This standard specifies requirements for mineral wool (rock wool and slag wool) in board form, intended for thermal insulation purposes. It covers material composition, dimensions, tolerances, and physical properties like density, thermal conductivity, and non-combustibility, along with testing, sampling, and marking guidelines.
Specifies requirements for mineral wool board type thermal insulating materials used in buildings and industrial applications.
Quick Reference Values
Standard length of pipe section1000 mm
Length tolerance± 5 mm
Thickness tolerance± 3 mm or ±10%, whichever is greater
Max thermal conductivity (density ≥ 100 kg/m³ at 50°C mean temp)0.040 W/m.K
Max thermal conductivity (density ≥ 100 kg/m³ at 100°C mean temp)0.048 W/m.K
Maximum service temperature (density 100 to <140 kg/m³)650 °C
Maximum service temperature (density ≥ 140 kg/m³)750 °C
Practical Notes
Ensure the correct density is specified for the required maximum service temperature as per Table 3.
The outer diameter of the insulation must match the pipe's outer diameter, and sections must be tightly butted to avoid thermal bridges.
For cold applications or to prevent moisture ingress, an appropriate vapor barrier (e.g., FSK facing) is crucial and must be specified.