Flexible/Soft Round Sponge/ Foam Rubber Cord Sealing Strip for Automotive, Machinery

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Flexible/Soft Round Sponge/ Foam Rubber Cord Sealing Strip for Automotive, Machinery

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Product Description

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Product Overview

Model NO.:WL-cord

Type:Sponge Foam Sealing

Sectional Shape:O-Shape

Performance:Temperature Resistant

Vulcanization:Continuous Vulcanization

Standard:Standard & Nonstandard

Process:Extruded

Certification:SGS, Reach, RoHS, FDA

HS Code:4016931000

Capacity:1,100,000,000 M/Month

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Product Description

Sponge rubber strip plays a crucial part in sealing gaps throughout a multitude of different industrial sectors. It seals against any ingress of water or air. Sponge strips have a closed-cell structure, therefore they don't allow liquids, gases, or air to pass through them.

Material	EPDM, Silicone, CR, NBR, SBR, FKM, etc.
Hardness	10~40 ShA
Available Shapes	D, P, E, I, V, U, O, L, J, Half-round, etc.
Temperature Range	EPDM: -40ºC to 120ºC Silicone: -60°C to 300°C PVC: -30°C to 100°C
Main Features	Anti-collision, Dustproof, Waterproof, Shock absorption, Durable insulation.

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Main Properties & Advantages

Very soft and light weight with smooth surface and good elasticity
Anti-ozone, anti-aging, weather resistance, and oil resistance
Excellent anti-UV performance and high flexibility
Firm and flexible structure, easy to assemble
Excellent fire and water resistance
Tight dimensional tolerance and excellent compression ability

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Industrial Applications

Common Usage Areas:

Automotive: Doors, trucks, window seals, and spacers for wheel wells.
Building Products: Curtain wall frames, window/door seals, and slider tracks.
Industrial: Electrical equipment cabinets, garage doors, and construction bridge seals.
Containers: Drums, barrels, safes, and case seals.

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Material Performance Chart

Item	EPDM	NR	Silicone	PVC
Hardness (Sha)	30~85	30~90	20~85	50~95
Tensile Strength	≥8.5MPa	> 20 Mpa	3~8 Mpa	10~50 Mpa
Temp Range	-40~+120°C	-50~70ºC	-55~+350°C	-29°C - 65°C

Material Properties Quick Guide:

• EPDM: Excellent weather, ozone, and aging resistance.
• Silicone: High heat resistance (-55~250ºC) and excellent insulation.
• NBR: Superior oil and abrasion resistance.
• CR (Neoprene): Good atmospheric aging and flame resistance.

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Packaging & Shipping

Individually wrapped in plastic bags to prevent contamination.
Securely packed in sturdy carton boxes with detailed packing lists.
Stacked on non-fumigation pallets and film-wrapped for stability.
Available for Sea, Air, and Express delivery (DHL, UPS, Fedex).

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Certifications & Quality

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Frequently Asked Questions

What is the minimum order quantity (MOQ) for rubber products?

We are flexible with order sizes. We do not set a strict MOQ, and have successfully fulfilled orders ranging from 1 to 10 pieces for specific client needs.

Can we request samples before placing a bulk order?

Yes, samples are available upon request. Please contact our team to discuss your specific requirements.

Is there a charge for customized tooling?

If we have an existing or similar mold that fits your needs, there is no charge. For completely new designs, a tooling fee is required based on the complexity. Note: Tooling costs over 1000 USD may be refunded once orders reach a certain volume.

How long does it take to produce a custom sample?

The lead time usually depends on the complexity of the rubber part. On average, it takes between 7 to 10 working days.

Do your silicone products meet environmental standards?

Yes, our silicone parts are made from 100% pure high-grade silicone and meet ROHS, SGS, and FDA standards, making them suitable for food-grade and medical applications.

What is your standard order process?

Our process includes: Inquiry and requirement gathering → Official quotation → Tooling development (if needed) → Sample confirmation with test report → Mass production → Quality inspection → Final shipping.