - Dielectric Constant (at 1 MHz, Wet) 4.3 - - Dissipation Factor (at 1MHz, Wet) 0.011 - - - Moisture Properties
Value Units Test Method / Conditions Water Absorption (at 50 °C,48 hours) 0.25 % - - Processing Information (Molding)
Value Units Test Method / Conditions Specific Gravity 1.85 - - Bulk Factor 2 - 5 - - Molding Pressure 500 - 8,000 psi - Molding Temperature 150 - 180 °C - Mold Shrinkage 0.002 - 0.004 In / In -
Regulatory & Compliance
Storage & Handling
- Shelf Life
- 8 months
- Shelf Life Conditions
It has a shelf life of eight months when stored at 5°C