TECH Wired Mat MT 4.1 Alu1/X/X-X

TECH Wired Mat MT 4.1 Alu1/X/X-X

TECH Wired Mat MT 4.1 Alu1/X/X-X

Standard-Plus performance  flexible stone mineral wool wired mats

TECH Wired Mat MT 4.1 is the standard-weight stone mineral wool mat stitched with galvanized wire on hexagonal galvanized wire mesh for flexible installation on uneven structures such as big diameter pipes, tanks and vessels, boilers, exhaust ducts and stacks with a maximum service temperature of up to 640°C.

TECH Wired Mat MT 4.1 is available in AS Quality (CL- <=10ppm) when in contact with austenitic steel structures.

On request available with stainless steel wire (X) or stainless steel wire and wire mesh (X-X) and reinforced aluminium facing (Alu1). 

Product Performances & Benefits

  • High Service Temperatures
  • Thermal Insulation
  • Sound Insulation
  • Fire Reaction


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


50 100 200 300 400 500 600

λD [W / (m.k)]

0.039 0.045 0.062 0.084 0.112 0.146 0.192

Maximum Service Temperature

Tmax = 640 °C under 500 Pa
Tmax = 700 °C

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
  • (CL10 according EN 13468 measurement) on request
  • Do not contribute to corrosion of stainless steel
  • No short term water absorption by partial immersion (WS1)


On request:

Reinforced aluminium facing (Alu1)

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.