3D Printing Build Plate 257mm For Bambu Lab A1 Printer Platform, Style:PEI Double-sided Coating 1. Double Sided Printing：The PEI frosted surface, presenting the frosted sticker surface a distinctive frosted touch, provides greater adherence to the model and prints without warping. 2. Good Adhesion: The model can be firmly attached to the surface of the print bed. Please let the build plate cool down before remove the model to avoid damaging the coating. 3. Flexible and Easy to Remove: The spring steel sheet is flexible. Prints can be easily removed by hand once the build surface has cooled, or bend the build plate and remove the prints. The print mat would not be out of shape. 4. Compatible Filaments: The film surface is smooth and easy to clean, and can be well adhered to various consumables. The PEI coating surface has a matte texture and can print materials such as PLAPETGPCABSTPUnylon. 5. Compatible 3D Printers: Suitable for 3D printers with 257x257mm platform size, such as suitable for Bambu Lab X1 P1 A1 6. Applicable temperature: PEY 30-90 degrees Celsius, PETPEO 50-120 degrees Celsius, PEI film <= 200 degrees Celsius, PEI coating <= 300 degrees Celsius