WEVOPUR 403
- CASE Ingredients Features
- Flame RetardantGood Mechanical PropertiesHigh Impact ResistanceImproved HardnessLong PotlifeThermal Resistance
- Chemical Family
- Polyurethanes (PU)
WEVOPUR 403 is known for highly configurable reactivity and flow characteristics. Their adhesive properties ensure reliable bonding and sustained protection of electronic components against aggressive ambient conditions.
Identification
- CASE Ingredients Functions
- Binder & Resin
Product families
Applications
- Consumer Goods — Appliances & Electronics; Electrical & Electronics — Other Electrical & Electronics Applications
- Other Parts & Components
Product Families
- Polyurethanes (PU)
Other characteristics
- Brand
- WEVOPUR
- Features
Flame Retardant, Good Mechanical Properties, High Impact Resistance, Improved Hardness, Long Potlife, Thermal Resistance; Broad hardness range: Shore 00 to D 90; Adjustable flow properties; Filled and unfilled systems; Good temperature cycle behavior; Clear, UV-resistant systems; Low dielectric constant; Self-extinguishing systems in accordance with UL 94 V-0; Good adhesion not only on conventional thermoplastics, but also on high-performance plastics such as LCP, BMC, etc.; Operating temperature range: -60 °C to +165 °C; Pot life adjustable from 1 to 90 minutes; Thermal conductivity up to 2.0 W/m·K
- Glass Transition Temperature (Tg)
- -4.0 - -4.0 °C
- Markets
- Consumer Goods
- Electrical & Electronics
- Technology
- CASE Ingredients
Technical data
Table 1 of 2
18 rows| Characteristic | Value | Unit | Method |
|---|---|---|---|
| Density of Hardener at 22 °C | 1.20 –1.24 | g/cm³ | DIN EN ISO 2811-1:2016-08 |
| Glass Transition Temperature | –4 | °C | TMA ISO 11359-2:1999-10 |
| Volume Resistivity | 10^14 | Ω·cm | DIN EN 62631-3-1:2017-01 |
| Coefficient of Expansion (<–10 °C) | 42 | ppm/K | TMA ISO 11359-2:1999-10 |
| Coefficient of Expansion (>0 °C) | 146 | ppm/K | — |
| Density of Resin at 22 °C | 1.75 –1.79 | g/cm³ | DIN EN ISO 2811-1:2016-08 |
| Dielectric Constant ε (at 50 Hz, 23 °C) | 5.7 | — | DIN EN IEC 62631-2-1:2018-12 |
| Dielectric Strength | 30 | kV/mm | DIN EN 60243-1:2014-01 |
| E modulus | 116 | N/mm² | DIN EN ISO 527-2:2012-06 |
| Loss Factor tan δ (at 50 Hz, 23 °C) | 0.04 | — | DIN EN IEC 62631-2-1:2018-12 |
| Mixed Viscosity at 22 °C | 2500 – 3500 | mPa·s | Rotational viscometer |
| Mixing Ratio | 100 : 14 | Parts by Weight | — |
Table 2 of 2
1 row| Characteristic | Value | Method |
|---|---|---|
| Flammability | HB | UL 94 |
