BZ-6806-2-1 is a two-component polyurethane potting system for filling, insulating, and sealing power supplies, controllers, and converters in new-energy vehicles. It offers adjustable cure profiles and multiple color choices, balancing process flexibility with fast-cycle production. Fully RoHS/REACH-compliant, it operates from –40°C to 120°C, with thermal conductivity ≥0.40 W/m·K and water absorption ≤0.5%, ensuring durable performance in high-power environments.
Key Product Features
1. V-0 Fire Rating: UL94 V-0 certified, reducing fire risk in sealed or high-density power assemblies.
2. Flexible Curing: Pot life 20–60 min; cures in 6–9 h at 25°C (adjustable) or ≤60 min at 60°C for high-volume throughput.
3. Strong Insulation: Breakdown voltage ≥15 kV/mm; surface resistivity ≥1.0×10¹¹ Ω/sq for secure component isolation.
4. Mechanical Toughness: Shore A 70±10, tensile ≥2 MPa – absorbs shock and accommodates thermal movement.
5. Color Options: Available in black, white, or beige to meet design and functional needs.
6. Global Compliance: Meets RoHS, REACH, and UL94 V-0, aligning with international automotive and electronics standards..
Technical Parameters
|
Parameters
|
Hardener
BZ-6806-2R A
|
Resin
BZ-6806-2R B
|
|
Before curing
|
Appearance
|
Brown liquid
|
Black/White/Beige liquid
|
|
Viscosity(mPa·s.25℃)
|
100±40
|
16500±5000
|
|
Initial mixed viscosity(mPa·s.25℃)
|
1600±500
|
|
Density(g/cm³.25℃)
|
1.07±0.05
|
1.54±0.05
|
|
Mixing
&
Curing
|
Mix ratio(by weight)
|
A:B=30:100
|
|
Pot life 130±30g(min.25℃)
|
20-60
(Adjustable for process/temperature )
|
|
Curing condition
|
Room temperature curing
|
|
Surface drying time 30g(H.25℃)
|
3-6.5
(Adjustable for process/temperature )
|
|
Curing time 30g(H.25℃)
|
6-9
(Adjustable for process/temperature )
|
|
Curing time(Heated)
|
60℃ heated ≤60 min
|
|
After curing
|
Color
|
Black/White/Beige
|
|
Hardness (Shore A)
|
70±5
|
|
Temperature resistance(℃)
|
-40~120℃
|
|
Flame retardancy UL94
|
V0
|
|
Thermal conductivity(W/m.k)
|
≥0.40
|
|
Water absorption(24H)
|
≤0.5%
|
|
Surface resistivity(Ω/sq)
|
≥1.0×1011
|
|
Volume resistivity(Ω.cm)
|
≥1.0×1010
|
|
Tensile strength(MPa)
|
≥2
|
|
Dielectric constant(at 50Hz)
|
≥4
|
|
Breakdown voltage(kV/mm)
|
≥15
|
Product Applications
- High-Safety Power Supplies: Encapsulates medical, server, and industrial inverter power units, meeting fire safety regulations.
- New Energy Vehicle Components: Insulates battery management systems, onboard chargers, and DC-DC converters against vibration and thermal swings.
- Industrial Controllers: Seals PLCs, motor drives, and power tool boards from dust and moisture in factory settings.
- Renewable Energy Systems: Protects solar inverters and wind turbine controllers for outdoor durability and fire safety.
- Telecom Infrastructure: Encapsulates base station power modules and signal processors, boosting reliability in enclosed cabinets.
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.
