OEM Polyurethane Electrically Conductive Potting Compound Material For Electronics BZ-2318-1WK

High-Flexibility Transparent Polyurethane for Indoor & Mild Outdoor Electronics                                                                                                     

Product Description

BZ-2318-1WK is a two-component polyurethane encapsulant designed for indoor and mild outdoor electronic devices, offering exceptional flexibility, moderate viscosity, and reliable waterproofing for a wide range of applications. With a 1:1 weight mix ratio and Shore A hardness of 48±10, it provides low-stress protection and easy application for components operating in stable environmental conditions. This adhesive complies with RoHS and REACH standards, ensuring suitability for international markets and reducing environmental impact.

Key Product Features

1. Ultra-High Flexibility: ≥200% elongation at break and Shore A hardness of 48±10 provide superior shock absorption and vibration resistance, protecting delicate components in portable devices and equipment subject to frequent movement.
2. Dual Curing Options: Achieves full curing in 7–12 hours at 25°C, or accelerates to 1±0.5 hours at 60°C, supporting both low-volume manual production and high-volume automated manufacturing.
3. Excellent Electrical Insulation: ≥1.0×10¹⁰ Ω·cm volume resistivity and ≥15 kV/mm breakdown voltage ensure reliable electrical insulation, preventing short circuits and ensuring safe operation in electronic systems.
4. Wide Substrate Compatibility: Bonds effectively to metals, plastics, and electronic components, eliminating the need for surface treatments in most cases and reducing assembly complexity.
5. Cost-Effective Solution: Balanced performance and moderate pricing make it an ideal choice for high-volume production of consumer electronics and industrial equipment.
6. Easy Application: Moderate initial mixed viscosity (1800±500 cps) allows for both manual pouring and automated dispensing, ensuring uniform coverage of components with varying geometries.

Technical Parameters 

Product Applications

1. Indoor Smart Meters: Encapsulates control circuits and LCD displays in indoor smart water and electricity meters, providing protection against dust and moisture in residential and commercial environments.
2. .Portable Lighting Fixtures: Seals LED drivers and control circuits in portable flashlights and emergency lights, providing shock absorption and waterproofing for reliable operation in everyday use.
3. Consumer Electronics: Encapsulates circuit boards in smartphones, tablets, and wearables, providing shock absorption and protection against accidental spills and moisture.
4. Industrial Sensors: Encapsulates temperature and pressure sensors in indoor industrial automation equipment, providing protection against dust and moisture in factory environments.
5. Automotive Interior Electronics: Seals control modules and sensors in vehicle interiors, providing protection against vibration and temperature fluctuations while ensuring reliable performance in automotive systems.

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 & Shipping & Storage

Hardener: Typically 5KG/ 10KG / 20KG metal or plastic drums.

Resin: Typically 5KG/ 10KG / 20KG metal or plastic drums.

Store and transport as a general chemical product.

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.

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: 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.

Q2: 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.

Q3: 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.

Q4: 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.

Q5: 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.