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2017/09/05
Filaments with reliable quality and environment-friendly feature are people’s first choice. For instance, filaments with metallic powders can print metallic prints; with photosensitive resin is perfect for jewelry and dentistry.
As a professional filament manufacturer, eSUN have a rich range of 3D filaments. Recently we’ve released eABS Max, a much welcomed tougher filament that adds flame retardant efficient performance to ABS+. This time we developed a modified resin filament eASA, one that’s similar to ABS structurally.
About eASA
eASA is an impact modified resin composed of acrylonitrile, styreneand acrylicrubber.
Product feature
With a similarity in structure, eASA has excellent mechanical physical propertyas engineering plastics. Because the butadiene with double bond is replaced, eASA is given outstandingweather resistance, high temperature resistanceand anti-UV performance. At the same time it works as an anti-static materialthat helps to gather less dustonsurface.
PerformanceIndicators
| Performance | Testing method | Unit | ASA线条 | |
| density | ASTM D 792 | g/cm3 | 1.0 | |
| Melt index（220℃/10kg） | ASTM D 1238 | g/10min | 10-15 | |
| Tensile strength | ASTM D 638 | Mpa | 50 | |
| Elongation at break | ASTM D 638 | % | 30 | |
| Bending strength | ASTM D 790 | Mpa | 35 | |
| Bending modulus | ASTM D 790 | Mpa | 4300 | |
| IzodNotch impact strength | ASTM D 256 | KJ/m2 | 19 | |
| Distortion temperature（0.46Mpa） | ASTM D 648 | ℃ | 105 | |
Printing parameters
Printing notices
1. Levelingprinting plate before starting;
2. Heat the hot bed to 70~110℃ 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 print finer articles (about 20%~ 30% degrees);
5.Nozzlediametershould be bigger than layer thickness. Tryparameterlike 0.2, 0.25, and 0.3;
6. Better keep cooling fan off when printing and print in a closed area. Puttingflapperaround printer also helps to keepconstant temperatureenvironment.
PS: eASA has weak tear resistance, please try to avoid drag or twine; it’s also suggested to apply glue to plate to help it stick.
Application area
With weather resistance, high temperature resistance,anti-static and anti-UV performance, eASA can be applied in car, gardening, electronic, architecture, furnishing and other areas.
