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Polyjet Design Guidelines

Please note that these are are GUIDELINES, not hard and fast rules. Follow these and you should be in pretty good shape, but we'll let you know if we see any problems.

Parameter Inches Milimeters
Min Supported Wall Thickness 0.030 0.75
Min Unsupported Wall Thickness 0.040 1.00
Min Supported Bosses 0.030 0.75
Min Unsupported Bosses 0.040 1.00
Min Embossed Detail (Height and Width) 0.010 0.25
Min Engraved Detail (Height and Width) 0.010 0.25
Clearance 0.010 0.25
 

Objet Material Options

 

Standard Material Properties

Durus White (Polypropylene-like material)

Property Value Units
Tensile Strength 2900-4350 psi
Elongation at Break 40-50 %
Elastic Modulus 145,000-175,000 psi
Flexural Strength 4350-5800 psi
Flexural Modulus 175,000-230,000 psi
HDT @ 65 psi 99-108 °F
HDT @ 265 psi 90-93 °F
Izod Notched Impact 0.749-0.937 ft lb/inch
Water Absorption 1.5-1.9 %
Glass Transition 95-99 °F
Shore Hardness 74-78 D
Rockwell Hardness No Data Scale M
Polymerized Density 1.15-1.17 g/cm3
Ash Content 0.10-0.12 %
 

VeroWhite (Acrylic)

Property Value Units
Tensile Strength 7250-9450 psi
Elongation at Break 10-25 %
Elastic Modulus 290,000-435,000 psi
Flexural Strength 11,000-16,000 psi
Flexural Modulus 320,000-465,000 psi
HDT @ 65 psi 113-122 °F
HDT @ 265 psi 113-122 °F
Izod Notched Impact 0.375-0.562 ft lb/inch
Water Absorption 1.1-1.5 %
Glass Transition 126-129 °F
Shore Hardness 83-86 D
Rockwell Hardness 73-76 Scale M
Polymerized Density 1.17-1.18 g/cm3
Ash Content 0.01-0.02 %
 

VeroClear (Acrylic)

Property Value Units
Tensile Strength 7250-9450 psi
Elongation at Break 10-25 %
Elastic Modulus 290,000-435,000 psi
Flexural Strength 11,000-16,000 psi
Flexural Modulus 320,000-465,000 psi
HDT @ 65 psi 113-122 °F
HDT @ 265 psi 113-122 °F
Izod Notched Impact 0.375-0.562 ft lb/inch
Water Absorption 1.1-1.5 %
Glass Transition 126-129 °F
Shore Hardness 83-86 D
Rockwell Hardness 73-76 Scale M
Polymerized Density 1.18-1.19 g/cm3
Ash Content 0.02-0.06 %