Urethane Plastic Accessories

Pigments, Additives and Fillers

Take Your Urethane Resin Further

Additives compatible with Smooth-On Urethane Resins designed for altering and enhancing their characteristics and performance. Choose from a variety of colourants and fillers, cure accelerator, UV resistance enhancer, adhesive and more.

Urethane Plastic Accessories - Pigments, Additives and Fillers

Products | How-To Videos

  1. Doxy 5™

    2 Ounce Dropper Bottle

    • Starting at £10.76

      *Vat Included
  2. Glow Worm™ Glow Powder

    Glow-in-the-Dark Powder

    • As low as £29.68
      *Vat Included
  3. URE-FIL™ 11

    Fiber Filler for Thickening

    • Starting at £28.45

      *Vat Included
  4. URE-FIL™ 15

    Micro-Balloons to Reduce Casting Weight

    • Starting at £23.32

      *Vat Included
  5. URE-FIL™ 3

    Ceramic Filler to Reduce Cost of Casting

    • Starting at £33.54

      *Vat Included
  6. URE-FIL™ 5

    Filler for Creating a Wood-Grain Effect

    • Starting at £21.50

      *Vat Included
  7. URE-FIL™ 19

    Filler for improving dimensional stability

    • Starting at £78.32

      *Vat Included
  8. URE-FIL™ 17

    Filler for improving dimensional stability

    • Starting at £78.32

      *Vat Included
  9. URE-FIL™ 7

    Filler for improving dimensional stability

    • Starting at £53.50

      *Vat Included
  10. IRON 300 MESH POWDER

    Iron powder for metal cold casting effects

  11. Aluminium Powder 250 MESH

    Aluminum powder for metal cold casting effects

    • Starting at £16.74

      *Vat Included
  12. Copper Powder 325 MESH

    Copper powder for metal cold casting effects

    • Starting at £33.25

      *Vat Included
  13. Brass Powder 240 MESH

    Brass powder for metal cold casting effects

    • Starting at £30.83

      *Vat Included
  14. Bronze Powder 300 MESH

    Bronze powder for metal cold casting effects

    • Starting at £50.65

      *Vat Included
  15. SO-Strong™ Colorants

    Pigments and Tints for Urethanes

    • As low as £21.43
      *Vat Included
  16. UVO™ Colorants

    UV-Resistant Pigments for Urethane and Epoxy

    • As low as £18.76
      *Vat Included
  17. Ignite™ Fluorescent Pigments

    Fluorescent Colourants for Rubber, Resin and Foam

    • As low as £21.43
      *Vat Included
  18. Cast Magic™

    Casting Powders For Amazing Effects!

    • As low as £6.40
      *Vat Included
  19. Quarry Tone™ Granite FX Fillers
    • As low as £24.04
      *Vat Included
  20. Nickel Silver Metal Powder

    Nickel silver powder for metal cold casting effects

    • Starting at £80.17

      *Vat Included
  21. Sun Devil™
    • Starting at £21.48

      *Vat Included
Using Glow Worm Powder to Make a Glow In The Dark Resin Casting
Resin Casting Tutorial: Metal Cold Casting Real Bronze Powder and Resin
How to Make a Faux Marble Resin Casting
Moldmaking Tutorial: How To Make a Resin Metal Cold Casting
How To Make Artificial Finger Coral Custom Aquarium Decorations
Resin Casting Tutorial: How to Achieve a Faux Wood Grain Finish | Casting Quickies
Resin Casting Tutorial: Creating a Marble Effect Using Urethane Plastic
Cold Casting Decorative Panels Using Urethane Casting Resin
How To Make a Custom Cold Cast Aquarium Stand Using Urethane Resin
Casting a Resin Cosplay Magneto Helmet
Urethane Colorant Comparison - UVO® Pigment and SO-Strong Tint