Maximum Service Temperature

ISOVER industrial products are suitable for a range of MST of up to 700°C.

Material guide

Product Group
Low temperature / Acoustic
High temperature / Mechanical resistance

Temperature Arrow

Pipes
Wired mats / Lamella mats
Rolls
Slabs
 

To give guidance on practical service temperature limits, AGI Q 101 has given correction factors based on MST according to EN standards for certain applications:

Power Plant Components
Position
Function
Temperature of the object
Factors

Hori.

Verti.

Thermal
insulation

Cold
insulation

Acoustic
insulation

Max operating temperature
=
Service temp. of the insulant

Reduction factor**

with S.C.*

without S.C.*

S.C.* + air space

Boiler walls

 

OK

OK

   

up to 400 °C

0.8

 

OK

OK

   

up to 520 °C

0.8

Boiler roof areas

OK

 

OK

   

up to 400 °C

0.9

OK

 

OK

    up to 520 °C

0.9

 

 

Dead Rooms

OK

OK

OK

   

up to 400 °C

0.8

OK

OK

OK

   

up to 520 °C

0.8

OK

OK

OK

   

up to 640 °C

0.8

Design-caused bottle necks

OK

OK

OK

   

up to 640 °C

 

Flue-gas ducts, hot-air ducts,
steel chimneys, containers, 
gas-turbine ducts, object > DN 500

OK

OK

OK

 

OK

up to 400 °C

0.9

0.8

0.9

OK

OK

OK

 

OK

up to 520 °C

0.9

0.8

0.9

OK

OK

OK

 

OK

up to 640 °C

0.9

0.8

0.9

Pipes ≤ DN 500

OK

OK

OK

   

up to 400 °C

1.0

0.9

0.9

OK

OK

OK

 

OK

up to 520 °C

0.9

0.9

0.9

OK

OK

OK

 

OK

up to 640 °C

0.9

0.8

0.8

Cold or fresh-air ducts

OK

OK

   

OK

20 °C

 

Technical Building equipment: 
Pipes and ducts in rooms of 
power plant components

OK

OK

 

OK

 

< 20 °C

     

OK

OK

   

OK

20 °C

 

   

OK

OK

OK

 

OK

up to 100 °C

 

   

*S.C. = Support Construction
** For the calculation of the classification temperature needed