Kwark is a high performance silica aerogel material. This innovative filler is ideal for those seeking high thermal performances and high-value-added products such as durable, lightweight, breathable, inert and sound attenuation products


  • High performance: thermal conductivity of 0.018 – 0.022 W/(m.K) as granular bed (0.012 W/(m.K) intrinsically)
  • Stable in front of all external conditions: from -195°C to 450°C
  • Excellent fire behaviour: non-flammable material, no particles or flaming droplets, no toxic smoke released
  • Suitable for various applications: particle sizes from 0.01 mm to 3.5 mm
  • Lightweight: bulk density of 75 kg/m3

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