Insulating power of insulating materials (glass wool, rock wool, polystyrene, etc.)

Thermal transmission coefficients (lambda) of industrial insulating materials: wood or rock wool, expanded or extruded polystyrene, Polyurethane, Phenolic, etc.)

This article is part of a general article on the heat transfer coefficients

Lambda given in W / mK

  • Rockwool class RA1 0.017

  • Rockwool class RA2 0.041

  • Rockwool class RA3 0.038

  • Rockwool class RB3 0.039

  • Rockwool class RB4 0.041

  • class glass wool VA1 0.047

  • class glass wool VA2 0.042

  • class glass wool VA3 0.039

  • class glass wool VA4 0.037

  • class glass wool VA5 0.034

  • class glass wool VB1 0.051

  • class glass wool VB2 0.045

  • class glass wool VB3 0.041

  • class glass wool VB4 0.038

  • class glass wool VB5 0.035

  • class glass wool VC1 0.056

  • class glass wool VC2 0.049

  • class glass wool VC3 0.044

  • class glass wool VC4 0.040

  • class glass wool VC5 0.036

  • class glass wool VD1 0.050

  • class glass wool VD2 0.048

  • class glass wool VD3 0.043

  • class glass wool VE1 0.037

  • class glass wool VE2 0.039

  • Polyurethane foam plate with Plasterboard or wood derivatives 0.035

  • polyurethane foam between glass or metal plates 0.035

  • rigid phenolic foam 0.035

  • polyvinyl chloride rigid foam Q2 0.031

  • polyvinyl chloride rigid foam Q3 0.034

  • extruded polystyrene Styrodur 0.032

  • EPS ref. AM 0.058

  • EPS ref. BM or CM 0.047

  • EPS ref. Or CC 0.043

  • EPS ref. DM or DC 0.041

  • EPS ref. EM or EC 0.039

  • EPS ref. FM or FC 0.037

  • EPS ref. GM or GC 0.036

More:
- Forum insulation
- Folder comparison on natural and ecological insulation
- Properties of others insulating materials, lambda coefficients of thermal transmission

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