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Description
12mm Solid SBR Rubber Strip — Available by the Sheet or Roll
A heavy-duty solid rubber strip manufactured from a natural rubber and styrene butadiene rubber (NR/SBR) blend, cut to a consistent 12mm thickness and supplied in 5-metre lengths. Engineered for commercial, industrial, and trade use, this strip delivers reliable performance across sealing, gasketing, weatherstripping, vibration damping, bump protection, and general-purpose cushioning applications. Available in eight widths from 12mm to 50mm, it is ready to cut, bond, or install straight from the pack.
Available Dimensions
Technical Specification
| Property | Unit | Standard | Value |
|---|---|---|---|
| Base Polymer | — | — | NR/SBR (Natural Rubber / Styrene Butadiene Rubber) |
| Colour | — | — | Black |
| Grade | — | — | Commercial / General Purpose |
| Indentation Hardness | Shore A | ASTM D2240 | 65 (−4 / +5) |
| Tensile Strength | MPa | ASTM D412 | 3.0 minimum |
| Elongation at Break | % | ASTM D412 | 250 minimum |
| Specific Gravity / Density | g/cm3 | — | 1.50 |
| Operating Temperature | °C | — | −30°C to +70°C |
| Abrasion Resistance | — | — | Moderate |
| Waterproof | — | — | Yes |
| Food Contact | — | — | Not recommended |
| Ozone Resistance | — | — | Not recommended |
| Flame Retardancy | — | — | Not recommended |
| Electrical Resistance | — | — | Not recommended |
| UV / Petrol / Solvents | — | — | Not recommended |
| General Purpose Performance | — | — | Excellent |
Compression Set
| Test Method | Condition / Temperature | Duration | Unit | Value |
|---|---|---|---|---|
| ASTM D395 Method B | 70°C | 22 hours | % Max | 30 |
Dimensional Tolerances
| Strip Width | Width Tolerance |
|---|---|
| 10mm to 25mm | +/- 1.0 mm |
| 25.1mm to 100mm | +/- 1.5 mm |
| 100.1mm to 250mm | +/- 2.0 mm |
| Thickness | Thickness Tolerance |
|---|---|
| 12mm | +/- 1.2 mm |
Key Features
- NR/SBR blend construction — tough, resilient, and flexible
- 65 Shore A hardness — firm yet compressible under load
- Excellent resistance to impact, wear, and liquid ingress
- Fully waterproof — suitable for damp and outdoor environments
- Operating range of −30°C to +70°C for year-round reliability
- Density of 1.50 g/cm3 — substantial, high-quality feel
- Easily trimmed with scissors or a craft knife — no specialist tools required
- Bonds to most hard surfaces using a general-purpose contact adhesive
- Supplied in 5-metre lengths — select width from the menu above
Typical Applications
* Not recommended for prolonged exposure to UV light, petrol, ozone, or solvents.
* Small tolerances in width and thickness are inherent to the rubber extrusion process.
Frequently Asked Questions
What widths are available for this 12mm thick rubber strip?
Available in eight widths: 12mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, and 50mm. All are 12mm thick and supplied in 5-metre lengths. Select your preferred width from the menu above.
Can this strip be used outdoors?
Yes — it is fully waterproof and performs across a temperature range of −30°C to +70°C, making it suitable for outdoor sealing and weatherstripping. Prolonged direct UV exposure is not recommended.
How do I cut or fit the rubber strip?
It cuts cleanly with scissors or a craft knife and bonds to most hard surfaces using a general-purpose contact adhesive — no specialist tools or fixings required.
What does 65 Shore A hardness mean in practice?
65 Shore A places this strip in the firm-but-flexible range. It holds its shape under load while still compressing enough to form an effective seal or cushion — well suited to gasketing and vibration damping.
Is this strip suitable for gasketing and sealing?
Yes. The NR/SBR blend offers good resistance to water, impact, and general wear, making it well suited to gasketing, draught exclusion, and sealing in commercial and industrial settings. Not recommended for contact with petrol, solvents, or ozone-rich environments.
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