Liquid Silicone LED Connector Waterproof Jacket

# Liquid Silicone LED Connector Waterproof Jacket

Product of 橡楚（湖北）橡胶有限公司

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Product Overview

Liquid Silicone LED Connector Waterproof Jacket is a custom-molded sealing protection component manufactured by 橡楚（湖北）橡胶有限公司, specifically designed to prevent water, dust, moisture, and environmental contaminants from penetrating electrical connection points of outdoor and high-humidity LED lighting systems. Fabricated from high-purity injection-molded liquid silicone rubber (LSR), this component combines the excellent elasticity, weather resistance, and biocompatibility inherent to LSR to deliver long-term reliable sealing protection for LED connector assemblies.

As a professional manufacturer of Liquid Silicone Rubber (LSR) products based in湖北省鄂州市鄂城区经济开发区凡口街道内河巷54号, we focus on precise mold customization for LSR sealing components, and our LED connector waterproof jackets are engineered to match common industry connector specifications, with support for custom dimension and performance adjustments to meet unique project requirements. Unlike general-purpose rubber sealing parts, our LSR waterproof jackets maintain stable sealing performance across extreme temperature fluctuations and long-term UV exposure, making them ideal for harsh outdoor LED application environments.

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Technical Specifications

Material Properties

Our Liquid Silicone LED Connector Waterproof Jackets are produced from 100% pure food-contact grade platinum-cured liquid silicone rubber, with no added recycled rubber or harmful fillers. Key material properties are as follows:

Physical Performance

All finished products undergo ex-factory performance testing to ensure compliance with the following standard physical parameters:

Process Parameters

Our LSR waterproof jackets are produced via precision liquid injection molding, with the following controlled process parameters to ensure consistent part quality:

• Injection Molding Pressure: 8 MPa – 12 MPa
• Curing Temperature: 160°C – 180°C
• Curing Time: 30 seconds – 90 seconds (adjusted by part thickness)
• Post-Curing: 4 hours at 120°C to eliminate residual volatile compounds
• Dimensional Tolerance: ±0.05 mm for dimensions < 10 mm; ±0.1 mm for dimensions 10 – 50 mm (compliant with ISO 3302-1 M2 tolerance standard)

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Product Advantages

1. Long-Term Stable Waterproof Sealing Performance

The inherent low surface energy and permanent elasticity of LSR enable the waterproof jacket to maintain a consistent tight fit around LED connector interfaces, even after repeated temperature cycling and mechanical vibration. Unlike organic rubber materials that harden, crack, or degrade within 2 – 3 years of outdoor exposure, our LSR waterproof jackets retain more than 80% of their original elasticity and sealing performance after 5 years of outdoor use, eliminating the risk of water intrusion caused by material aging.

2. Precision Molding for Complex Connector Shapes

Liquid silicone rubber has excellent fluidity during injection molding, allowing us to replicate complex thin-wall profiles, custom groove structures, and integrated sealing ribs required for specific connector designs. This precision ensures a perfect match with connector housing dimensions, avoiding gaps that would compromise waterproof performance, which is difficult to achieve with molded solid silicone or extruded rubber products.

3. Excellent Environmental and Biochemical Compatibility

Platinum-cured LSR is non-toxic, odorless, and free of harmful plasticizers, making it safe for use in landscape lighting, public facilities, and even LED devices installed near living areas or water sources. It also resists corrosion from common environmental contaminants, including acid rain, salt spray, and common cleaning chemicals, making it suitable for coastal and industrial environments.

4. Cost-Effective Custom Production

As a dedicated LSR product manufacturer, we maintain in-house mold design and manufacturing capabilities, allowing us to deliver custom-sized waterproof jackets at competitive lead times and tooling costs compared to overseas suppliers. We support small-batch prototype testing and mass production to meet different project scales.

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Applications

Liquid Silicone LED Connector Waterproof Jackets are suitable for a wide range of LED lighting applications requiring waterproof protection, including:

• Outdoor Architectural Lighting: Facade lighting, wall washer lighting, and outline lighting for commercial and residential buildings, where connectors are exposed to rain, dew, and temperature fluctuations
• Landscape and Garden Lighting: Underground LED lights, fountain lights, garden path lights, and tree accent lighting, where connectors are submerged or in direct contact with soil and moisture
• Outdoor Public Lighting: Street lights, highway tunnel lighting, square lighting, and parking lot lighting, where connectors are exposed to long-term UV radiation and harsh weather
• Marine and Coastal Lighting: Yacht lighting, dock lighting, and coastal promenade lighting, where resistance to salt spray corrosion is required
• Indoor High-Humidity Lighting: Bathroom lighting, swimming pool lighting, greenhouse lighting, and industrial workshop lighting with high moisture or dust levels
• Automotive and Transportation LED Lighting: External car taillight connectors, bus display lighting, and railway signal LED connectors, where vibration and temperature fluctuation resistance is required

When correctly installed with matching connector housing and crimping processes, our waterproof jackets can achieve IP67 or IP68 rated ingress protection, meeting the requirements for long-term immersion or continuous outdoor exposure.

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Selection Guide

Hardness Selection

Hardness selection depends on your installation method and sealing requirements:

• 30 Shore A – 40 Shore A: Ultra-soft design suitable for manual installation scenarios, where high conformability to irregular connector surfaces is required, ideal for low-volume custom projects
• 45 Shore A – 55 Shore A: General-purpose hardness, balancing elasticity and mechanical strength, suitable for most standard outdoor LED connector applications, our most popular option
• 60 Shore A – 70 Shore A: High-hardness design suitable for connectors that require high mechanical impact resistance or tight dimensional stability, ideal for heavy-duty industrial and transportation applications

Size Specifications

We produce standard size waterproof jackets matching common LED connector specifications, including:

• 2-pin, 3-pin, 4-pin, and multi-pin cylindrical quick connectors
• Rectangular PCB-mounted LED connectors
• Standard industry specifications including IP65, IP67, and IP68 connector series

For non-standard connector dimensions, we provide full custom size and shape design based on the drawings or physical samples provided by customers. We can also adjust the wall thickness, sealing rib position, and opening size to match your specific connector assembly.

Material Grade

We offer two standard material grades to meet different application requirements:

• General Grade: Complies with RoHS and REACH environmental standards, suitable for most common outdoor and indoor LED applications, with competitive pricing
• Low-VOC Flame-Retardant Grade: Meets UL 94 V-0 flammability requirements and has lower volatile organic compound (VOC) emissions, suitable for indoor enclosed spaces, automotive, and public transportation applications that require strict flame resistance

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Quality Assurance

橡楚（湖北）橡胶有限公司 operates a quality management system certified to ISO 9001, with strict quality control processes implemented from raw material incoming inspection to finished product ex-factory testing. Every batch of Liquid Silicone LED Connector Waterproof Jackets undergoes the following inspections before delivery:

1. Raw material verification: All incoming LSR material is tested for hardness, purity, and environmental compliance to ensure it meets our production standards
2. Dimensional inspection: Random inspection of key dimensions to ensure compliance with drawing tolerances
3. Performance testing: Random sampling for waterproof testing, tensile strength testing, and aging resistance testing to verify performance meets specifications
4. Appearance inspection: 100% visual inspection to eliminate defects including burrs, bubbles, or impurities that could affect sealing performance

We are committed to delivering consistent, high-quality LSR sealing components that meet customer application requirements. For technical inquiries, custom inquiries, or orders, please contact us at:

• Address: 湖北省鄂州市鄂城区经济开发区凡口街道内河巷54号
• Phone: 18071171144
• Email: churubber@163.com