Alchement - PLA Solid Series, 3D Filament, 1.75mm, 1kg (Silver) Alchement PLA filament is stronger and more rigid / Recommended Extrusion Temperature:185~220 Low melting temperature compared to other thermoplastics./Heated build platform is not required. Sharper details and corners without the risk of cracking or warping. Printed at higher throughput speeds. / 25 Solid Color Selections plus the 3 Special Series Alchements ABS Series has 20 Solid Color selections and an additional 7 special ABS Series