SST-Porous® Pre-Filtration Oil Mist Filter Vent: Waterproof and Breathable Solution for Power Systems
The SST-Porous® BDT Series Vent Cap delivers 500–15,000 ml/min/cm² airflow and IP54–IP69K protection for automotive lighting. Featuring an ePTFE membrane, PP cover, and EPDM/TPE elastomer, it ensures waterproof, oil-resistant, and fog-free performance. With customizable 6.8–12.5mm inner diameters and one-touch installation, it’s ideal for headlights, taillights, and brake lamps.
Automotive lighting systems require effective ventilation to prevent fogging, maintain clarity, and perform reliably in challenging conditions. The SST-Porous® BDT Series Vent Cap, crafted by Spider (Xiamen) Technology Co., Ltd., an ISO 9001-certified leader in ventilation solutions, meets these needs with precision. Offering airflow from 500 to 15,000 ml/min/cm² and IP54–IP69K protection, this vent cap combines an ePTFE membrane, a polypropylene (PP) cover, and an EPDM or TPE elastomer for exceptional durability and ease of use. Designed for headlights, taillights, fog lights, and brake lamps, its one-touch installation makes it a preferred choice for automotive manufacturers worldwide.
Why Choose the SST-Porous BDT Series Vent Cap?
Spider (Xiamen) Technology Co., Ltd. is trusted by leading automotive manufacturers for its high-quality ventilation solutions. The BDT Series Vent Cap stands out for its performance, reliability, and user-friendly design. Key benefits include:
- Superior Airflow: Provides 500–15,000 ml/min/cm² to equalize pressure and prevent fogging in lighting systems.
- Robust Protection: Offers IP54 (brown cover) to IP65/IP66/IPX7/IPX8/IP69K (black cover) ratings for resistance to water, dust, and high-pressure conditions.
- High-Quality Materials: Features an ePTFE membrane with PP+PE or polyester support, an EPDM/TPE elastomer, and a PP cover, achieving Grade 8 oil resistance (AATCC 118).
- Simple Installation: One-touch design with customizable 6.8–12.5mm inner diameters streamlines assembly.
- Wide Temperature Range: Operates reliably from -40°C to 120°C, ideal for diverse environments.
- Eco-Friendly: Uses a PFOA-free ePTFE membrane, supporting sustainable manufacturing.
“The SST-Porous BDT Series Vent Cap has significantly reduced fogging in our headlights while simplifying production. Its reliability is unmatched.” – Li Ming, Production Manager, BrightPath Automotive
SST-Porous® BDT Series vent cap with ePTFE membrane and PP cover, offering IP65-IP69K protection for headlights and taillights.
FAQ: SST-Porous BDT Series Vent Cap
- What does the vent cap do?It equalizes pressure in automotive lighting, preventing fogging while ensuring waterproof and dustproof performance.
- What is the airflow range?From 500 ml/min/cm² (black cover) to 15,000 ml/min/cm² (brown cover).
- Can it withstand extreme conditions?Yes, it operates from -40°C to 120°C with IP54–IP69K ratings.
- What materials are used?ePTFE membrane (with PP+PE or polyester support), EPDM/TPE elastomer, and PP cover.
- How is it installed?One-touch installation with 6.8–12.5mm inner diameters for quick mounting.
- Is it oil-resistant?Yes, it achieves Grade 8 oil resistance per AATCC 118.
- What are its applications?Headlights, taillights, fog lights, turn signals, and brake lamps.
- How does the PP cover enhance durability?It protects the ePTFE membrane from punctures and impacts.
- Is it eco-friendly?Yes, it uses a PFOA-free ePTFE membrane with s-PTFE or eco-friendly emulsifiers.
- Who manufactures it?Spider (Xiamen) Technology Co., Ltd., an ISO 9001-certified ventilation solutions provider.
SST-Porous® BDT Series vent cap on a headlight, delivering 500-15,000 ml/min/cm² airflow to prevent fogging and ensure clarity.
Conclusion: Reliable Ventilation for Automotive Lighting
The SST-Porous® BDT Series Vent Cap is a high-performance solution for automotive lighting, delivering 500–15,000 ml/min/cm² airflow, IP54–IP69K protection, and easy one-touch installation. Its ePTFE membrane, PP cover, and EPDM/TPE elastomer ensure fog-free operation, water resistance, and durability in demanding conditions. Manufactured by Spider (Xiamen) Technology Co., Ltd., this vent cap is a trusted choice for automotive manufacturers seeking dependable ventilation for headlights, taillights, fog lights, and more.
Characteristics and Parameters
The SST-Porous BDT Series Vent Cap is engineered for optimal ventilation and protection in automotive lighting. Its design incorporates advanced materials and practical features:
- Airflow Capacity:
- Black PP cover: 500 ml/min/cm²
- Blue/Gray PP cover: 10,000 ml/min/cm²
- Brown PP cover: 15,000 ml/min/cm²
- Waterproof Ratings:
- Black PP cover: WEP >500 kPa, IP65/IP66/IPX7/IPX8/IP69K
- Blue/Gray PP cover: WEP >300 kPa, IP65/IP66
- Brown PP cover: WEP >200 kPa, IP54
- Materials: ePTFE membrane (with PP+PE or non-woven polyester support), EPDM or TPE elastomer, PP outer cover
- Inner Diameter Options: 6.8mm, 7.8mm, 9.5mm, 12.5mm for versatile compatibility
- Temperature Range: -40°C to 120°C
- Oil Resistance: Grade 8 per AATCC 118 standard
- Installation: One-touch for secure, efficient mounting
- Color Coding: Black (low breathability), blue/gray (medium breathability), brown (high breathability)
- Environmental Features: PFOA-free ePTFE membrane with s-PTFE or eco-friendly emulsifiers
- Supply Options: Bulk (1,000 pieces/bag), small (500 pieces/bag), sample (5 pieces/bag)
Technical Specifications Table
| Parameter | Black PP Cover | Blue/Gray PP Cover | Brown PP Cover |
| Product Code | BDT-BLK-500-68-125 | BDT-BLU/GRY-10000-68-125 | BDT-BRN-15000-68-125 |
| Airflow | >500 ml/min/cm² | >10,000 ml/min/cm² | >15,000 ml/min/cm² |
| Waterproof Rating | IP65, IP66, IPX7, IPX8, IP69K | IP65, IP66 | IP54 |
| WEP | >500 kPa | >300 kPa | >200 kPa |
| Inner Diameter | 6.8mm, 7.8mm, 9.5mm, 12.5mm | 6.8mm, 7.8mm, 9.5mm, 12.5mm | 6.8mm, 7.8mm, 9.5mm, 12.5mm |
| Materials | ePTFE, EPDM/TPE, PP | ePTFE, EPDM/TPE, PP | ePTFE, EPDM/TPE, PP |
| Oil Resistance | Grade 8 (AATCC 118) | Grade 8 (AATCC 118) | Grade 8 (AATCC 118) |
| Temperature Range | -40°C to 120°C | -40°C to 120°C | -40°C to 120°C |
Note: Performance may vary based on installation and environmental conditions.
Applications and Implementation
The SST-Porous BDT Series Vent Cap is tailored for automotive lighting systems requiring reliable ventilation and protection. Key applications include:
- Headlights: Prevents fogging for consistent illumination in all weather conditions.
- Taillights and Fog Lights: Ensures durability in humid, dusty, or high-pressure environments.
- Turn Signals and Brake Lamps: Enhances longevity through effective pressure management.
Implementation Examples
- Headlight Ventilation StrategyApex Auto adopted the black PP cover vent cap (500 ml/min/cm², IP69K) for their LED headlights. The approach includes:
- Selecting the correct inner diameter (6.8–12.5mm) to fit headlight housing.
- Installing in a cleanroom to prevent membrane contamination.
- Integrating into the assembly line, reducing installation time by 15%. Result: Eliminates fogging by maintaining pressure balance across -40°C to 120°C.
- Taillight Protection in Coastal RegionsOceanWave Motors implemented the brown PP cover vent cap (15,000 ml/min/cm², IP54) for taillights in humid coastal areas. The plan involves:
- Choosing the high-breathability brown cover for maximum airflow.
- Conducting compatibility tests with taillight designs.
- Scheduling bi-annual maintenance to check the ePTFE membrane. Result: Extends taillight lifespan by 12 months and improves visibility in high humidity.
Actionable Tips for Optimal Performance
To ensure the SST-Porous BDT Series Vent Cap performs at its best:
- Choose the Right Cover: Select black for maximum waterproofing (IP69K) or brown for high breathability (15,000 ml/min/cm²) based on your application.
- Match Inner Diameter: Confirm the 6.8–12.5mm inner diameter fits your lighting system for a secure installation.
- Inspect Regularly: Check the ePTFE membrane every 6 months to ensure unobstructed airflow.
- Install Cleanly: Use gloves and a clean workspace to avoid contaminating the membrane.
- Monitor Conditions: Operate within -40°C to 120°C to maintain material integrity.
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