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Adaptive3D Elastic ToughRubber™ 70 (ETR 70) Elastomer for DLP
Categories: Polymer; 3D Printing/Additive Manufacturing Polymer; Thermoset; Rubber or Thermoset Elastomer (TSE)

Material Notes: Elastic ToughRubber™ 70 is flexible and has an excellent elongation to break performance snapping back to shape each time. It is the perfect elastomer for shoe midsoles and heel cups, seals, door boots, bellows, foam-like lattice structures and impact parts. Elastic ToughRubber™ 70 is part of the Elastic ToughRubber family of elastomers with a one-part one-pot polymer system. This means there is no mixing of two materials in the proper ratios, which can lead to poor quality if not done correctly. ETR is also pot stable so there is no wasted resin at the end of the print.

Applications: manufacturing, consumer goods, automotive, aerospace, foam replacement, seals and gaskets.

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Physical PropertiesOriginal ValueComments
Density 1.056 g/ccLiquid
Viscosity 4350 cPLiquid as Supplied
 
Mechanical PropertiesOriginal ValueComments
Hardness, Shore A 75
Tensile Strength, Ultimate 7.60 MPa
Elongation at Break 400 %
Tensile Modulus 14.0 MPaStorage; ASTM D4065
Resilience 40% Bayshore; ASTM D2632
 40.0[%], Bayshore; ASTM D2632
Tear Strength 31.0 kN/m
Compression Set 34.0 %
@Treatment Temp. 25.0 °C,
Time 79200 sec
ASTM D395 Method B Type 1
 50.0 %
@Treatment Temp. 70.0 °C,
Time 79200 sec
ASTM D395 Method B Type 1
 
Thermal PropertiesOriginal ValueComments
Glass Transition Temp, Tg -60.0 °CDMA. Low
 63.0 °CDMA. High
 
Descriptive Properties
ColorBlack
Fracture Toughness17.4 MJ/m^3ASTM D638 Type V
Fracture Toughness (MJ/m3)17.4

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PADAPT91 / 305368

Proto3000 – 3D Engineering Solutions

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