ArmaFlex Class 1
Built-in water vapour barrier to reduce risk of corrosion under insulation.
Technical information ArmaFlex Class 1
Material type
Flexible elastomeric foam based on synthetic rubber (NBR).
| Property | Value / Assessment | Standard / Test method | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Temperature range | ||||||||||
| Service temperature |
| |||||||||
| Thermal conductivity | ||||||||||
| Declared thermal conductivity |
| GB/T 10295, GB/T 10296, ASTM C518, EN ISO 8497 | ||||||||
| Fire Performance and Approvals | ||||||||||
| Surface spread of flame | Class 1 | BS 476 Part 7 | ||||||||
| FM approved | Yes | FM 4924 | ||||||||
| Flammability | ||||||||||
| Flammability of plastic materials | V-0 rating | UL 94 | ||||||||
| Fire performance | ||||||||||
| Practical fire behaviour | Does not generate flaming droplets. | |||||||||
| Others | Product conforms to requirements for building products under the Fire Safety and Shelter Department of Singapore. | |||||||||
| Resistance to water vapour | ||||||||||
| Water vapour diffusion resistance factor | μ ≥ 10,000 | GB/T 17146, EN 12086, EN 13469 | ||||||||
| Water vapour permeability | ≤ 1.96 x 10⁻¹¹ g/(m·s·Pa) | GB/T 17146, EN 12086, EN 13469 | ||||||||
| Resistance to water | ||||||||||
| Water absorption by vacuum | ≤ 0.5% by volume | GB/T 17794 | ||||||||
| Mechanical properties | ||||||||||
| Resilience after compression relief | ≥ 70% | GB/T 6669 | ||||||||
| Weather and UV resistance | ||||||||||
| UV resistance | For UV protection, ArmaFinish Paint or Arma-Chek® covering system is required. For outside use, ArmaFlex should be protected within three days of installation. | |||||||||
| Health and environment | ||||||||||
| Health aspects | Free of fibre and formaldehyde. Low Volatile Organic Compounds (VOC), low total aldehyde.
GREENGUARD Gold for even lower VOC and total chemical emissions. | UL 2818 | ||||||||
| Environmental aspects | Zero ODP and GWP. | |||||||||
| Environmental Product Declaration (EPD) | Type III EPD: Declaration number 4789125188.101.1, UL Environment. | |||||||||
| Green building assessment | Singapore Green Building Product Certified: “Excellent” rating. | |||||||||
| Other technical features | ||||||||||
| Chemical resistance | Please consult product test list. | |||||||||
| Shelf life | Self-adhesive sheets, tubes and tapes: 1 year | |||||||||
| Storage | Material shall be stored in dry, clean rooms at normal relative humidity (50% to 70%) and ambient temperature (0°C to 35 °C). | |||||||||