BZ-6806-6-3R – a two-component polyurethane encapsulant designed for rapid insulation, sealing, and moisture protection in power supplies, industrial controllers, power tool PCBs, and EV converters. With UL94 V-0 rating, fast cure, and improved thermal conductivity, it boosts throughput and meets rigorous safety norms. RoHS-compliant, it performs reliably from -40°C to 120°C, with water absorption ≤0.5% for enduring high-power use.
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Parameters |
Hardener BZ-6806-6-3R A |
Resin BZ-6806-6-3R B |
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Before curing |
Appearance |
Brown liquid |
Black liquid |
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Viscosity(mPa·s.25℃) |
400±150 |
12000±5000 |
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Initial mixed viscosity(mPa·s.25℃) |
2800±800 |
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Density(g/cm³.25℃) |
1.20±0.05 |
1.65±0.05 |
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Mixing & Curing
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Mix ratio(by weight) |
A:B=1:5 |
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Pot life 130±30g(min.25℃) |
10-60 (Adjustable for process/temperature ) |
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Curing condition |
Room temperature curing |
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Surface drying time 30g(H.25℃) |
0.5-2 (Adjustable for process/temperature ) |
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Curing time 30g(H.25℃) |
2-6 (Adjustable for process/temperature ) |
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Curing time(Heated) |
60℃ heated ≤20 min |
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After curing
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Color |
Black |
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Hardness (Shore A) |
73±10 |
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Temperature resistance(℃) |
-40~120℃ |
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Flame retardancy UL94
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V0 |
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Thermal conductivity(W/m.k) |
≥0.50 |
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Water absorption(24H) |
≤0.5% |
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Surface resistivity(Ω/sq) |
≥1.0×1011 |
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Volume resistivity(Ω.cm) |
≥1.0×1010 |
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Tensile strength(MPa) |
≥2 |
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Dielectric constant(at 50Hz) |
≥4 |
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Breakdown voltage(kV/mm) |
≥15 |
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