• Thickness: 3mmandnbsp, dimension : 75mm*21*3mm +/-0.2mm the heat insulation cotton is used for 3D printer nozzle keeping warm,andnbsp, the heating insulation cotton is made from heat-resistant ceramic fiber,andnbsp, the product sizes can be customized according to customer needs,andnbsp, the benefit for keeping the key parts of the 3D printer - heating aluminum block warm,andnbsp, is making the internal temperature flat, saving power,and energy.Andnbsp, this high temperature resistant cotton can work for a long time in high temperature of 900 degree. Package list: 5*3D printer heat block nozzle heat insulation cotton
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