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SLA Materials

11122 XC Watershed
11122 XC Watershed is a low viscosity liquid photopolymer that produces strong, tough, water-resistant parts. It offers many properties that mimic traditional engineering plastics including ABS and PBT. This makes the material ideal for many applications in the automotive, medical, and consumer electronics markets. Most importantly parts created with 11122 XC Watershed are nearly colorless and look more like true, clear engineered plastic.
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18420 Protogen
18420 Protogen is a liquid, ABS-like, white colored photopolymer, providing considerable processing latitude and has excellent tolerance to a broad range of temperatures and humidity. 18420 Protogen is ideal for the medical, electronic, aerospace and automotive market. (Higher mechanical properties may be achieved through thermal postcure).
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NeXt
NeXt is an extremely durable stereolithography (SL)resin that produces very accurate parts with high feature detail. Based on the DMX-SL technology, NeXt is a next generation of material that facilitates the production of tough, complex parts with improved moisture resistance and greater thermal properties.
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PerForm
PerForm has the lowest viscosity of any stereolithography material and produces parts with excellent detail resolution, outstanding stiffness, and superior high heat tolerance. PerForm parts build faster and make excellent applications for tooling, wind tunnel testing, high temperature testing, electrical casings, and automotive housings.

The following comparison is to help in selecting a stereolithography resin for your project. If you need additional assistance or have questions, please contact your project manager at (800) 549-5414.

Technical Data Comparison Chart
PHYSICAL PROPERTIES
Properties Appearance Viscosity Density
18420 Protogen White ~350 cps @30 °C ~1.16 g/cm3 @ 25°C
18920 Protogen Gray ~350 cps @30 °C ~1.16 g/cm3 @ 25°C
11122 XC Watershed Optically clear, near colorless ~260 cps @30 °C ~1.12 g/cm3@ 25 °C
NeXt White ~1,000 cps @30°C 1.17 g/cm3 @ 25°C
PerForm Off-White ~1,000 cps @30°C ~1.61 g/cm3 @ 25°C


MECHANICAL PROPERTIES
PROPERTIES Tensile
Strength
Elongation
at Break
Elongation
at Yield
Modulus of
Elasticity
Flexural
Strength
Flexural
Modulus
Units ksi % % kpsi ksi kpsi
ASTM D638M D638M D638M D638M D790M D790M
18420 Protogen 42.2-43.8 MPa 8-16%     66.7-70.5 MPa 1,990-2,130 MPa
18920 Protogen 42.2-43.8 MPa 8-16%     66.7-70.5 MPa 1,990-2,130 MPa
11122 XC Watershed 6831-7774 11/20/12 3.3-3.5 384-418 9,152-10,765 296-344
NeXt @Break 4.5 – 5.0
@Yield 5.9 – 6.3
08/10/12 3   67.8-70.8 MPa 2,415-2,525 MPa
PerForm 68 MPa 1.1%     120 MPa 10,000 MPa


MECHANICAL PROPERTIES
PROPERTIES IZOD Impact - Notched Index of Refraction Hardness (shore D) Graves Tear Water Absorption
Units lb/in     lbf/in %
ASTM D256A D542 D2240 D1004 D570
18420 Protogen 0.20-.22j/cm   86-88   0.68%
18920 Protogen 0.20-.22j/cm   86-88   0.68%
11122 XC Watershed 0.4-0.6 1.5.13-1.515   833-858 0.35
NeXt 0.47-0.52j/cm   82   0.39-0.41
PerForm 17j/cm   94   0.2%


THERMAL AND ELECTRICAL PROPERTIES
PROPERTIES C.T.E.
-40°F to -32°F
C.T.E.
32°F to 122°F
C.T.E.
122°F to 212°F
C.T.E.
212°F to 302°F
Units uln/in-°F uln/in-°F uln/in-°F uln/in-°F
ASTM E831-00 E831-00 E831-00 E831-00
18420 Protogen 4.1.4-41.9 56.2-61.3 63.6-75.4 71.9-76.7
18920 Protogen 4.1.4-41.9 56.2-61.3 63.6-75.4 71.9-76.7
11122 XC Watershed 37 50-53 94-105 103-105
NeXt 39.7-41.3 59.2-63.6 93.7-97.4 93.8-98.0
PerForm 16.6 27.4 43.9 45.0


THERMAL AND ELECTRICAL PROPERTIES
PROPERTIES Dielectric Constant 60Hz Dielectric Constant 1KHz Dielectric Constant 1MHz Dielectric Strength Tg
Units     lbf/in V/mil °F
ASTM D150-98 D150-98 D150-98 D149-97a E1545-00
18420 Protogen   3.4-3.5 3.1-3.3 13.2-14.2 kV/mm 57-59°C
18920 Protogen   3.4-3.5 3.1-3.3 13.2-14.2 kV/mm 57-59°C
11122 XC Watershed 3.9-4.1 3.7-3.9 3.4-3.5 390-413 102-109
NeXt 4.65 3.97 3.62 379-395 109-116
PerForm 4.0 3.8 3.6 26.3 162


THERMAL AND ELECTRICAL PROPERTIES
PROPERTIES HDT @ 0.46 MPa HDT @ 1.81 MPa HDT @ 66 psi HDT @ 264 psi
Units °F °F °F °F
ASTM D648-98c D648-98c D648-98c D648-98c
18420 Protogen 53-56°C 46-47°C    
18920 Protogen 53-56°C 46-47°C    
11122 XC Watershed 115-130 120    
NeXt 131-141 119-124 131-134  
PerForm 270 180    
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