Materials for Additive Manufacturing

EP70 MATERIAL DATA SHEET

PHOTO REACTIVE RESIN FOR SL SYSTEM

EP70 is a tough ABS like, dimensionally stable resin for 355 nm Solid State Laser Systems. It is ideal for general purpose and dimensionally challenging builds. Superior humidity resistance and exceptional shrink characteristics are the major differentiators.

Material Features

PHYSICAL PROPERTIES:

  • Viscosity: 500cps
  • Appearance: White/Ivory
  • Critical Exposure (Ec): 10.4mj/cm2
  • Penetration Depth (Dp): 5.8mils
  • Liquid density: 1.13g/cm3

MECHANICAL PROPERTIES:

  • Tensile Strength: 53Mpa
  • Tensile Modulus: 2100Mpa
  • Elongation At Break: 5-9%
  • Flexural Strength: 64Mpa
  • Flexural Modulus: 2000Mpa
  • Impact Strength: 24J/m
  • Notched Izod: 0.45ft-lb/in
  • Hardness: 80 (Shore D)
  • Water Absorption: 0.25%
  • Heat Deflection @ 66 psi: 45℃
  • Heat Deflection @ 264 psi: 50℃

CHARACTERISTICS

  • Quality finishing
  • Fast building
  • Low viscosity
  • Water-resistant
  • Super green strength
  • Excellent re-wetting
  • Supports break clean
  • White
  • Excellent viscosity stability
  • Superior dimensional stability over time
  • Terrific thermal stability over time
  • Passed ISO 10993 Bio-Compatibility / Toxicity

APPLICATIONS:

  • Prototype Tooling
  • RTV Patterns
  • Master Pattern
  • Concept Models
  • Small feature connectors

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