Alchement - ABS Solid Series, 3D Filament, 1.75mm, 1kg (Silver) Alchements ABS Series has a high glass transition temperature to reduce deformation ABS Series filament needs to be printed on a heated bed because the filament will curl upwards of th It is also soluble in acetone, and it can be easily sanded and machined. ABS Series has ideal strength, machinability, and temperature resistance making it a favorite filame Alchements ABS Series has 20 Solid Color selections and an additional 7 special ABS Series