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ARK-W55

ARK-W55 features a non-paper, multi-layer Polyester construction reinforced with a high-strength fiberglass scrim and a slate grey polyester backing layer. This upgraded design provides enhanced thermal stability and improved high-temperature resistance compared to traditional PSK facings. With dual Polyester layers for durability, a reinforced scrim for strength, and a Slate Grey Polyester back layer, ARK-W55 delivers exceptional corrosion resistance, superior anti-aging performance, and long-lasting flame-retardant stability. It is engineered to provide reliable moisture control and consistent protection for wall and roof insulation systems in commercial and industrial buildings.

Key Advantages:

  • Non-paper construction provides outstanding corrosion resistance
  • Dual Polyester layers offer excellent durability and anti-aging performance
  • Enhanced high-temperature resistance and improved thermal stability
  • Maintains stable, long-lasting flame-retardant properties
  • Reinforced scrim ensures strong mechanical performance
  • Slate Grey Polyester backing contributes to consistent protection and durability
  • Delivers reliable moisture control for insulation systems
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Customization

Arkint is a R&D Type factory, we welcome customers to work with us to develop your new products.
PropertyValueTesting Method
Basis Weight14 lbs/1000 ft2 (68 g/m2)Scale
Permeance (WVTR)0.02 perm (1.15 ng/Ns)ASTME96/ProcedureA
Tensile StrengthMD: 36 lbs/inch (6.3 kN/m)
XD: 31 lbs/inch (5.4 kN/m)		ASTM D828
Thickness0.005 inch (135 micron)Micrometer Caliper
Fire RatingClass BASTM E84
Accelerated AgingNo Corrosion
No Delamination		ASTM C1258 30 Days at 95% RH 120°F (49°C)
Low Temperature ResistanceRemains Flexible
No Delamination		ASTM D1263 4 Hours at -20°F (-29°C)
High Temperature ResistanceRemains Flexible
No Delamination		ASTM C1263 Modified 4 Hours at 240°F (116°C)
Water ImmersionNo Delamination24 Hours at 73°F (23°C)
Dimensional Stability0.25%ASTM D1204
Light Reflectance85%ASTM C523

Available Dimension:

Width:

  • 4-6.5 ft (1.2-2 m)

Length:

  • Customizable