Per rp-ml users' requests:
DuPont Somos(tm)
Solid Imaging Materials
Product Data (Ascii text form)
DuPont Somos 6110 Photopolymer
High-Accuracy, High-speed, Epoxy for HeCd Stereolithography Systems
Description: Somos 6110 Photopolymer is a low-shrinkage, low-curl,
high-speed, low-odor, epoxy-based liquid which produces rigid, high
accuracy parts.
Application: Somos 6110 Photopolymer is used in the solid imaging
process to build three-dimensional parts. The photopolymer is intended
to be used with layer thickness of approximately 0.152 mm (0.006 inch).
After part formation via UV light exposure, including UV HeCd laser, the
excess resin is removed by rinsing with a solvent such as tripropylene
glycol monomethyl ether (TPM), followed by a rinse in isopropyl alcohol
(IPA). The part is post-cured by UV fluorescent light and, optionally,
by heat.
Optical properties: Initial values for determining working curve for
HeCd Laser
Ec [critical exposure] 8
mJ/cm2
Dp [slope of cure-depth vs. ln(E) curve] 0.142 mm (5.60
mil)
E10 [exposure required to produce panel 0.254 mm (10 mils) thick] 48
mJ/cm2
Physical properties: Liquid photopolymer
Appearance Transparent
Viscosity 300-400 cps at 30oC
Density ~1.15 g/cm at 25oC
UV laser imaged "green" part
TEST No.
D638M Tensile strength 65 MPa 660 kgf/cm^2 9,400
lb/in^2
Elongation at break 11%
Tensile modulus 2,700 MPa 28,000 kgf/cm^2 390,000
lb/in^2
D790M Flexural strength 83 MPa 840 kgf/cm^2 12,000
lb/in^2
Flexural modulus 2,300 MPa 23,000 kgf/cm^2 330,000
lb/in^2
D2240 Hardness (Shore "D" durometer) 86
ISO180/D256A Izod Impact (notched) 38 kJ/m^2 38 J/m 0.71
ft-lb/in
D648 Heat deflection temperature 48 oC
60 min UV postcure of UV laser imaged part
D638M Tensile strength 69 MPa 700 kgf/cm^2 10,000
lb/in^2
Elongation at break 10%
Tensile modulus 2,800 MPa 29,000 kgf/cm^2 410,000
lb/in^2
D790M Flexural strength 94 MPa 958 kgf/cm^2 14,000
lb/in^2
Flexural modulus 2,600 MPa 26,000 kgf/cm^2 370,000
lb/in^2
D2240 Hardness (Shore "D" durometer) 87
ISO180/D256A Izod Impact (notched) 27 kJ/m^2 27 J/m 0.50
ft-lb/in
D648 Heat deflection temperature 50 oC
(may be significantly increased by heating)
Provided by DuPont Solid Imaging Materials Group
2 Penn's Way, Suite 401
New Castle, DE 19720 USA
TEL: (302) 328-5435
FAX: (302) 328-5693
DuPont Somos(tm) World-Wide Web site available soon!
This archive was generated by hypermail 2.1.2 : Tue Jun 05 2001 - 22:37:28 EEST