10PCS 3D Printer Heating Block Cotton Insulation Pads - 2mm Thick Hot End Nozzle Accessories for Ender 3, CR-10, Prusa - Prevent Heat Creep & Improve Print Quality | Perfect for ABS, PLA, PETG Filaments

Specifications:heater block cotton safe working temperature: <300 °CPLA（190°C-230°C）ABS（230°C-250°C）Heating block cotton (<300°C)Package List:10 * Heat block protection cottonNote:1. This heater block is working properly and some slight fumes may appear.2. The colour will turn dark brown, black is normal, it won't burn! Please feel free to use!3. Must pay attention to the safe working temperature of consumables and accessories of 3D printer, otherwise it may cause high-temperature hazard!!

Heating Block Cotton: Heating block cotton is made of ceramic fibre paper and high-temperature film as the main material. Has excellent quality and durability.

Can be Cut Arbitrarily: You can pierce or cut for the right size that fits the cotton.

High-Quality Insulating Material: Insulation, better insulation heaters and consumables.

Temperature Instructions for Use: It is recommended that the safe working temperature be lower than 300 °C.

Best Service: We strive to provide you with the highest quality product and the best customer experience. If you have any questions about our products, please feel free to contact us.