3M Scotchcast™ 8 Semiflexible Epoxy Electrical Resin
- MFR #Scotchcast™ 8
- EIS #PH21-Scotchcast 8
$1,563.81 - $5,558.87
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| Stock Status | ||||
|---|---|---|---|---|
 | 40 lb | Semiflexible, Part B | $ / Pail | |
| 40 lb | Semiflexible, Part A | $ / Pail |
The epoxy resin system offers long pot life, low viscosity, a 1:1 mix ratio (by weight), Class B (130 °C) temperature rating, and is commonly used to coat printed circuit boards, pot connectors, and impregnate electrical and electronic components. Because of its low exotherm, resin 8 is also frequently specified for impregnating and encapsulating temperature sensitive units. - 3M™ Scotchcast™ electrical resin 8 is a low-stress, highly moisture-resistant compound that cures at room temperature.
Features
- Low exotherm
- High moisture resistance
- Highly resistant to mechanical and thermal shock
- Extended pot life
- 15 x 10^-5 Length/unit length/°C coefficient of linear thermal expansion
- 700 psi compressive strength
- 7.75 lbs mechanical shock
- 4.4 at 900 Hz 23 °C dielectric constant
- 0.09 at 1000 Hz 23 °C dissipation factor
- 10^13 Ohm-cm at 23 °C volume resistivity
- Epoxy liquid resin
- Flash Point: A = 204 °C, B = 201 °C
- Viscosity: 7000 cps at 23 °C/73 °F
- Density: A = 1.160 kg/l, B = 0.995 kg/l
- Temperature Rating: Class B (< or equal 130 °C)
- Thermal Conductivity: 4.2 x 10^-4 Cal/sec/cm^2/°C/cm
- Viscosity - Part-B: 4000 cps at 23 °C/73 °F
General Information
| Item Name | Epoxy Electrical Resin |
| Trade Name | Scotchcast™ |
| Series | Scotchcast™ 8 |
Design & Construction
| Base Type | Epoxy |
| Color | Clear/Amber |
| Cure Type | Room Temperature |
| Form | Liquid |
Performance Details
| Flexural Strength | 875 psi |
| Gel Time | 30 min |
| Moisture Absorption | 1.6% Weight Increase 240 hr at 96% R.H |
| Tensile Strength | 1700 psi |
Chemical Properties
| Mixing Ratio | 1:1 (Weight), 46:54 (Volume %) |
| Specific Gravity | 1.12 |
| Viscosity | 7000 cP |
| Viscosity - Part-A | 12500 cP |
| Viscosity - Part-B | 4000 cP |
Electrical Properties
| Dielectric Strength | 325 V/mil |
Physical Properties
| Elongation | 75% at Break |
| Hardness | 68 Shore D |
Environmental Condition
| Temperature Rating | 130 °C |