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| Place of Origin: | China |
| Brand Name: | BZ-Bai Zhuang |
| Certification: | UL File: QMFZ2.E352175 |
| Model Number: | 211 |
| Document: | BZ-211 _ UL Product iQ.pdf |
BZ-211 is a flame-retardant, optically transparent two-component polyurethane system formulated for LED strips, linear luminaires, and sensor modules. It offers dependable fire protection and stable dimensional behavior over a wide temperature window, safeguarding sensitive electronics against moisture, dust, and thermal cycling while preserving long-term optical and mechanical performance.
| Parameters | Hardener BZ-211A |
Resin BZ-211B |
|
|---|---|---|---|
| Before curing | Appearance | Clear liquid | Clear liquid |
| Viscosity(cps.25℃) | 5000±1500 | 1600±400 | |
| Initial mixed viscosity(cps.25℃) | 2000±1000 | ||
| Density(g/cm³.25℃) | 1.11±0.05 | 1.03±0.05 | |
| Mixing & Curing |
Mix ratio(by weight) | A:B=1:1 | |
| Pot life 130±30g(min.25℃) | 25-40min | ||
| Curing condition | Room temperature curing | ||
| Surface drying time 30g(H.25℃) | 6-10 | ||
| Curing time 30g(H.25℃) | 12-16 | ||
| Curing time 30g(Heated) | Heated curing isn’t advised | ||
| After curing | Hardness (Shore A) | 55±5 | |
| Temperature resistance(℃) | -40~85℃ | ||
| Water absorption(24H) | ≤1.0% | ||
| Surface resistivity (Ω/sq) | ≥1.0*1012 | ||
| Volume resistivity (Ω.cm) | ≥1.0*1012 | ||
| Tensile strength(MPa) | ≥3 | ||
| Elongation at break(%) | ≥100% | ||
| Dielectric constant(at 50Hz) | ≥8 | ||
| Breakdown voltage(kV/mm) | ≥14 | ||
Q1: What are the main features of the Weather-Resistant Transparent Polyurethane Potting Compounds?
A1: This potting compound offers excellent weather resistance, high transparency, strong adhesion, and durability, making it ideal for protecting electronic components from moisture, dust, and environmental damage.
Q2: Can this potting compound be used for outdoor electronic applications?
A2: Yes, the weather-resistant properties of this transparent polyurethane potting compound make it suitable for outdoor use, providing protection against UV rays, rain, and temperature fluctuations.
Q3: Is the compound easy to apply and cure?
A3: Yes, the potting compound has good flow characteristics for easy application and typically cures at room temperature, forming a tough and flexible protective layer.
Q4: Does the transparent nature of the compound affect its protective qualities?
A4: No, the transparency of the polyurethane potting compound does not compromise its protective features; it still provides excellent insulation and environmental protection while allowing visual inspection of the encapsulated components.
Q5: What types of electronics are compatible with this potting compound?
A5: It is compatible with a wide range of electronic components, including circuit boards, sensors, connectors, and LED assemblies, especially those requiring clear encapsulation and protection from harsh environmental conditions.
