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Testing eSun PLA filaments: PLA-ST vs PLA+ vs Silk PLA

Title: Testing eSun PLA filaments: PLA-ST vs PLA+ vs Silk PLA. Watch on youtube: https://youtu.be/uDXgE7os0Pg

Tags: 3dprint, esun, strength test, material test,

In this video I am testing eSun PLA filaments from mechanical strength aspect. In the test: eSilk PLA, PLA+ and PLA-ST. This is a comparison test, but I will try to keep these test specimens as some kind of my own standard, so they are comparable with each other. Results can be downloaded from my website in PDF format.
eSun filaments:
https://www.esun3d.net/Products/Filaments

16 brands comparison video (part 2):
https://youtu.be/Ablfqc3A_uE

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Results (or download PDF below this text)

			Average
Tensile	test 1	test 2	Tensile [kg]
Silk	95.2	90.2	92.7
PLA+	94.6	98	96.3
PLA-St	67.2	68.2	67.7

			Average
Layer adhesion	test 1	test 2	Layer adh [kg]
Silk	10.2	15.8	13
PLA+	36	49	42.5
PLA-St	23.6	34.8	29.2

			Average
Shear	test 1	test 2	Shear [kg]
Silk	129	121.6	125.3
PLA+	131	133.6	132.3
PLA-St	114	112.6	113.3

Bending	2 mm deform kg	Break kg
Silk	9.8	22.25
PLA+	10.75	22
PLA-St	7.2	15.05

Impact test
based on ISO 180 (IZOD test specimen)
Tensile	dist from 0 [mm]	Ebreak [J]
Silk	25	0.123
PLA+	31	0.152
PLA-St	276	1.354

E br = m * g * H = 0.5 kg * 9.81 m/s2 * H [m]

Torque (twist) test
Torque	test 1	test 2	Torque [Nm]	twists
Silk	1.8	1.8	1.8	360°
PLA+	1.9	1.8	1.85	90°
PLA-St	1.2	1.4	1.3	135°

Temperature test, first movement at:
Temp	°C
Silk	50
PLA+	50
PLA-St	50

Contents:
0:00 About eSun PLA filaments
1:00 Closer look
3:11 3D printing eSilk
3:36 3D printing PLA+
4:03 3D printing PLA-ST
5:37 Tensile test
6:50 Layer adhesion test
8:12 Shear test
9:17 Bending test
10:55 Twist test
12:55 Impact test
14:27 Temperature test
15:16 Conclusions

#esun #esunfilaments #3dprinting #filamentreview

Download files:

bending.stl 0.7 kB [View»]
esun_pla_results.pdf 145.7 kB
izod_specimen.stl 9.3 kB [View»]
layer_adhesion.stl 243.9 kB [View»]
shear_5mm.stl 102.1 kB [View»]
temperature_test.stl 1.5 kB [View»]
tensile.stl 62.7 kB [View»]
twist.stl 83.9 kB [View»]