Arma-Chek R
Flexible non-metallic covering for industrial insulation
Special features
- Exceptional resistance to UV attack, salt water and mechanical impact.
- Reduces the risk of Corrosion Under Insulation (CUI).
- Excellent acoustic performance with natural dampening properties to reduce re-radiation effects.
| Property | Value / Assessment | Standard / Test method | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Temperature range | ||||||||||
| Service temperature1 |
| |||||||||
| Fire Performance and Approvals | ||||||||||
| Surface spread of flame | Class 0
Class 1 | BS 476 Part 6, BS 476 Part 7 | ||||||||
| Reaction to fire | B-s3, d0 | EN 13501-1, EN 13823, EN ISO 11925-2 | ||||||||
| Surface burning characteristics | < 25 flame spread index | ASTM E84 | ||||||||
| Surface flammability2 | IMO Part 2 (smoke generation and toxicity)
IMO Part 5 (surface flammability) M1 | IMO 2010 FTP Code, Part 2, IMO 2010 FTP Code, Part 5, NF P 92-507 | ||||||||
| Resistance to water vapour | ||||||||||
| Water vapour diffusion resistance factor3 | μ ≥ 50,000 | EN 120864 | ||||||||
| Water vapour permeability | ≤ 3.91 x 10exp(-12) g/(m·s·Pa) (≤0.0027 Perm-inch) | EN 120864 | ||||||||
| Corrosion mitigation | ||||||||||
| Leachable (water-soluble) chlorides5 | ≤ 100 ppm (mg/kg or µg/g) | EN 13468, ASTM C8716 | ||||||||
| Leachable (water-soluble) ammonia ions5 | ≤ 100 ppm (mg/kg or µg/g) | EN 13468, ASTM C8716 | ||||||||
| Physical attributes | ||||||||||
| Density | 1,650 to 1,750 kg/m³ (103.00 to 109.25 lb/ft³) | ISO 845, ASTM D1622 | ||||||||
| Mechanical properties | ||||||||||
| Tensile strength | ≥ 4.5 MPa (≥ 653 psi) [MD] | ISO 377 | ||||||||
| Elongation | ≥ 200% [MD/CD] | ISO 37 | ||||||||
| Tear strength | ≥ 7.0 N/mm (≥ 40 lbf/in) | ISO 34-18 | ||||||||
| Bursting strength5,9 | 582.72 N / 131 lbf
Section 18.2 of the test standard Result for 2mm material only. | ASTM D751 | ||||||||
| Puncture resistance5 | 104.44 N / 23.48 lbf
Result for 2mm material only. | ASTM D751 | ||||||||
| Hydrostatic pressure of joints5 | No leak at 6.89 bar [70.4 m] (100 psi) | ASTM D5385 | ||||||||
| Resistance to mechanical impact | Good | |||||||||
| Acoustic performance | ||||||||||
| System acoustic insertion loss10 | When used as part of a system Arma-Chek R complies to ISO 15665 Classes A to C and Shell DEP 31.46.00.31-Gen Class D. | ISO 15665, ISO 374111 | ||||||||
| Weather and UV resistance | ||||||||||
| UV resistance12 | Excellent | EN ISO 4892-2 | ||||||||
| Weather resistance | Excellent [Allunga Exposure Laboratory test] | |||||||||
| Resistance to ozone13 | Excellent | DIN 53509-1 | ||||||||
| Health and environment | ||||||||||
| Fungal growth5 | No growth | ASTM C1338 | ||||||||
| Other technical features | ||||||||||
| Additional remarks | When installation of Arma-Chek R covering is conducted under ambient temperatures that differ from the final site conditions, or where ambient temperatures are expected to fluctuate, slight wrinkling of the installed Arma-Chek R covering may be expected. Caused by the natural contraction and expansion of the the underlying Armaflex insulation material, this wrinkling is solely aesthetic and has no effect the technical performance or integrity of the installed insulation system. Please consult Technical Services for additional guidance. | |||||||||
| Adhesion and sealing | Armaflex Adhesive 520 or Adhesive HT625 shall be used for reliable adhesion. Minimum overlap should be ensured. Arma-Chek Mastic shall be used for sealing of joints and seams in accordance with our application manual. | |||||||||
| Application conditions14,15 | Application temperature: +5°C to +35°C (+41°F to +95°F)
Max. relative humidity: 80% | |||||||||
| Shelf life16 | Maximum of 3 years. | |||||||||
| Storage | Material shall be stored indoors, in clean and dry conditions, away from direct sunlight and in no direct contact with ground. | |||||||||
1Service temperature determined based on thermal ageing behaviour. 2The product satisfies the criteria of surface flammability (Part 5) for bulkheads, ceilings and linings as required by IMO 2010 FTP Code for insulation of pipe fittings for cold service systems. Further to this mandatory requirement the product satisfies the criteria of surface flammability (Part 5) and smoke generation and toxicity (Part 2) for floor coverings and primary deck coverings. 3Water vapour diffusion resistance factor is based on actual net thickness. 4Equivalent method to ASTM E96. 5Based on single test results. Can be used for information / reference only. 6Specimen prepared according to EN 13486: neither cut, ground nor blended. Test temperature +100°C, leaching time 0.5 hours as specified in the standard for product maximum service temperature. 7Type 2 sample. 8Minimum value in Machine Direction (MD) and in Cross Direction (CD). Method B, procedure (b), angle test piece with a nick. 9Result for 2mm material only. 10For further information, please contact our Customer Service. 11Equivalent method to ASTM E1222. 121000h cracking, no visible discoloration, 3000 / 5000h cracking under microscope, slight discoloration. 13Tested at 48h / 25 ± 5 ppm / 20 ± 2 % elongation / no crack. 14Application temperature refers to the ambient temperature during installation and the surface temperature of the substrate (e.g. ArmaClad Arma-Chek R covering) to which the product is installed. 15For environmental conditions outside the given range, please contact Technical Services. 16Shelf life (maximum storage time) is limited to ensure that only currently manufactured products are installed on projects. This limitation is restricted solely to storage of the product and does not affect the lifetime of product after it has been installed. | ||||||||||