diff --git a/dumux/material/components/air.hh b/dumux/material/components/air.hh
index a5bb1f9fa5e958581c71c5c340182d0bfe76efa7..1a5c751808020236d91ff600790e8f56247499e8 100644
--- a/dumux/material/components/air.hh
+++ b/dumux/material/components/air.hh
@@ -234,15 +234,19 @@ public:
 
     /*!
      * \brief Thermal conductivity \f$\mathrm{[[W/(m*K)]}\f$ of air.
+     *
      * Isobaric Properties for Nitrogen in: NIST Standard \cite NIST <BR>
      * evaluated at p=.1 MPa, T=20°C <BR>
      * Nitrogen: 0.025398 <BR>
      * Oxygen: 0.026105 <BR>
      * lambda_air is approximately 0.78*lambda_N2+0.22*lambda_O2
+     *
+     * \param temperature absolute temperature in \f$\mathrm{[K]}\f$
+     * \param pressure of the phase in \f$\mathrm{[Pa]}\f$
      */
     static Scalar gasThermalConductivity(Scalar temperature, Scalar pressure)
     {
-        return 0.0255535; // conductivity of pure air [W/(m K)]
+        return 0.0255535;
     }
 };
 
diff --git a/dumux/material/components/co2.hh b/dumux/material/components/co2.hh
index c0ad2c2e3e6f4bd95fd8eb6991fb27ab92721729..c217e12c9cb80ab204a94bb4a83cbd938adc7723 100644
--- a/dumux/material/components/co2.hh
+++ b/dumux/material/components/co2.hh
@@ -347,6 +347,20 @@ public:
         // no difference for supercritical CO2
         return gasViscosity(temperature, pressure);
     }
+
+    /*!
+     * \brief Thermal conductivity \f$\mathrm{[[W/(m*K)]}\f$ of CO2.
+     *
+     * Thermal conductivity of CO2 at T=20°C, see:
+     * http://www.engineeringtoolbox.com/carbon-dioxide-d_1000.html
+     *
+     * \param temperature absolute temperature in \f$\mathrm{[K]}\f$
+     * \param pressure of the phase in \f$\mathrm{[Pa]}\f$
+     */
+    static Scalar gasThermalConductivity(Scalar temperature, Scalar pressure)
+    {
+        return 0.087;
+    }
 };
 
 template <class Scalar, class CO2Tables>
diff --git a/dumux/material/components/mesitylene.hh b/dumux/material/components/mesitylene.hh
index 32e355d32f6c643a115f8453ebe0195c4e2d330e..76ee24cee07b6cc0b89986d733080bbe2ceb3575 100644
--- a/dumux/material/components/mesitylene.hh
+++ b/dumux/material/components/mesitylene.hh
@@ -317,6 +317,19 @@ public:
         return (C6H5 + 3*CH3 - 2*H)/molarMass(); // J/(mol K) -> J/(kg K)
     }
 
+    /*!
+     * \brief Thermal conductivity \f$\mathrm{[[W/(m*K)]}\f$ of mesitylene
+     *
+     * see: http://pubs.acs.org/doi/pdf/10.1021/ci000139t
+     *
+     * \param temperature absolute temperature in \f$\mathrm{[K]}\f$
+     * \param pressure of the phase in \f$\mathrm{[Pa]}\f$
+     */
+    static Scalar liquidThermalConductivity( Scalar temperature,  Scalar pressure)
+    {
+        return 0.1351;
+    }
+
 protected:
     /*!
      * \brief The molar density of pure mesitylene at a given pressure and temperature
diff --git a/dumux/material/components/n2.hh b/dumux/material/components/n2.hh
index 4d5cb57be0d3ccb18185e25b0499a9b1dddf2e33..9df5eddd4677ffefa66923bf1915dab749df9912 100644
--- a/dumux/material/components/n2.hh
+++ b/dumux/material/components/n2.hh
@@ -272,6 +272,22 @@ public:
         // convertion from micro poise to Pa s
         return mu/1e6 / 10;
     }
+
+    /*!
+     * \brief Thermal conductivity \f$\mathrm{[[W/(m*K)]}\f$ of nitrogen.
+     *
+     * Isobaric Properties for Nitrogen and Oxygen in: NIST Standard
+     * Reference Database Number 69, Eds. P.J. Linstrom and
+     * W.G. Mallard evaluated at p=.1 MPa, does not
+     * change dramatically with p and can be interpolated linearly with temperature
+     *
+     * \param temperature absolute temperature in \f$\mathrm{[K]}\f$
+     * \param pressure of the phase in \f$\mathrm{[Pa]}\f$
+     */
+    static Scalar gasThermalConductivity(Scalar temperature, Scalar pressure)
+    {
+        return 6.525e-5 * (temperature - 273.15) + 0.024031;
+    }
 };
 
 } // end namespace
diff --git a/dumux/material/components/o2.hh b/dumux/material/components/o2.hh
index df3ce0b4a83c17a4f658e69d4da60dfb3653096c..28df1fcbd593202438d0450d1fa9e036702ed206 100644
--- a/dumux/material/components/o2.hh
+++ b/dumux/material/components/o2.hh
@@ -221,6 +221,22 @@ public:
         // convertion from micro poise to Pa s
         return mu/1e6 / 10;
     }
+
+    /*!
+     * \brief Thermal conductivity \f$\mathrm{[[W/(m*K)]}\f$ of nitrogen.
+     *
+     * Isobaric Properties for Nitrogen and Oxygen in: NIST Standard
+     * Reference Database Number 69, Eds. P.J. Linstrom and
+     * W.G. Mallard evaluated at p=.1 MPa, does not
+     * change dramatically with p and can be interpolated linearly with temperature
+     *
+     * \param temperature absolute temperature in \f$\mathrm{[K]}\f$
+     * \param pressure of the phase in \f$\mathrm{[Pa]}\f$
+     */
+    static Scalar gasThermalConductivity(Scalar temperature, Scalar pressure)
+    {
+        return 8.044e-5 * (temperature - 273.15) + 0.024486;
+    }
 };
 
 } // end namespace
diff --git a/dumux/material/components/xylene.hh b/dumux/material/components/xylene.hh
index 81ed4d1a83fd328d6c754f321ab8ae3bd970bb34..785685281e92826ef1f65ebfcab16a3445d1d370 100644
--- a/dumux/material/components/xylene.hh
+++ b/dumux/material/components/xylene.hh
@@ -354,6 +354,20 @@ public:
 
         return r; // [Pa s]
     }
+
+    /*!
+     * \brief Thermal conductivity \f$\mathrm{[[W/(m*K)]}\f$ of xylene
+     *
+     * Thermal Conductivity of p-Xylene taken from the Dortmund Data Bank, see:
+     * http://www.ddbst.de/en/EED/PCP/TCN_C176.php
+     *
+     * \param temperature absolute temperature in \f$\mathrm{[K]}\f$
+     * \param pressure of the phase in \f$\mathrm{[Pa]}\f$
+     */
+    static Scalar liquidThermalConductivity( Scalar temperature,  Scalar pressure)
+    {
+        return 0.13;
+    }
 };
 
 } // end namespace