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POR 302/T
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Closed-cell foam rubber.
Applications: thermal insulation and soundproofing - liquid- and gas-tight gaskets in doors, windows, etc.
Vibration damping, waterproofing material for industrial applications, generally.
Sizes: thickness ranging from 1.5 to 60 mm - rolls h 1000x10000 mm - sheets 1000x2000 mm
Made-to-measure profiles
| Technical features | Unit of measurement | Measured values | Standards |
| Composition | NBR/PVC | ||
| Reference standard | SBE 42-43/2B2-2B3 | ASTM D-1056 | |
| Cell structure | closed-cell | ||
| Colour | black | ||
| Density | kg/m3 | 170/220 | ISO 845-88 - ASTM D3575 |
| Water absorption | % | 2<5 | ASTM D 1056 |
| Service temperature range | °C | -0,4 | |
| Shrinkage after 7 days at 70 °C | % | <4 max <5 | ASTM D 1204 |
| Tensile strain at break | % | >220 | ASTM D 412 |
| Break strength | kg/cm2 | 0,65 | ASTM 1056/85 |
| Tearing strength | kg/cm | 4,2 | ASTM D 624 |
| Strengths | AIR+U.V. OTTIMO | ||
| Compressive yield strength at 25% | kg/cm2 | 0,65 | ASTM 1065/85 |
| Compressive force | kPa | 65 | TSM 1501 G - 2A4 |
| Compression set at 50% | % | 15 | ASTM 1056 |
| (22 h at ambient temperature) | |||
| Military standard | MIL R 61300 TYPE 1 | ||
| Hardness | Shore 00 | 55±5 | ASTM D 2240 |
| Fire-resistance rating | UL 94 - HF1 | UL 94/97 | |
| Oil/fuel testing | % | +17 (class C) | ASTM D 1056-00 |
| Vulcanization peroxide | No sulphur |
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