SLA5000
Resin Properties of our 20" x 20" platform machines
| MEASUREMENT | METHOD | NEW DSM Somos 11122 Watershed XCTM (See Note Below) |
DSM Somos 9420 EP White |
| Tensile Strength | ASTM D 638 | 6,831-7,774 psi | 4,400-4,700 psi |
| Modulus of Elasticity | ASTM D 638M | 384-418 Kpsi | 178-212 Kpsi |
| Flexural Strength | ASTM D 790 | 9,912-10,756 psi | 6,000-6,700 psi |
| Flexural Modulus | ASTM D 790 | 296-344 Kpsi | 190-211 Kpsi |
| Elongation at Break | ASTM D 638 | 11-20% | 15-25 % |
| Impact Strength, Notched | ASTM D 256 | 0.4-0.6 ft-lbs/in | 0.9-1.0 f-lb/in |
| Hardness, Shore D | DIN 53505 | N/A | 80-82 |
| Heat Deflection Temp. | ASTM D 648 | 115-130oF (46-54oC) | 126-142oF(52-61oC) |
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Comparison Chart of WaterShed to engineering materials
SLA250
Resin Properties of our 10" x 10" platform machine
| Material Properties | Units | WaterShed™ 11112 XC | Somos 9110 |
| Tensile Strength | ASTM D 638 | 6,237 psi (43MPa) |
4,500 psi (31 MPa) |
| Tensile Modulus | ASTM D 638 | 2,190 MPa | |
| Flexural Strength | ASTM D 790 | 11,000 psi (77.9MPa) |
6,400 psi (44 MPa) |
| Flexural Modulus | ASTM D 790 | 344,000
psi (2,370MPa) |
210,000
psi (1,450 MPa) |
| Elongation at Break | ASTM D 638 | 18% | |
| Impact Strength, Notched | ASTM D 256 | 0.57 ft-lbs./in | 1.03
f-lbs./in (55 J/m) |
| Hardness, Shore D | DIN 53505 | 83 | 83 |
| Density | |||
| Heat Deflection Temp. | ASTM D 648 | 136°F ( 58°C) |
122o F (50o C) |
| @66psi UV |
NOTE:Watershed XC is has USP
Class VI approval for use in
medical applications for biomedical or skin contact.