This heat insulation cotton is used for 3D printer nozzle keeping warm, the heating insulation cotton is madeheat-resistant ceramic fiber, the product sizes can be customized according to customer needs, the benefit for keeping the key parts of the 3D printer - heating aluminum block warm, is making the internal temperature flat, saving power,and energy.

This High temperature resistant cotton can work for a long time in high temperature of 900 degree.
Size: 85mm*21*2.5mm /-0.1mm

Package included:
4PCS 3D printer heating block cottons