Weather Endurance EPDM Sponge Rubber Seal Strip for Outdoor Infrastructure Protection
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Product Highlights
- Custom Color Options: Available in Black, Gray, and custom colors for both sponge and solid strips.
- Superior Weatherproofing: Resistant to UV rays, ozone, moisture, and oxidative damage for outdoor use.
- Excellent Chemical Resistance: Resistant to oils, acids, and alkalis, suitable for harsh industrial environments.
- High Compression Recovery: Delivers excellent recovery rates exceeding 80% for sponge and 70% for solid types.
- Versatile Applications: Ideal for HVAC, automotive, electronics, windows, doors, and industrial machinery.
- Fast Sample Production: Proofing samples available in as little as 3 days for quick validation.
- OEM and ODM Services: Full customization support for profiles, colors, and material combinations.
Product Attributes
- Customization
- Available
- Material
- EPDM
- Color
- Black, Gray, Custom Colors
- Model NO.
- EPDM NBR Silicon
- Compression Set
- >80%, >70% Recovery
- Temperature Range
- -50°C to +150°C
- Feature
- Sponge Foam, Solid
- Applications
- HVAC, Automotive, Electronics, Windows, Doors
- Compatibility
- Resistant to Oils, Acids, and Alkalis
- 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
- HS Code
- 4006901000
- 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 Sponge Foam Sealing Strip
Crafted from premium EPDM rubber, our sponge foam sealing strips are a triumph of modern engineering. Utilizing a state-of-the-art foaming process, these strips emerge as marvels of flexibility and versatility, being lightweight and compressible. The sponge-like structure delivers unmatched sealing efficiency, excellent thermal insulation, and impressive vibration damping capabilities. These strips excel on uneven surfaces, ensuring a secure, airtight, and watertight seal in both dynamic and static applications, making them indispensable for a variety of uses.
2. EPDM Solid Sealing Strip
Our EPDM solid sealing strips epitomize strength and reliability, marked by their dense, non-porous rubber composition. Renowned for their exceptional durability, UV resistance, and top-tier weatherproofing qualities, these strips are a testament to robust engineering. They exhibit formidable resilience against extreme temperature fluctuations, ozone, and harsh chemical environments, making them the ideal choice for demanding industrial and construction settings.
| Feature | EPDM Sponge Foam Sealing Strip | EPDM Solid Sealing Strip |
| Material | EPDM Rubber (foamed) | EPDM Rubber(solid) |
| Density | 0.6-0.9 g/cm³ | 1.2-1.4 g/cm³ |
| Temperature Range | -50°C to +120°C | -50°C to +150°C |
| Compression Set | Excellent Recovery (>80%) | Excellent Recovery (>70%) |
| Color Options | Black, Custom colors available | Black, Gray, Custom colors available |
| Payment Method | T/T, PayPal, credit card | |
| Speed Proofing | Samples are available in as little as 3 days | |
Product Advantages:
EPDM Sponge Foam Sealing Strip:
1. Superior Elasticity: Flawlessly adapts to uneven surfaces, ensuring impeccable airtight seals.
2. Lightweight & Energy-Efficient: Minimizes the transfer of heat and cold, optimizing the efficiency of HVAC systems.
3. Noise Reduction: Effectively absorbs vibrations and noise, enhancing overall acoustic comfort.
4. Waterproof & Weatherproof: Offers steadfast protection against moisture, UV rays, and oxidative damage.
EPDM Solid Sealing Strip:
1. Extreme Durability: Engineered to withstand heavy loads, abrasion, and challenging chemical conditions.
2. Long Service Life: Maintains flexibility and superior performance for more than a decade.
3. Wide Compatibility: Provides versatile resistance to oils, acids, and alkalis, catering to diverse applications.
4. Easy Installation: Available in pre-cut or extruded profiles, ensuring seamless integration.
Product Application:
EPDM Sponge Foam Sealing Strip:
1. Construction: Ideal for window and door seals, expansion joints, and curtain walls, ensuring superior protection.
2. Automotive: Perfect for trunk seals, sunroof gaskets, and engine compartment insulation, enhancing vehicle integrity.
3. Electronics: Provides essential waterproofing for enclosures and junction boxes, safeguarding electronic components.
4. HVAC: Vital for ductwork insulation and air conditioning units, contributing to optimal system performance.
EPDM Solid Sealing Strip:
1. Industrial Machinery: Perfect for seals in pumps, valves, and hydraulic systems, ensuring operational efficiency.
2. Roofing: Optimal for perimeter seals on solar panels and skylights, enhancing energy efficiency and protection.
3. Transportation: Trusted gaskets for rail and marine doors, ensuring reliability and safety in transit.
4. Energy: Essential sealing solutions for electrical cabinets and transformers, providing crucial protection and efficiency.

Introducing Hebei Shuzhi Rubber Products Co., Ltd., a trailblazer in delivering top-tier rubber solutions for a variety of global markets. We harness state-of-the-art technology, adhere to the strictest quality control measures, and thrive on innovation, crafting rubber products that are precision-engineered to not just meet but surpass international benchmarks. Our unwavering commitment is to provide durable and cost-effective solutions, meticulously designed to address a broad spectrum of industrial demands, ensuring reliability and excellence every step of the way.




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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