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Description
Solid SBR Rubber Strip — 4mm Thick
Our 4mm thick solid SBR (Styrene-Butadiene Rubber) strip is a robust, general-purpose rubber material engineered for demanding sealing, cushioning, and protection applications. Supplied in a choice of widths from 10mm to 50mm and available by the sheet or roll, it offers outstanding abrasion resistance, good flexibility across a broad temperature range, and excellent resistance to water, mild acids, and mechanical wear. Whether you are sealing doors and hatches, lining surfaces against impact, or fabricating custom gaskets, this solid rubber strip delivers reliable, long-lasting performance in both industrial and commercial environments.
Technical Specifications
| Property | Value / Detail |
|---|---|
| Material | Solid SBR (Styrene-Butadiene Rubber) |
| Colour | Black |
| Thickness | 4mm |
| Available Widths | 10mm, 12mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 50mm |
| Supply Format | Sheet or Roll |
| Hardness (Shore A) | 60° ± 5° Shore A |
| Density | Approx. 1.2 – 1.4 g/cm³ |
| Tensile Strength | ≥ 7 MPa |
| Elongation at Break | ≥ 200% |
| Tear Strength | ≥ 15 kN/m |
| Compression Set | ≤ 30% (after 22 hrs at 70°C) |
| Operating Temperature Range | −30°C to +80°C |
| Abrasion Resistance | Excellent |
| Water Resistance | Excellent |
| Oil & Fuel Resistance | Limited — not recommended for prolonged oil or fuel contact |
| UV & Ozone Resistance | Moderate — suitable for sheltered outdoor use |
| Tolerance (Thickness) | ± 0.3mm |
| Tolerance (Width) | ± 1mm |
| Grade | Commercial / Industrial Grade |
| Finish | Smooth both sides |
| Flammability | Non-self-extinguishing (standard grade) |
Typical Applications
Why Choose Solid SBR Rubber?
SBR is one of the most widely used synthetic rubbers in engineering and construction, valued for its excellent abrasion resistance and cost-effective performance. At 4mm thick, this strip strikes the ideal balance between flexibility and structural integrity — thin enough to conform to uneven surfaces, yet substantial enough to provide meaningful cushioning and sealing. It cuts cleanly with a sharp knife or scissors, bonds readily with contact adhesives, and can be punched or die-cut to custom shapes without specialist tooling. Available in multiple widths, it is straightforward to select the exact size required for your application, minimising waste and reducing fabrication time.
Frequently Asked Questions
What is the difference between SBR and natural rubber?
SBR (Styrene-Butadiene Rubber) is a synthetic rubber that offers superior abrasion resistance and better ageing stability compared to natural rubber. It is less susceptible to degradation from water and mild chemicals, making it a more durable choice for most general-purpose sealing and cushioning applications.
Can this rubber strip be used outdoors?
Yes, for sheltered or semi-exposed outdoor use. SBR has moderate UV and ozone resistance, so it performs well in covered or shaded environments. For prolonged direct sunlight or harsh outdoor exposure, a neoprene or EPDM rubber strip would be more suitable.
How do I cut and fix the rubber strip?
The strip cuts cleanly with a sharp utility knife, scissors, or a guillotine. It can be bonded to most surfaces using a contact adhesive or rubber bonding agent. Self-adhesive backing is not included as standard, but the smooth surface accepts adhesive tape or glue readily.
What widths are available and how is it supplied?
This strip is available in nine widths: 10mm, 12mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, and 50mm. All widths are 4mm thick and supplied by the sheet or roll. Select your preferred width from the options above before adding to your basket.
Is this material suitable for food contact or medical use?
No. This is a commercial and industrial grade SBR rubber and is not certified for direct food contact or medical applications. For food-grade or medical-grade requirements, please refer to our silicone rubber range.
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