ST3221 Two- Component Silicone Potting Compound
ST3221 is a high-performance, two-component silicone potting compound designed by GLUDITEC for the encapsulation and protection of sensitive electronic components. This clear silicone solution offers superior insulation and environmental resistance, ensuring the longevity of devices operating in demanding conditions.
Features and benefits
•No shrinkage and exotherm during cure
• Wide temperature range ( -50 to +200 Deg C )
• Good insulation
• Water and moisture-proof, noncorrosive
• High mechanical performance
• Clear silicone after curing
Specifications
| Property | Condition | Unit | Value | |
| Before curing | Appearance | Before curing | – | Clear (Part A & B) |
| Viscosity | Before curing | cps | Part A: 3500 to 4500 | |
| Before curing | cps | Part B: 10 to 20 | ||
| Density | Before curing | g/cm3 | 1.0±0.05 | |
| After mixing | Mixing Ratio (A:B) | Mixing | Weight | 10:01 |
| Mixing Viscosity | After mixing | cps | 1500 to 2500 | |
| Operation Time | – | min | 120 Min | |
| After curing | Hardness | After curing | Shore A | 50±5 |
| Dielectric Strength | After curing | kV/mm | 15 | |
| Volume Resistivity | After curing | Ω⋅cm | 1.0×1014 Min | |
| Dielectric Constant | 60 Hz | – | ≤4.0 | |
| Elongation | After curing | % | 80 Min |
Technical Documents
Technical Data Sheet
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