Smooth-On Epsilon Pro Trial Kit (1.44 lbs. / 0.65 kg.)

Availability: In stock (3)

Epsilon® PRO is a thixotropic epoxy coating that self-thickens for brushing onto a variety of surfaces.  Compared to original Epsilon®, Epsilon® PRO offers a longer working time and cured epoxy is semi-rigid, offering better impact resistance.  Mix ratio for Epsilon® PRO is 2A:1B by volume (100A:44B by weight).  A gram scale is not needed to use this product.

Applied in thin layers, mixed material holds a vertical surface without sagging or slumping. Material wets out uniformly over different surfaces.  Pot life is 22 minutes, with a re-coat time of 3 hours.  All layers should be allowed to cure for 16 hours at 73° F / 23° C and can be accelerated with mild heat.  Epsilon® PRO is clear and can be easily colored using SO-Strong®, Ignite® or UVO® colorants.  Cured coating has a gloss finish and can be sanded, primed and painted.

Applications: Epsilon® PRO is suitable for use as a protective, impact resistant coating for EPS or polyurethane foam. It can also be applied to plaster, concrete, wood and fabrics. This product is not sensitive to moisture / humidity and contains no VOC’s. 


  • Holds a vertical surface
  • Impact resistant
  • Can be primed and painted
  • Cures at room temperature
  • Mix Ratio By Volume 2A:1B
  • Mix Ratio By Weight 100A:44B
  • Mixed Viscosity - CPS. (ASTM D2393) 4000
  • Specific Gravity - Mixed; g./c.c. (ASTM D1475) 1.11
  • Spec. Volume - Mixed; cu. in./lb. (ASTM D792) 25.0
  • Pot Life - Minutes (ASTM D2471)* 22
  • Thin Film Working Time - Minutes* 35
  • Thin Film Tacky Recoat Time - Hours* 3
  • Thin Film Tack Free Time - Hours 4
  • Cure Time - Hours* 16
  • Color - Mixed Clear Amber
  • Shore D Hardness (ASTM D2240)** 65D
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