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Description
Self-Adhesive Sponge Rubber Strip — 1.5mm Thick
A precision-cut, closed-cell EPDM sponge rubber strip supplied in a 10-metre roll with a pressure-sensitive self-adhesive backing. Engineered for reliable sealing, cushioning, vibration damping, and weatherproofing across commercial, industrial, and DIY applications — including windows, doors, vehicles, caravans, and marine environments. Available in ten widths from 10mm to 100mm.
Available Widths
- 10mm
- 12mm
- 15mm
- 20mm
- 25mm
- 30mm
- 40mm
- 50mm
- 75mm
- 100mm
Dimensions & Format
| Parameter | Detail |
|---|---|
| Thickness | 1.5mm (± 0.25mm) |
| Width Options | 10mm, 12mm, 15mm, 20mm, 25mm, 30mm, 40mm, 50mm, 75mm, 100mm |
| Roll Length | 10 metres per roll |
| Colour | Black |
| Backing | Removable yellow or white release liner |
| Supply Format | Coiled roll |
Dimensional Tolerances
| Dimension | Range | Tolerance |
|---|---|---|
| Width | 10mm – 25mm | ± 1.0mm |
| Width | 25.1mm – 100mm | ± 1.5mm |
| Thickness | 1.5mm | ± 0.25mm |
Material & Grade
- Material: EPDM / Neoprene Expanded Closed-Cell Sponge
- Grade: Expanded Closed-Cell Foam
- Structure: Closed-cell (waterproof, non-absorbent)
- Adhesive: Pressure-sensitive self-adhesive one side
- Environmental: CFC and HFC free — recyclable
Technical Specification
| Property | Value / Limit | Test Method |
|---|---|---|
| Hardness (Shore 00 Scale) | 36° ± 5° | — |
| Density | 120 ± 20 kg/m³ | — |
| Operating Temperature Range | −40°C to +70°C | — |
| Tensile Strength | 400 ± 10% kPa | ASTM D3575 : 2008 |
| Elongation at Break (Elongation to Failure) | 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 |
| Tear Strength | See tensile data — closed-cell foam grade | ASTM D3575 |
| 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 |
| Flammability — UL94 HBF | N/A | Pass |
| Resistance to Air & UV Light | Excellent | — |
| Resistance to Acids | Good | — |
| Resistance to Oil / Petrol / Solvents | Poor — not recommended | — |
Key Features
- ✓ Self-adhesive pressure-sensitive backing
- ✓ Waterproof closed-cell structure
- ✓ UV and weathering resistant
- ✓ Compressible and flexible
- ✓ Sound and vibration damping
- ✓ Wide operating temperature range
- ✓ CFC and HFC free — recyclable
- ✓ Ten widths available — 10mm to 100mm
Typical Applications
- Weatherstrip sealing around windows and doors
- Gap sealing and draught exclusion
- Sound damping and acoustic insulation
- Vibration isolation in machinery and equipment
- Cushioning and impact protection
- Non-slip surface applications
- Bumper and edge protection strips
- Caravan, boat, car, van, truck, and trailer sealing
- HVAC and ductwork sealing
- General industrial and DIY sealing tasks
Application Notes
* This material is not suitable for prolonged contact with petrol, solvents, or mineral oils.
* Due to the compressible nature of closed-cell sponge, slight variations in width and thickness are normal within the stated tolerances.
* Strip is delivered as a coiled roll with a removable release liner on the adhesive face.
Frequently Asked Questions
What material is this sponge strip made from?
It is made from expanded closed-cell EPDM/Neoprene sponge rubber — a durable, flexible foam with excellent resistance to UV light, weathering, and moisture.
What temperature range can this strip handle?
It operates reliably from −40°C to +70°C, making it suitable for both cold-weather outdoor sealing and moderate-heat industrial environments.
How do I apply the self-adhesive strip?
Clean the surface thoroughly — it must be dry, smooth, and free of oil or grease. Peel back the release liner and press the strip firmly into position. Apply pressure along the full length for best adhesion.
Can this strip be used outdoors or on vehicles?
Yes. The closed-cell structure is waterproof and the EPDM compound offers excellent UV and weathering resistance, making it well suited for exterior use on buildings, caravans, boats, vans, and trailers.
What widths are available and how is it supplied?
Ten widths are available: 10mm, 12mm, 15mm, 20mm, 25mm, 30mm, 40mm, 50mm, 75mm, and 100mm. Each is supplied as a 10-metre coiled roll at 1.5mm thickness.
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