►Top Quality 3D Pen Filament Refills We ensure our product's quality is first class. We do not use waste or recyclable materials for our 3d pen filament refills. We only use PLA as our main initial material. Providentially, PLA is a polylactic acid or polylactide which is a biodegradable (eco-friendly) and bioactive thermoplastic polyester derived mainly from renewable resources, such as, corn starch, sugarcane, cassava roots or chips► Production ProcessBefore production of the PLA filament refills for the 3d pen our manufacturer takes a substantial amount of time to dry the PLA materials and then mix it with the color powder certified by RoHS. The manufacturer then adjusts the temperature to the appropriate level and traction rate to obtain a diameter in the range of 1.72-1.78mm and a dimensional accuracy +/- 0.02. ►RoHS CertificationThe engineers have to follow a certain color formula, plastic modification, packaging and whole production quality control in order to comply with the RoHS Test► Perfect gift for a creative person What better gift to award to someone dear to you. If you are a parent looking for the perfect gift for your child then we got you. Our 3D pen together with our 3d printing filaments could be a perfect present. This is because 3D printing/ 3D painting develops your kid's imagination and helps them think critically and also outside the box. With our range of glow in the dark and transparent colors, your child will be able to create amazing 3D objects. The after-feeling is magical. It is the ultimate gift for those who love to create. What about creating your own glow in the dark party supplies and then selling them on Amazon?! These 3D pen filament refills can really change your life. The pictures that come out clear vivid and are almost life like.►Advantages of using PLA over other 3D printing materialsNo notable smell of hot plastic like
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