Custom Flexible Weatherstrip Seal for Durable Weatherproof Sealing Strips
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Product Highlights
- Noise Reduction Performance: Reduces road noise by 30% and prevents wind noise intrusion for enhanced passenger comfort.
- Custom Color Options: Available in standard Black, Gray, and fully customizable colors to match vehicle requirements.
- Long Service Life: Maintains elasticity for over 10 years even in challenging climates and frequent use.
- Eco-Friendly Material: 100% recyclable EPDM rubber compliant with REACH and ROHS standards.
- OEM & Aftermarket Fit: Custom-designed profiles available for major brands like Tesla, Toyota, and BMW.
- High Tensile Strength: Reinforced structure with metal/plastic ensures resistance to deformation and high compression recovery.
- Fast Delivery Time: Standard delivery within 15 days with scalable production capacity for large orders.
Product Attributes
- Customization
- Available
- Application
- Vehicle
- Effect
- Fixture&Sealing
- Model NO.
- Car Door Seal
- Cross-Section Shape
- EPDM
- Color
- Black (Standard), Gray,Custom Colors
- Custom
- Yes
- Delivery Time
- 15days
- Sample
- Free
- Transport Package
- Standard Paper Cartons or as Customer's Requirment
- Specification
- OEM/ODM Available
- Trademark
- SZ Rubber
- Origin
- Xingtai City, Hebei Province, P. R. C
- Production Capacity
- >50000meters/Per Week
- Package Size
- 50.00cm * 50.00cm * 20.00cm
- Package Gross Weight
- 25.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description
Product Introduction:
1. EPDM Automotive Composite Sealing Strip
EPDM automotive composite seals are meticulously crafted by merging EPDM rubber with robust materials like metal clips and thermoplastic carriers. This fusion ensures exceptional structural integrity and unparalleled sealing performance. Specifically designed for today's advanced vehicles, these seals offer outstanding **weather resistance, noise reduction, and exceptional durability** across dynamic applications, such as windows, sunroofs, and trunk seals.
2. EPDM Car Door Rubber Sealing Strip
EPDM door seals are expertly manufactured as solid or sponge-profile rubber extrusionsthat guarantee a perfect airtight and watertight seal for vehicle doors. Their superior elasticity and UV resistance not only prevent leaks and reduce wind noise but also withstand extreme temperature fluctuations ranging from -50°C to +120°C, ensuring protection in all climates.
Why Choose EPDM Automotive Seals?
- Eco-Friendly - 100% recyclable and compliant with REACH/ROHS standards, supporting a sustainable future.
- Cost-Effective - Significantly reduces warranty claims owing to its robust resistance against leaks and failures.
- OEM & Aftermarket Fit - Custom-designed profiles available for leading brands like Tesla, Toyota, BMW, and more, ensuring a perfect fit every time.
| Feature | EPDM Automotive Composite Seal | EPDM Car Door Rubber Seal |
| Material | EPDM + metal/plastic reinforcement | Pure EPDM (solid or sponge foam) |
| Density | 1.2-1.5 g/cm³ (varies by reinforcement) | 0.8-1.4 g/cm³ (sponge: 0.6-0.9) |
| Temperature Range | -50°C to +150°C | -50°C to +120°C |
| Key Properties | High tensile strength, anti-squeak | Excellent compression recovery |
| Color Options | Black (standard), custom colors | Black, gray |
| Installation | Clips, adhesives, or integrated frames | Press-fit or adhesive-backed |
| Payment Method | T/T, PayPal, credit card | |
| Standards Met | ISO 9001, IATF 16949, ASTM D2000. | |
Product Advantages:
EPDM Automotive Composite Seals:
Enhanced Durability - Its reinforced structure is engineered to resist deformation even with frequent door and window movement, promising longevity and reliability.
Noise & Vibration Damping - Capable of reducing road noise by an impressive 30%, verified through SAE J1400 testing, enhancing passenger comfort.
All-Weather Performance - Shows remarkable resistance to ozone, UV rays, and automotive fluids such as oil and coolant, making it a versatile choice for any vehicle.
EPDM Car Door Rubber Seals:
Perfect Seal - The sponge foam variants are designed to adapt and conform to uneven gaps, ensuring 100% prevention of water leakage, thus safeguarding the vehicle's interior.
Long Service Life - Maintains elasticity for over 10 years, even in the most challenging climates, providing peace of mind to vehicle owners.
Easy Replacement - Comes in pre-cut lengths and features a plug-and-play installation approach for hassle-free setup, making maintenance simple and quick.
Product Application:
EPDM Automotive Composite Seals:
- Vehicle Windows & Sunroofs - Ideal for bonded or clipped seals in frameless design structures, offering style and functionality.
- Trunk & Tailgate Seals - Reinforced edges ensure resilience against heavy-load pressures, ensuring the safety of the contents inside.
- EV Battery Compartments - Provides airtight sealing to safeguard sensitive and critical components, crucial for electric vehicles.
EPDM Car Door Rubber Seals:
- Door Perimeters - Offers full-loop sealing for a variety of vehicle models including sedans, SUVs, and trucks, enhancing the vehicle's overall performance.
- Windshield & Rear Glass - Provides excellent secondary sealing to minimize wind noise intrusion, improving the driving experience.
- Commercial Vehicles - Ideal for bus and train door gaskets with optional fire-retardant features, ensuring safety and durability in public transport.

Hebei Shuzhi Rubber Products Co., Ltd. stands as a beacon of excellence in the dynamic world of premium rubber manufacturing. Since our inception, we've earned the trust of a diverse array of global industries, solidifying our reputation as an essential partner. Our steadfast dedication to cutting-edge technology, rigorous quality control, and ceaseless innovation ensures that our expertly crafted rubber products not only meet but exceed the highest international standards. We are fervently committed to providing robust and cost-effective solutions, meticulously designed to fulfill the distinct and evolving needs of industrial sectors across the globe.




Q1: What is your total manufacturing capacity for automotive seals?
A: Our state-of-the-art production facilities have an annual output capacity of: 15 million linear meters of standard sealing profiles; 8 million linear meters of custom-designed extrusions; 24/7 production capability across 12 extrusion lines.
Q2: How quickly can you scale up production for large orders?
A: Our scalable manufacturing system allows us to: Double production output within 30 days notice; Add 3 additional shifts for emergency capacity; Support OEM-level volume requirements up to 500,000 meters/month per product line.
Q3: What is your lead time for bulk production orders?
A: Standard production timelines: 1-2 weeks for orders under 50,000 meters; 3-4 weeks for orders up to 200,000 meters; Custom solutions available for orders exceeding 500,000 meters.
Q4: How do you ensure consistent quality at high volumes?
A: Our quality assurance system features: 100% automated dimensional inspection; Real-time process monitoring on all extrusion lines; Statistical process control with Six Sigma methodology; Dedicated quality teams per production shift.
Q5: What types of production equipment do you operate?
A: Our manufacturing campus includes: 18 advanced rubber extrusion lines; 5 continuous vulcanization systems; 3 fully-automated cutting/packaging stations; 2 compounding facilities with 50-ton daily capacity.
Q6: Can you handle simultaneous production of different materials?
A: Yes, our flexible production setup allows parallel manufacturing of: EPDM, NBR and PVC compounds; Multiple profile designs; Various colors and material combinations; Different packaging requirements.
Q7: What is your track record for on-time delivery?
A: We maintain: 98.7% on-time delivery rate over past 5 years; 99.2% order fulfillment accuracy; 24-hour order tracking system; Dedicated logistics coordination team.
Q8: Do you have experience with automotive OEM production cycles?
A: We currently support: Just-in-sequence delivery for 3 major automakers; 15+ years experience with OEM production schedules; EDI system integration capabilities; VMI program participation.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI256295". Items marked "" are certified.
Company Profile
**Hebei Shuzhi Rubber Products Co., Ltd. - Precision Engineered Sealing & Fluid Transfer Solutions**
### **Core Product Expertise**
As a specialist in high-performance rubber components, we deliver critical solutions for automotive and industrial sectors through five core product lines:
1. **EPDM Automotive Sealing Strips**
Engineered for doors, windows, trunks, and sunroofs, our EPDM seals offer exceptional resistance to UV, ozone, and extreme temperatures (-50° C to +140° C). Features include integrated metal carriers for structural integrity, low compression set (<25%), and customizable surface finishes (smooth/flocked/coated) to reduce friction and noise. Compliant with ISO 4637 and OEM standards like PV 3341.
2. **NBR Foam Sealing Strips**
Designed for oil-rich environments, these closed-cell foam strips serve engine covers, fuel systems, and industrial machinery. With NBR hardness grades from 70A-90A and densities of 150-500 kg/m³, they provide superior resistance to fuels/solvents (<15% oil swell per ASTM D471), effective vibration damping, and IP67-rated sealing.
3. **EPDM Sponge/Foam Sealing Strips**
Ideal for HVAC, electrical enclosures, and architectural weatherstripping, our microcellular EPDM foam achieves 35-40 dB sound transmission loss (STC) and maintains watertight integrity with 70% compression recovery. Flame-retardant options meet UL94-HB specifications.
4. **Custom Molded Rubber Components**
Utilizing 100-500 ton presses, we manufacture precision O-rings, grommets, vibration mounts, and complex geometries in EPDM, NBR, Silicone, or FKM. Tolerances held within ± 0.1mm (ISO 3302-1) ensure consistent performance in sealing, insulation, and impact absorption applications.
5. **Automotive Water/Coolant Hoses**
Reinforced with 3-4 ply fabric/steel wire, our EPDM hoses withstand burst pressures exceeding 600 kPa and temperatures from -40° C to +150° C. Fully compliant with SAE J20 R6/R7/R9 standards for radiator, heater, and coolant systems in EVs and ICE vehicles.
---
### **Manufacturing Excellence**
Our **8 specialized production lines** enable vertical integration from raw material compounding to finished products:
- **4 Continuous EPDM Extrusion Lines** with laser-guided profile control
- **2 Automated Foam Sealing Lines** featuring nitrogen-assisted foaming technology
- **1 High-Capacity Molding Unit** supporting multi-cavity tools
- **1 Braided Hose Line** with mandrel wrapping precision
*Annual Capacity: 14+ million linear meters of seals 500, 000+ molded parts 200, 000+ hose assemblies*
---
### **Quality & Certification**
Operating under IATF 16949 and ISO 9001 certifications, we enforce rigorous protocols:
- **Material Validation**: FTIR, DSC, and TGA analysis
- **Performance Testing**: 1, 000-hour salt spray, thermal aging (135° C/168h), fatigue cycling
- **Traceability**: Batch-controlled production with statistical process control (SPC)
- **Compliance**: REACH/RoHS, ASTM, SAE, and ISO standards
---
### **Why Choose Shuzhi? **
- **End-to-End Customization**: Profile design (. Dxf/. Dwg support), material compounding (custom hardness/colors/additives), and value-added processing (precision cutting, splicing, packaging)
- **Automotive Focus**: IATF 16949-certified processes with OEM audit experience
- **Global Reach**: Exports to 30+ countries across Europe, Americas, and Asia-Pacific
- **Engineering Partnership**: Collaborative R&D for complex sealing challenges
---
**Contact Our Expert Team Today! **
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 25 Yumin Avenue, Auto Parts Industrial Park, Weixian High-tech Industrial Development Zone, Xingtai City, Hebei Province
- Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment, Money Gram
- International Commercial Terms(Incoterms)
- FOB, CFR, CIF
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays
Our Production Capability & Technical Expertise
- Main Products
- Car Door Seal, Rubber Sealing Strip, Foamed Sealing Strip, Seal, EPDM Rubber Seal, EPDM Sponge Rubber, Silicone Hose, Rubber Gasket, Automobile Rubber Tube, Door Sealing Strip
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
Our Industry Experience & Global Business Record
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
FAQ
- What is your total manufacturing capacity for automotive seals?
- Our state-of-the-art production facilities have an annual output capacity of: 15 million linear meters of standard sealing profiles; 8 million linear meters of custom-designed extrusions; 24/7 production capability across 12 extrusion lines.
- How quickly can you scale up production for large orders?
- Our scalable manufacturing system allows us to: Double production output within 30 days notice; Add 3 additional shifts for emergency capacity; Support OEM-level volume requirements up to 500,000 meters/month per product line.
- What is your lead time for bulk production orders?
- Standard production timelines: 1-2 weeks for orders under 50,000 meters; 3-4 weeks for orders up to 200,000 meters; Custom solutions available for orders exceeding 500,000 meters.
- How do you ensure consistent quality at high volumes?
- Our quality assurance system features: 100% automated dimensional inspection; Real-time process monitoring on all extrusion lines; Statistical process control with Six Sigma methodology; Dedicated quality teams per production shift.
- What types of production equipment do you operate?
- Our manufacturing campus includes: 18 advanced rubber extrusion lines; 5 continuous vulcanization systems; 3 fully-automated cutting/packaging stations; 2 compounding facilities with 50-ton daily capacity.
- Can you handle simultaneous production of different materials?
- Yes, our flexible production setup allows parallel manufacturing of: EPDM, NBR and PVC compounds; Multiple profile designs; Various colors and material combinations; Different packaging requirements.
- What is your track record for on-time delivery?
- We maintain: 98.7% on-time delivery rate over past 5 years; 99.2% order fulfillment accuracy; 24-hour order tracking system; Dedicated logistics coordination team.
- Do you have experience with automotive OEM production cycles?
- We currently support: Just-in-sequence delivery for 3 major automakers; 15+ years experience with OEM production schedules; EDI system integration capabilities; VMI program participation.
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