... GB8624 Thickness: 6mm, 9mm, 13mm, 19mm, 25mm, 32mm Certification: FM Thermal Insulation Sheet Material features good heat protection, strong load bearing, non-water ... +-101000+-101000+-101000+-101000+-101000+-10Remark: KF19, stand for the sheet of 19(NT) series, the standard thickness is 19mm. Thermal Insulation Sheet