Performance Materials Catalog

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Flame Retardant Fabrics for Fire Containment Systems

Z-Block™ flame retardant fabrics are high temperature polymer coated fiberglass fabrics treated with a proprietary formulation of fire retardants. The high temperature flame retardant fabrics are used in fire curtains, fire containment covers, and custom fire protection systems

Z-Block™ flame retardant fabrics offers exceptional resistance to fire, smoke, and adverse weather and can withstand high temperatures up to 1800°F / 980°C. Z-Block™ is formulated with inorganic materials and will not produce hazardous outgassing.

Z-Block™ fabrics are available with the option of a silicone overcoat (SOC). The high temperature silicone coating creates a smoother finish that protects the flame retardant fabric from abrasion while improving water tightness and UV resistance. 

Newtex also manufactures a small selection of wire reinforced Z-Block™ flame retardant fabrics. These fabrics are woven with stainless steel wires to create a stronger flame retardant fabric with superior abrasion and puncture resistance. Wire reinforced Z-Block™ is ideal for fabricating turbine blankets and other jacketing that will be subject to vibration, abrasion, or repetitive movement.

Z-Block Fire & Smoke has been tested to the following standards:

  • ASTM D6413: Vertical Flame Resistance
  • ASTM E-84: Surface Flame Spread & Smoke Density Testing
  • ASTM F955: Molten Metal Splash Testing
  • FAR 25, Appendix F, Part III & IV: Flame Penetration Resistance & Smoke Density Testing
  • BSS 7239: Toxicity of Products Combustion Testing

Common Applications

  • Static and automatic fire and smoke curtains
  • Fire containment covers (FCC's) for palletized cargo
  • Fire containment bags for personal electronic devices (PED's)
  • Fire resistant covers for roofs and buildings
  • Custom fire protection for heavy equipment
  • Custom removable insulation pads and blankets

Related Downloads

Product Image for Item #1100309

Z-Block F-407 60” SOC

  • Item: 1100309
  • Weight: 15.00 oz/sq yd509 g/sq m
  • Thickness: 15 mils0.38 mm
  • Length: 50.00 yards45.72 m
  • Style: F-407
  • Width: 60.00 in152.00 cm
  • Operating Temp: 1800 °F980 °C
  • Ends X Picks: 48 x 32
Product Image for Item #1100268

Z-Block F-407 60” FS

  • Item: 1100268
  • Weight: 14.00 oz/sq yd475 g/sq m
  • Thickness: 15 mils0.38 mm
  • Length: 50.00 yards45.72 m
  • Style: F-407
  • Width: 60.00 in152.00 cm
  • Operating Temp: 1800 °F980 °C
  • Ends X Picks: 48 x 32
Product Image for Item #1100311

Z-Block A-820 60” FS, Wire

  • Item: 1100311
  • Weight: 36.50 oz/sq yd1238 g/sq m
  • Thickness: 65 mils1.65 mm
  • Length: 50.00 yards45.72 m
  • Style: A-820
  • Width: 60.00 in152.00 cm
  • Operating Temp: 1800 °F980 °C
  • Ends X Picks: 19 x 14
Product Image for Item #1100204

Z-Block F-824 52” FS

  • Item: 1100204
  • Weight: 29.00 oz/sq yd983 g/sq m
  • Thickness: 38 mils0.97 mm
  • Length: 50.00 yards45.72 m
  • Style: F-824
  • Width: 52.00 in132.00 cm
  • Operating Temp: 1800 °F980 °C
  • Ends X Picks: 44 x 35
Product Image for Item #1100303

Z-Block A-2200 60”, 1 Side

  • Item: 1100303
  • Weight: 62.00 oz/sq yd2102 g/sq m
  • Thickness: 125 mils3.17 mm
  • Length: 50.00 yards45.72 m
  • Style: A-2200
  • Width: 60.00 in152.00 cm
  • Operating Temp: 1800 °F980 °C
  • Ends X Picks: 10 x 7