TECH Loose Wool QN

TECH Loose Wool QN

TECH Loose Wool QN

Nuclear-quality-designed special loose white glass mineral wool roll

TECH Loose Wool is a non-bonded, resilient white glass mineral wool roll with almost no organic content specially designed to meet the tough requirements of the nuclear power industry for insulation inside the nuclear island. It can be used for insulation of dead spaces, joints or as a basis filling for industrial mattresses. The resilience of the special glass mineral wool fibers will guaranty a longlasting sustainable performance.

The product is designed to be applied on walls of vessels containing cryogenic liquids, as well as allows to insulate inaccessible cavities and confined spaces. 

Product Performances & Benefits

  • Nuclear Plant Quality
  • High Flexibility
  • Lightweight
  • Fire Reaction
  • Improved Logistics


Technical characteristics in compliance with applicable regulations.This section features all the technical characteristics required for references standards: EN 14706, ASTM C411, EN 12667, EN 13787, ISO 10456, EN 13501-1, ASTM E84, AGI Q132, EN 13468, ASTM C795, EN 1609, EN 14303 and ISO 9001.

Thermal conductivities*


-120 -80 -30 0 50 100 150 200 300

λD [W / (m.k)]

0.017 0.022 0.027 0.031 0.038 0.045 0.052 0.062 0.083

* Indicative values for a homogeneous density of around 60 kg/m3. Values may vary according to density and stuffing quality.

Maximum Service Temperature

Tmax = 400 °C under 500 Pa

Specific Thermal capacity

1,03 [kJ/(kg•K)]

Behaviour in fire

  • Non combustible; Euroclass A1
  • Fire Spread Index = 0; Smoke Development Index < 20

Chemical behaviour

  • AS-Quality
  • Do not contribute to corrosion of stainless steel
  • Do not contain silicone


Other information

Quality, Health & Environment

  • CE-marked according to EN 14303
  • ISOVER is certified according to EN ISO 9001 and EN ISO 14001

Delivery Form / Standard Dimensions / Packaging

Please contact your local ISOVER dealer. All dimensions require minimum order quantities.