PROPERTY |
TEST METHOD |
REQUIREMENTS |
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6.1 Flame spread (test flame to outer fabric) |
EN ISO 15025, Procedure A |
EN 533 Index 3 |
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No flaming to edge |
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No hole formation |
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No flaming or molten debris |
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Mean afterflame≤ 2s |
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Afterglow not to spread |
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6.1 Flame spread ( test flame to innermost lining ) |
EN ISO 15025 Procedure A |
EN 533 Index 3 |
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No flaming to edge |
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No hole formation |
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No flaming or molten debris |
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Mean afterflame≤ 2s |
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Afterglow not to spread |
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6.2 Heat transfer – Flame |
EN 367 |
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Level 1 |
Level 2 |
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HTI24 |
≥9.0 |
≥13.0 |
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HTI24-12 |
≥3.0 |
≥4.0 |
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(based on lowest result) |
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6.3 Heat transfer– Radiation |
EN ISO 6942 Method B at 40kW/m² |
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Level 1 |
Level 2 |
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RHTI24 |
≥10.0 |
≥18.0 |
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RHTI24-12 |
≥3.0 |
≥4.0 |
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(based on lowest result) |
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6.4 Residual strength |
EN ISO 6942 Method A at 10kW/m² |
Tensile strength (EN ISO 13934-1) of outer material≥ 450N (all specimens) |
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6.5 Heat resistance |
ISO 17493 at 180°C |
Materials shall not ignite or melt. Shrinkage≤ 5% |
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6.6 Tensile strength (outer material) |
EN ISO 13934-1 |
≥ 450N |
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6.6 Tensile strength (seamed outer) |
EN ISO 13935-2 |
≥ 225N |
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6.7 Tear strength (outer material) |
EN ISO 13937-2 |
≥ 25N |
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6.8 Surface wetting |
EN 24920 |
Spray rating≥ 4, (based on lowest result) |
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6.9 Dimensional change |
ISO 5077 |
Max ± 3%, (- = shrinkage) |
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6.10 Resistance to penetration by liquid chemicals |
EN ISO 6530 |
No penetration to innermost surface. Repellency rate > 80% |
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1. 40% NaOH |
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2. 36% HCl |
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3. 30% H2SO4 |
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4. 100% o-xylene |
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6.11 Resistance to water penetration |
EN 20811 |
Level 1 < 20kPa |
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Level 2≥ 20kPa |
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6.11 Resistance to water penetration |
EN 20811 |
Level 1 < 20kPa |
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Level 2≥ 20kPa |
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6.12 Water vapour resistance |
EN 31092 |
Level 1 > 30m².Pa/W |
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Level 2≤ 30m².Pa/W |