Environment Friendly PU Potting Compound For Transformer TSCA Certified BZ-519-6

(Essential) Eco-Friendly UV-Resistant Transparent Flexible PU Potting Compound                                

BZ-519-6 is a high-clarity, flexible polyurethane potting resin formulated for 5-year outdoor UV endurance. It meets RoHS, REACH, and TSCA, while complying with automotive-grade VCO tube standards. Engineered for LED lighting strips and automotive lighting modules, it delivers outstanding flexibility and protective performance in transparent encapsulation.

Key Product Features

1.  Two-component, moderately flowable system—suited for manual or automated dispensing with smooth impregnation.
2. Free of lead and mercury, with low VOC aligned to EU directives.
3. Superior weatherability and anti-UV performance, rated for 5-year outdoor service life.
4. Exceptional elasticity and tear strength, featuring elongation at break exceeding 200%.

Technical Parameters 

Product Applications

1. LED Flexible Strip Light: High flexibility for bendable installation, strong adhesion, reliable LED/FPC protection, and food-grade environmental compliance.
2. LED Outdoor Lighting: 5-year anti-yellowing, excellent thermal shock resistance across temperatures, IP68-rated waterproof, suitable for prolonged outdoor exposure.

Directions for Use

1. Pre-potting Preparation: Calibrate scales, prepare potting tools, cleaning tools, check machine settings, check vacuum pump force, etc. 
2. Product Pre-treatment: Place product on a level surface or fixture. Remove dust, clean, degrease, and dry if necessary.
3. 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.
4. Mixing & Stirring: Manual operation requires thorough stirring or using electric stirrers to ensure homogeneous mixing. Machine potting requires sufficient stirring speed, adjust as needed.
5. Uniform Potting: Manual operation should be done in small, multiple batches to ensure uniformity. Machine potting should follow the programmed path for quantitative dispensing.
6. Inspection or Secondary Potting: After potting, visually inspect as needed. Perform touch-up, bubble removal, or secondary potting if required.
7. 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.
8. Final Product Confirmation: Perform visual inspection and performance testing as required by the customer.

Packing & Shipping & Storage

1. Hardener: Typically 5KG/ 10KG / 20KG/ 200KG metal or plastic drums.
2. Resin: Typically 5KG/ 10KG / 20KG / 200KG metal or plastic drums.
3. Store and transport as a general chemical product.
4. Store sealed, protected from light at room temperature. Shelf life varies from 6 to 12 months depending on packaging; please refer to the expiry date on the shipping package.
5. When temperature drops to 15°C or lower, the hardener or resin should be stored in a warm place or heated before use for potting. Specific heating recommendations depend on the temperature drop; please communicate and consult with us.

FAQ

Q1: Is the compound easy to apply and cure? 

A1: Yes, the potting compound has good flow characteristics for easy application and typically cures at room temperature, forming a tough and flexible protective layer.

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: What are the main features of the Weather-Resistant Transparent Polyurethane Potting Compounds? 

A3: 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.

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.