So-Strong Color Tints

Tints For Urethane Rubber, Plastic, and Foam

SO-Strong® liquid urethane colorants can be added to any Smooth-On liquid urethane rubber, urethane plastic or urethane foam (do not use with Smooth-On silicones). They can be used to create a variety of color effects for a wide range of material applications. SO-Strong® colorants are highly concentrated, offer excellent dispersion and consistent color. A very small amount will color a proportionally large amount of liquid urethane material.

Price and Purchasing

Call to Order

Subtotal:
ProductSizeNet WeightPrice
Quantity

SO-Strong Color Sampler

Color Tint for Urethane Plastics, Rubber and Foam.
WARNING: Prop 65 Notice
WARNING: Known to the state of CA to cause cancer, birth defects or reproductive harm - www.P65Warnings.ca.gov
 9 Pack 0.2 lb. 3905

SO-Strong 2oz Set

Combo Pack contains red, blue, green, brown, black, yellow, orange and purple tints. 		8 Pack 1 lb. 13277

SO-Strong Blue

Color Tint for Urethane Plastics, Rubber and Foam. 		2 ounce 0.125 lb. 1601
Pint Unit 1.125 lbs. 8231

SO-Strong Brown

Color Tint for Urethane Plastics, Rubber and Foam. 		2 ounce 0.125 lb. 2300
Pint Unit 1.125 lbs. 16485

SO-Strong Green

Color Tint for Urethane Plastics, Rubber and Foam. 		2 ounce 0.125 lb. 1795
Pint Unit 1.125 lbs. 12596

SO-Strong Orange

Color Tint for Urethane Plastics, Rubber and Foam. 		2 ounce 0.125 lb. 1773
Pint Unit 1.125 lbs. 12416

SO-Strong Purple

Color Tint for Urethane Plastics, Rubber and Foam. 		2 ounce 0.125 lb. 1868
Pint Unit 1.125 lbs. 13069

SO-Strong Red

Color Tint for Urethane Plastics, Rubber and Foam. 		2 ounce 0.125 lb. 1601
Pint Unit 1.125 lbs. 11064

SO-Strong Yellow

Color Tint for Urethane Plastics, Rubber and Foam. 		2 ounce 0.125 lb. 1601
Pint Unit 1.125 lbs. 7465

SO-Strong Black

Color Tint for Urethane Plastics, Rubber and Foam. 		2 ounce 0.125 lb. 1601
Pint Unit 1.125 lbs. 9588

SO-Strong White

Color Tint for Urethane Plastics, Rubber and Foam.
WARNING: Prop 65 Notice
WARNING: Known to the state of CA to cause cancer, birth defects or reproductive harm - www.P65Warnings.ca.gov
 2 ounce 0.29 lb. 1601
Pint Unit 2 lbs. 7564

SO-Strong Light Fleshtone

Color Tint for Urethane Plastics, Rubber and Foam.
WARNING: Prop 65 Notice
WARNING: Known to the state of CA to cause cancer, birth defects or reproductive harm - www.P65Warnings.ca.gov
 Pint Unit 1.125 lbs. 5643
2 ounce 0.29 lb. 1601

SO-Strong Medium Fleshtone

Color Tint for Urethane Plastics, Rubber and Foam.
WARNING: Prop 65 Notice
WARNING: Known to the state of CA to cause cancer, birth defects or reproductive harm - www.P65Warnings.ca.gov
 2 ounce 0.29 lb. 1675
Pint Unit 1.125 lbs. 5924

SO-Strong Dark Fleshtone

Color Tint for Urethane Plastics, Rubber and Foam.
WARNING: Prop 65 Notice
WARNING: Known to the state of CA to cause cancer, birth defects or reproductive harm - www.P65Warnings.ca.gov
 2 ounce 0.29 lb. 2170
Pint Unit 1.125 lbs. 7725

Document Downloads

Technical Bulletin

Safety Data Sheets

Frequently Asked Questions

Videos

So-Strong Color Tints Video:

Resin Casting Tutorial: Creating a Marble Effect Using Urethane Plastic

 So-Strong Color Tints Video:

Urethane Colorant Comparison - UVO® Pigment and SO-Strong Tint

How-To Galleries

So-Strong Color Tints Gallery:

Make Your Own 3-D Aquarium Background Using Foam-iT! 5 Rigid Foam

 So-Strong Color Tints Gallery:

Create Metallic & Glitter Effects with Cast Magic® Casting System

 So-Strong Color Tints Gallery:

Using Brush-On 40 To Paint Urethane Rubber

 So-Strong Color Tints Gallery:

How to Make a Glove Mold with Dragon Skin & Cast a Faux Wood Repro

 So-Strong Color Tints Gallery:

Create Your Own Jewelry with The Art of Resin Jewelry

 So-Strong Color Tints Gallery:

Achieving A Woodgrain Finish using Smooth-Cast® Resin

 So-Strong Color Tints Gallery:

Metal Cold Casting With Smooth-Cast® 325 Resin

Images

So-Strong Color Tints Image:
© 2025

Coral water tank pieces tinted with SO-Strong® tints and Ignite® pigments.

So-Strong Color Tints Image:
© 2025

Bill Koppling from Beyond Design used Crystal Clear® and SO-Strong® tints to create this New York City Christmas Lights piece of art.

So-Strong Color Tints Image:
© 2025

SmoothCast® 325 urethane castings with various SO-Strong® tints,

So-Strong Color Tints Image:
© 2025

SMASH!® plastic tinted with SO-Strong® tints.

So-Strong Color Tints Image:
© 2025

Sea Fan cast and tinted with SO-Strong® Red.

So-Strong Color Tints Image:
© 2025

SmoothCast® 325 with various Cast Magic® powder, SO-Strong® tints, and Ignite® pigments used to make gun grips.

So-Strong Color Tints Image:
© 2025

Prototype parts made with TASK® 9 and tinted with SO-Strong®.

 

Related Products

  • Brush-On Series

    "Brushable" Urethane Mold Rubber Compounds.

  • Clear Flex Series

    Flexible rubbers that are water clear and UV Resistant.

  • Crystal Clear Series

    Water white clear resins made specifically for applications that require absolute clarity.

  • EZ-Mix 40

    One to one liquid brushable urethane rubber.

  • Econ 60

    1A:1B mix ratio lower cost Shore 60A urethane rubber.

  • Econ 80

    1A:1B mix ratio lower cost Shore 80A urethane rubber.

  • Feather Lite

    Heavily filled, low-density urethane casting resin. Cured plastic is lightweight and has a much lower density than other casting resins.

  • FlexFoam-iT!

    Premium quality water blown flexible foams that can be used for a variety of industrial, special effects and art & crafts and projects.

  • FOAM-iT!

    Two-component water blown rigid liquid foams that are versatile and easy to use.

  • KX Flex

    Fast setting two-component urethanes that cure quickly to semi-rigid, highly impact resistant elastomer.

  • PMC-724

    By far the most versatile flexible mold compound available. PMC®-724 PUTS YOU IN CONTROL!

  • PMC-770

    Well-suited for industrial applications including gaskets and pulleys, shock pads and production use with cements, hard plasters, fiberglass resins and epoxies

  • PMC-780

    Designed to meet the most stringent requirements of industrial applications. You can't get a tougher rubber anywhere!

  • PMC-790

    Very hard rubber that offers superior tear and tensile strength as well as impact and abrasion resistance for industrial and mechanical applications.

  • Plasti-Paste II

    Fiber-filled resin that is designed for vertical surface application. Suitable as a mother mold / support shell or as a laminating material.

  • SMASH! Plastic

    Optically clear and UV resistant breakaway casting resin

  • Shell Shock Series

    Plastics that self -thicken when mixed and can be brushed onto a variety of surfaces or into rubber molds

  • Simpact Series

    Tough, impact-resistant urethane available in 60A, 80A, & 85A hardness

  • Smooth-Cast 300 Series

    Ultra low viscosity, 1:1 mix ratio white liquid casting resins

  • Smooth-Cast 320 Series

    Ultra low viscosity, 1:1 mix ratio off-white casting resins

  • Smooth-Cast 325 Series

    Colormatch® resins developed specifically for the addition of colorants

  • Smooth-Cast 385

    Room temperature curing, extremely rigid, mineral filled tooling resin

  • Smooth-Cast Semi-Rigid Series

    Low-cost, 1A:1B by volume semi-rigid urethane casting resins that offer excellent impact resistance

  • TASK 2 & 3

    Low viscosity, high performance white casting resins

  • TASK 4

    Polyurethane casting resin that is very strong when cast in ultra-thin sections

  • TASK 5 & 6

    Low cost, high performance tan casting resins

  • TASK 7

    Flame rated, low viscosity, fast set casting resin that meets UL 94 V-O requirements for flame resistance

  • TASK 8

    Heat resistant polyurethane resin system which withstands up to 263°F /129°C

  • TASK 9

    High performance clear amber urethane casting resin that features very high compressive and tensile strength

  • TASK 11

    Semi-rigid resin which is suitable for dry food applications

  • TASK 12

    Semi-rigid urethane resin that offers extreme handling strength and impact resistance

  • TASK 15

    Urethane resin with high impact resistance developed for machine rotocasting

  • TASK 16

    Fast-setting Shore 80A/30D rubber that offers very high tear strength, impact resistance and wear resistance

  • TASK 21

    Performance urethane casting resin with high ABS-type compressive and flexural strength

  • UreCoat

    Flexible Urethane Coating

  • VytaFlex

    "V-Polymer" urethane rubber perfect for casting concrete