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Description
Self-Adhesive Sponge Rubber Strip — 2mm Thick
A precision-cut, 2mm thick expanded closed-cell EPDM neoprene sponge strip with a factory-applied self-adhesive backing — engineered for reliable sealing, cushioning, and vibration damping across commercial, industrial, and DIY applications. Each roll measures 10 metres in length and is available in ten widths from 10mm to 100mm, making it equally suited to fine-detail weatherstripping and broad-surface gasketing. The peel-and-stick backing bonds firmly to clean, smooth surfaces, delivering a professional finish without specialist tools or fixings.
Product Overview
| Attribute | Detail |
|---|---|
| Material | Expanded Closed-Cell EPDM Neoprene Sponge |
| Colour | Black |
| Thickness | 2mm |
| Roll Length | 10 metres per roll |
| Adhesive | Self-adhesive one side — peel-off yellow or white backing paper |
| Cell Structure | Expanded Closed Cell (waterproof) |
| Supply Format | Delivered as a coiled roll |
| Grade | Commercial / Industrial |
Available Widths — 10m Roll per Size
Technical Specifications
| Specification | Value | Test Method |
|---|---|---|
| Operating Temperature Range | −40°C to +70°C | — |
| Shore Hardness (00 Scale) | 36° ± 5° | — |
| Density | 120 ± 20 kg/m³ | — |
| Tensile Strength | 400 ± 10% kPa | ASTM D3575 : 2008 |
| Elongation at Break | 120 ± 10% | ASTM D3575 : 2008 |
| Compression @ 25% Deflection | 45 ± 10% kPa | ASTM D1056 : 2007 |
| Compression @ 50% Deflection | 100 ± 10% kPa | ASTM D1056 : 2007 |
| Compression Set (50%, 22h, 20°C) | 25% max. | ASTM D1056-00 |
| Water Absorption (max. change in weight) | 4 ± 10% | ASTM D1056 : 2007 |
| Heat Ageing (100°C, 72h) — Tensile Change | 25 ± 10% | ASTM D1056 : 2007 |
| Heat Ageing (100°C, 72h) — Elongation Change | −15 ± 10% | ASTM D1056 : 2007 |
| Flammability — FMVSS 302 | Burn Rate < 100mm/min — Pass | FMVSS 302 |
| Flammability — UL94 HBF | Pass | UL94 |
| Resistance to Air & UV Light | Excellent | — |
| Resistance to Acids | Good | — |
| Resistance to Oil | Poor — not recommended for oil-immersion use | — |
| Environmental | CFC and HFC Free — Recyclable | — |
| Billet / Block Size (skin/skin) | 200 × 1000 × 54 mm (± 4mm) | — |
Dimensional Tolerances
| Dimension | Tolerance |
|---|---|
| Width 10mm – 25mm | ± 1.0 mm |
| Width 25.1mm – 100mm | ± 1.5 mm |
| Thickness 2mm | ± 0.28 mm |
Material Properties at a Glance
| Property | Rating |
|---|---|
| Waterproof | ✓ Yes — closed-cell structure prevents water ingress |
| UV Resistant | ✓ Excellent |
| Weathering Resistance | ✓ Excellent |
| Compressible | ✓ Yes — sponge consistency for effective gap-filling |
| Self-Adhesive | ✓ Yes — one side, peel-off backing |
| Acid Resistant | ✓ Good |
| Oil Resistant | * Poor — avoid direct oil or solvent contact |
| Petrol / Solvent Resistant | * Not recommended |
Applications
Frequently Asked Questions
What widths are available, and how long is each roll?
Each roll is 10 metres long and 2mm thick. You can select from ten widths: 10mm, 12mm, 15mm, 20mm, 25mm, 30mm, 40mm, 50mm, 75mm, and 100mm.
Is this strip suitable for outdoor use?
Yes. The EPDM neoprene compound offers excellent resistance to UV light, weathering, and temperature extremes from −40°C to +70°C, making it well suited to both indoor and outdoor environments.
How does the self-adhesive backing work?
The strip has a pressure-sensitive adhesive on one side protected by a peel-off backing paper (yellow or white). Simply clean and dry the surface, peel the backing, and press the strip firmly into place. The surface must be smooth, clean, dry, and free of oil or grease for best adhesion.
Is the sponge rubber waterproof?
Yes. The expanded closed-cell structure means the cells are sealed, preventing water absorption and making it effective as a weatherproof seal.
Can it be used in vehicles such as vans, caravans, or boats?
Yes — this strip is widely used in automotive, marine, and leisure vehicle applications for door seals, hatch sealing, draught exclusion, and vibration damping. It is not suitable for areas with direct exposure to petrol, oil, or solvents.
Are there tolerances I should be aware of before ordering?
Yes. Width tolerance is ± 1.0mm for strips up to 25mm wide, and ± 1.5mm for strips from 25.1mm to 100mm wide. Thickness tolerance for the 2mm strip is ± 0.28mm. These are standard manufacturing tolerances for sponge rubber products.
* This material is not recommended for direct exposure to petrol, oil, or solvents.
* Ensure the application surface is smooth, clean, dry, and free of oil or grease prior to bonding.
* Due to the compressible nature of sponge rubber, small tolerances in width and thickness are inherent to the material. The above figures are average values — we recommend verifying suitability for your specific application before use.
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