All you need to know about eSUN new filaments — eSmooth

Post time: 2017-09-04

2017/09/04

All you need to know about eSUN new filaments — eSmooth

As we all know, ordinary FDM desktop 3D printer will bring a circle of linestothe surface of prints, which is the inherent characteristics of FDM technology. If the print accuracy is not high, the smooth surface will be like stairs, often greatly reduced the beauty of the print.

In order to make the surface smoother, a lot of 3D print enthusiasts usually prefer materials that aremuch easier to polish, and even spend mucheffort in it to eliminate the lines.

So eSUN has now adopted the most advanced processing technology and meets the needs of FDM 3D printer, to release a new alcoholpolishing castablefilament—eSmooth, a filament based on modified alcohol-solublecomposites. It has stable performance and adds up to polishing effect.

Description about eSmooth:

1.eSmooth has a translucent, white appearance.

2.Non-toxic, tough, hard, hardto break, good temperature resistance and creep resistance.

3.Good print precision, no warping, stripping or stringing.

4.eSmooth is easy to absorb water, so better drying before print. Remember to choosean ethanol solution over 99.7% purity and work with a spray type polisher for polishing.

5.Environmentally friendly, stable performance, more refined and brighter after polishing, complete decomposition, no carbonation and no residue in 600 ℃, can be used for metal casting

PerformanceIndicators

Performance	Testing method	Unit	Polished filaments
Water absorption	/	％	2
Melt index（190℃/2.16kg）	GB/T 3682	g/10min	4-6
Tensile strength	GB/T 1040	Mpa	46.16
Elongation at break	GB/T 1040	%	273.14
Bending strength	GB/T 9341	Mpa	71.41
Bending modulus	GB/T 9341	Mpa	2799.32
Notch impact strength	GB/T 1843	kJ/m²	4.39
Distortion temperature（0.46Mpa）	GB/T 1634	℃	63.5

eSmooth printing parameters

Best print temperature: 190-210℃
Bed temperature: 45-55℃
Feed rate: 30-90mm/s
Idling speed: 90-150mm/s

Printing notices

1. Levelingprinting plate before starting;

2. Heat the hot bed to 45~55℃ before printing, paste transparent golden polyimide high temperature resistance tape to the surface and keep it clean;

3. Keep a optimumdistancebetween nozzle and plate (which allows you to paint out a flat line while moving your nozzles; if too far the line will be much mellow and too close will be hard to let filament out);

4. A lower filling rate can remit shrinkage crack for ABS during printing process (about 5%~ 10% degrees);

5.Nozzlediametershould be bigger than layer thickness. Tryparameterlike 0.2, 0.25, and 0.3;

6. No need to print in a closed area.

When polishing: Hang the prints in the air to make a full contact with ethanol vapor. The whole process takes 20-30 minutes.

After polishing:

1. The prints normally turn white and soft. Just use tweezersor other tools for air drying. Do not touch bare hands.

2. To achieve best polishing effect, 3-5 days air drying will volatilizesolvent on surfaceand form a hardened layer. Do not dry with oven, or the solvent will volatilizeand destroy polishing effect.

Application area

The polishable filaments can be used to make business models with ornamental values, such as phone models, game models, electron device models, etc.