Knowde Enhanced TDS
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
- Flame Rating
- Flame Rating
- UL 94 V0
- Mechanical Properties
- Thermal Properties
- Electrical Properties
- Moisture Properties
- Processing Information (Molding)
| 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 | — | — |
| 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 | — |
| 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 | — | — |
| Value | Units | Test Method / Conditions | |
| Water Absorption (at 50 °C,48 hours) | 0.25 | % | — |
| 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