INSULATION FOR 150mm BORE

Hi ,

Is there any settings in E3D for insulation? I cannot find the reason why the temperature between 251 to 350 deg (see red in below) does not appear physically in the E3D. 

The catref /THK-090 works in other sizes.

HEADING
NAME TYPE TEMP PBOR0 CATREF
*/INSUTHK70:150 INSU 151degC,250degC 150mm /THK-070
*/INSUTHK90:150 INSU 251degC,350degC 150mm /THK-090
*/INSUTHK120:150 INSU 501degC,600degC 150mm /THK-120

Thanks