EnvisionTEC’s E-Clear is a liquid photopolymer that produces strong, tough, water-resistant parts especially for applications in the custom hearing device market and is distinguished for rigidity and durableness. The resulting models are tough, water- and perspiration-resistant and available in two different transparent versions. E-Clear is the clearest 3D printing material currently on the market. E-Clear Black is a fashionable shade that is ideal for high visibility applications such as custom in-ear monitors.


Key Features
» Appearance models with minimal finishing

» Durable concept models with high cross linkage

» High humidity environment applications

» RTV patterns

» Water resistant applications

» Hearing aid devices manufacturing

Physical Properties

Tensile Strength

40-48 MPa

Elongation at Break


Tensile Modulus

2150-3250 MPa

Flexural Strength

60-80 MPa

Flexural Modulus

1200-1500 MPa


30 J/m


75° at 1.82 MPa

Hardness, D Scale



320 cP at 30°C

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