China manufacturer ABS PLA plastic spools filament 1.75mm 3mm extruder for 3d printer 3d pen

1.No bubble.

2.Imported raw material,without impurity.

3.100% eco-friendly material,accord food grade requirement.

4.Good strength of extension,ductility and fluidity.

5.Non-toxic,without any stimulation,healthy,safe and eco-friendly.

6.Able to be processed with spray paint,electroplate.

Product description:

1. All of our 3D printer filaments are 100% virgin material,never use recycled material or regrind material,and all had achieved the latest certificate.

2.Before the mass production,our engineer always do the test to make sure that each batch of new raw materials must be printed by 3D printer.

3.The Laser diameter runs automatically to control the diameter of the filaments and keeps it in a right range of 1.75/3.0mm,and our engineer will adjust it immediately when it alarms to indicate of wrong size,and this unqualified filament will be cut off and never use it.

4.To keep the filaments dry,each roll of filament is packed in a vacuumed polybag with a desiccant inside of it.