UL94 V-0 certified White PU Potting for Electronic Components 6807 WT
BZ-6807(WT) is a premium white polyurethane potting compound with UL94 V-0 classification and RTI 130°C thermal rating, specifically developed for automotive electronics, vehicle subsystems, and low-altitude aircraft platforms. It delivers dependable flame retardation, thermal endurance, moisture/weather resistance, impact tolerance, and high dielectric strength to meet the most demanding protection requirements.
Key Product Features
1. User-Friendly Handling: Two-part white formulation with superior flow and wetting, compatible with both manual casting and automated dispensing equipment.
2. Global-Ready Compliance: Fully RoHS and REACH certified, simplifying international market entry with minimal regulatory friction.
3. Certified Fire/Thermal Integrity: UL94 V-0 listing and RTI-130°C recognition (UL Yellow Card QMFZ2.E352175) ensure proven safety under extreme conditions.
4. Versatile Performance Package: Integrates tenacious adhesion, wide-temperature stability, UV/weather resistance, high dielectric insulation, and robust mechanical durability.
5. Wide-Ranging Suitability: Engineered for automotive electronics, onboard controllers, sensor modules, and a broad spectrum of industrial electronic systems.
Technical Parameters
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Parameters |
Hardener BZ-6807(WT) A |
Resin BZ-6807(WT) B |
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Before curing |
Appearance |
Brown liquid |
White liquid |
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Viscosity(mPa·s.25℃) |
60-140 |
2850-5100 |
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Initial mixed viscosity(mPa·s.25℃) |
1150±300 |
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Density(g/cm³.25℃) |
1.21±0.05 |
1.53±0.05 |
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Mixing&Curing
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Mix ratio(by weight) |
A:B=20:100 |
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Pot life 130±30g(min.25℃) |
25±5 |
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Curing condition |
Room temperature curing |
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Surface drying time 30g(H.25℃) |
3-4.5 H |
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Curing time 30g(H.25℃) |
4-8 H |
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Curing time(Heated) |
60℃ heated 1H |
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After curing
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Color |
White |
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Hardness (Shore A) |
85±10 |
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Temperature resistance(℃) |
-40~130℃ |
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Flame retardancy UL94 (Vertical burning)
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V0 |
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Thermal conductivity(W/m.k) |
≥0.50 |
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Water absorption(24H) |
≤0.1% |
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Surface resistivity(Ω/sq) |
≥1.0×1013 |
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Volume resistivity(Ω.cm) |
≥1.0×1013 |
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Tensile strength(MPa) |
≥3 |
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Dielectric constant(at 50Hz) |
≥6 |
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Breakdown voltage(kV/mm) |
≥20 |
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Average Linear Coefficient of Thermal Expansion |
149×10-6K-1 |
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Comparative Tracking Index (CTI) |
Ⅰ/600V |
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Product Applications
- Low-Altitude Aircraft: Ultra-low density supports lightweight design, with flexible, durable properties and IP68 waterproofing for aerial use.
- Automotive Electronics: Delivers superior electrical performance, vibration resistance, V-0 flame retardancy, thermal stability, and long-term reliability for critical vehicle systems.
- Industrial Controllers & PCBs: RTI 130℃-rated high-temperature resilience, high thermal conductivity, efficient heat dissipation, and V-0 fire protection.
- Sensors: Low-density formulation, V-0 flame retardancy, low dielectric constant, and low-temperature tolerance for precision applications.
- General Electronics: V-0 flame retardancy, UL Yellow Card, and RTI 130℃ compliance, with electrical insulation and mechanical strength meeting most high-performance material needs.
Directions for Use
- Pre-potting Preparation: Calibrate scales, prepare potting tools, cleaning tools, check machine settings, check vacuum pump force, etc.
- Product Pre-treatment: Place product on a level surface or fixture. Remove dust, clean, degrease, and dry if necessary.
- Accurate Proportioning: Manual operation requires precise mixing according to the specified ratio and recording. Machine potting requires calibrated ratios and first-article confirmation is recommended.
- Mixing & Stirring: Manual operation requires thorough stirring or using electric stirrers to ensure homogeneous mixing. Machine potting requires sufficient stirring speed, adjust as needed.
- Uniform Potting: Manual operation should be done in small, multiple batches to ensure uniformity. Machine potting should follow the programmed path for quantitative dispensing.
- Inspection or Secondary Potting: After potting, visually inspect as needed. Perform touch-up, bubble removal, or secondary potting if required.
- Curing: Allow the potted and inspected products to cure at room temperature or with heat assistance (recommended 60°C if needed), according to product and process requirements.
- Final Product Confirmation: Perform visual inspection and performance testing as required by the customer.
Packing
- Hardener: Typically 5KG/10KG/25KG/200KG metal or plastic drums.
- Resin: Typically 25KG/200KG metal or plastic drums.
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