Neoprene Sponge Gasket
Flexible, Long-Lasting Sealing Solutions for Industrial & OEM Applications
Introduction
A Neoprene Sponge Gasket is a compressible sealing material made from closed-cell neoprene sponge rubber. It is designed for applications where reliable sealing, vibration damping, insulation, and long-term durability are required, especially under limited compression cycles.
At Xiamen Jinshun Sealing Technology Co., Ltd., we specialize in manufacturing custom neoprene sponge gaskets for global OEMs, distributors, and wholesale partners. Our products are widely used in automotive, construction, industrial equipment, and fluid-handling systems where consistent sealing performance matters.
What Is a Neoprene Sponge Gasket?
A neoprene sponge gasket is produced from expanded chloroprene rubber (CR) with a closed-cell structure. Unlike solid rubber gaskets, sponge gaskets compress easily and recover well, allowing them to:
- Seal uneven or irregular surfaces
- Create air- and water-tight barriers
- Absorb vibration and noise
- Reduce heat loss and condensation
Because of these characteristics, neoprene sponge gaskets are ideal for long-term static sealing applications with minimal repeated compression.
Key Features and Performance Benefits
Neoprene sponge rubber offers a balanced mix of mechanical strength and environmental resistance.
Why Buyers Choose Neoprene Sponge Gaskets
- Closed-cell structure prevents water and air penetration
- Moderate resistance to oil and fuel
- Excellent weathering, ozone, and UV resistance
- Good recovery after compression
- Self-extinguishing and aging-resistant
- Conforms well to irregular or rough surfaces
- Reduces noise, vibration, and heat transfer
These advantages make neoprene sponge gaskets a dependable choice for industrial-grade sealing.
Typical Applications
Neoprene sponge gaskets are commonly used in:
- Industrial gaskets and seals
- Automotive sealing and insulation parts
- Oil- and fuel-resistant sealing areas
- Road and bridge expansion joints
- Construction joints and insulation barriers
- Equipment housings and enclosures
- Condensation protection systems
- Noise and vibration isolation between substrates
They are especially suitable for long-term sealing applications with limited compression cycles.
Material Structure: Closed-Cell Neoprene Sponge Rubber
Our neoprene sponge gasket material is manufactured using a premium expanded neoprene compound, resulting in:
- Uniform cell structure
- Consistent thickness
- No voids or inclusions
- Stable mechanical performance over time
The new-generation closed-cell neoprene sponge foam also delivers improved temperature resistance and recovery, making it suitable for higher-performance and tighter-tolerance applications, including automotive and industrial OEM use.
Technical Specifications
| Property | Value / Standard |
|---|---|
| Polymer Type | CR (Neoprene) |
| Color | Black (custom colors available) |
| Density | 158 kg/m³ (ISO 7214:2006) |
| Hardness | 48° ± 5° Shore 00 |
| Tensile Strength | 520 kPa |
| Elongation at Break | 150% |
| Tear Strength | 2.8 kN/m |
| Compression Deflection (25%) | 48 kPa |
| Compression Set (24h @ 72°C) | ≤ 25% |
| Ozone Resistance | No cracking |
| Continuous Temperature | -40°C to +90°C |
| Intermittent Temperature | -40°C to +120°C |
| ASTM D1056 | Grade 282 |
| SAE J18 | Grade 282 |
Available Sizes & Customization Options
| Item | Specification |
|---|---|
| Thickness Range | 1.5 mm – 50 mm |
| Standard Sheet Size | 1000 mm × 2000 mm |
| Shapes | Sheets, strips, cut lengths, custom die-cut |
| Adhesive Backing | Optional |
| OEM / ODM | Fully supported |
Custom thicknesses, shapes, and adhesive solutions are available based on drawings or samples.
Why Choose Jinshun Sealing as Your Neoprene Sponge Gasket Manufacturer?
As a China custom neoprene sponge gasket manufacturer and exporter, Jinshun Sealing brings over 20 years of sealing industry experience to every project.
Our Strengths
- One-stop OEM & ODM rubber gasket solutions
- In-house R&D and stable material sourcing
- Consistent quality control and batch stability
- Small orders accepted for flexible sourcing
- Fast production and export support
- Long-term partner to automotive, appliance, and industrial brands
We don't just supply gaskets-we help buyers solve sealing problems efficiently.
FAQs – Neoprene Sponge Gasket
Q1: What is the main difference between neoprene sponge and solid neoprene gaskets?
A: Sponge gaskets are compressible and better for uneven surfaces and insulation, while solid neoprene is used for higher-pressure sealing.
Q2: Are neoprene sponge gaskets waterproof?
A: Yes. The closed-cell structure provides excellent air- and water-tight sealing.
Q3: Can you supply adhesive-backed neoprene sponge gaskets?
A: Yes, adhesive backing is available upon request.
Q4: Are custom shapes and sizes available?
A: Absolutely. We manufacture according to drawings, samples, or technical requirements.
Q5: What industries commonly use neoprene sponge gaskets?
A: Automotive, construction, industrial equipment, sealing systems, insulation, and vibration control.
Looking for a reliable Neoprene Sponge Gasket manufacturer in China?
Partner with Xiamen Jinshun Sealing Technology Co., Ltd. for:
- Custom neoprene sponge gaskets
- OEM & ODM rubber sealing solutions
- Stable quality, competitive pricing, and global delivery
👉 Visit: https://www.jinshunsealing.com/
👉 Contact us today for samples, technical consultation, or a quotation.
