Item Name: 1536 Electrical Potting Sealant
Manufacturer: H.B. Fuller
Technologies: Neutral alkoxy-cure silicone
Color: Transparent
Cure Type: Room temperature, moisture-cured
Package Size: Contact to Techniq VN for details.
Shelf Life: 9 months
1536 Electrical Potting Sealant is a transparent, flowable, one-component neutral alkoxy-cure silicone sealant. It cures at room temperature through exposure to moisture in the atmosphere. The sealant is low-odor, solvent-free, and provides high performance in insulation, excellent adhesion to glass, ABS, and PCB substrates, with superior resistance to thermal cycling, damp-heat, and damp-freezing.
Electrical potting and sealing
Insulation for PCB, glass, and ABS substrates
Applications requiring high resistance to thermal and humidity stress
| Property | Value | Test Method / Condition |
|---|---|---|
| Viscosity | 8,000–11,000 cPs | Brookfield LVDV-Ⅰ -64#/30RPM |
| Density | 1.04 ± 0.05 g/cm³ (before cure) | — |
| Tack Free Time | 5–20 min | 23±2°C, 50±5% RH |
| Cure Depth / 24 h | 2 mm | 23±2°C, 50±5% RH |
| Hardness (Shore A) | 30 ± 5 | ISO 7619 |
| Tensile Strength | 2.0 MPa | ISO 37 |
| Elongation to Break | 220% | ISO 37 |
| Volume Resistivity | 1.0 × 10¹⁴ Ω·cm | IEC 60093 |
| Breakdown Voltage | 15 kV/mm | IEC 60243-1 |
| Appearance / Consistency | Transparent, flowable | — |
| Curing | Moisture-cured at ambient temperature | — |
| Components | One-component | — |
| Storage Conditions | ≤28°C, dry, unopened container | — |
| Shelf Life | 9 months | — |
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