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Stonekote®

Mold and Surface Coatings

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Originally developed by E. L. Stone Company, Inc. for the rotational molding industry, Stonekote® coatings have expanded far beyond their roots. Today, Stonekote® is trusted in industries ranging from chemical handling and fasteners to heat plates, rubber molding, foam applications, and more. When you need reliable performance, proven durability, and easier production workflows, Stonekote® delivers.

Stonekote®: Advanced Mold and Surface Coatings That Work as Hard as You Do

At E.L. Stone Company, we don’t just apply coatings—we engineer solutions. Stonekote® was built for the challenges of the rotational molding industry and has since become a trusted name across manufacturing, chemical handling, plastic welding, fasteners, foam, and rubber molding.

Whatever you need—better release, higher durability, chemical resistance, heat protection—Stonekote® is ready to perform.

Tough environments demand tougher coatings. We’re here to deliver them.

Proven Durability and Performance
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Customized Solutions Delivered
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Superior Release, Chemical Resistance, and Heat Tolerance
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Rotational Moldings

Stonekote® coatings for rotational molding provide molders with outstanding release, finish quality, and ease of mold maintenance. Whether you need high gloss, semi-gloss, or matte finishes, we offer customizable solutions to fit your production needs.

  • Interior Mold Coatings

  • STONEKOTE® SK 7000-R BRIGHT GREEN

    Excellent release that produces a glossy finished product.

    STONEKOTE® 6000-BRIGHT GREEN

    Excellent release, produces glossy finished product.

    STONEKOTE® 50 BLACK

    Excellent release, produces glossy finished product, high end-use temperature, great durability for parting-line clean-up.

    STONEKOTE® SK 3000 BROWN

    Medium release that produces a matte to semigloss product.

    STONEKOTE® SK 1000 GREEN

    Slow release that produces a matte finished product.

  • Exterior Mold Coatings

  • STONEKOTE® SK 50 GREEN

    Exterior maintenance system. Good chemical and corrosion resistance, excellent release properties for ease of cleaning exterior of molds.

    STONEKOTE® 85 GREEN

    Exterior maintenance system. Mild chemical and corrosion resistance. Generally used as a non-stick for exterior cleaning of molds.

    STONEKOTE® SK 40 GRAY

    Heat deflection system. Generally used in problem areas. Fair to good release properties. Can be used in conjunction with other exterior maintenance systems.

    STONEKOTE® SK 95 BLACK

    Heat induction system. Generally used in hard to heat areas. Fair to good release. Can be used in conjunction with other exterior maintenance systems.

STONEKOTE® SK 7000-R BRIGHT GREEN

Excellent release that produces a glossy finished product.

STONEKOTE® 6000-BRIGHT GREEN

Excellent release, produces glossy finished product.

STONEKOTE® 50 BLACK

Excellent release, produces glossy finished product, high end-use temperature, great durability for parting-line clean-up.

STONEKOTE® SK 3000 BROWN

Medium release that produces a matte to semigloss product.

STONEKOTE® SK 1000 GREEN

Slow release that produces a matte finished product.

STONEKOTE® SK 50 GREEN

Exterior maintenance system. Good chemical and corrosion resistance, excellent release properties for ease of cleaning exterior of molds.

STONEKOTE® 85 GREEN

Exterior maintenance system. Mild chemical and corrosion resistance. Generally used as a non-stick for exterior cleaning of molds.

STONEKOTE® SK 40 GRAY

Heat deflection system. Generally used in problem areas. Fair to good release properties. Can be used in conjunction with other exterior maintenance systems.

STONEKOTE® SK 95 BLACK

Heat induction system. Generally used in hard to heat areas. Fair to good release. Can be used in conjunction with other exterior maintenance systems.

  • Heat Plates

    We specialize in coating heat plates to ensure superior release and abrasion resistance, extending the life of your equipment.

    SK 50 GREEN/BLACK: This is the oldest and most used coating that we offer for heat plates. This coating offers excellent release with good abrasion resistance.

    SK 72 BLACK: This coating offers good release with excellent abrasion resistance

    SK 7250 BLACK: This coating offers excellent release as well as an extended wear life with good to excellent abrasion resistance.

    *all three versions are offered in thicker versions called “plus” ask if these versions are a good fit for your application.

  • Chemical Handling & Processing

    Stonekote® solutions are built to resist chemical exposure during storage, transportation, and use in tough environments.

    SK 50 GREEN
    SK 7000-R BRIGHT GREEN
    SK SUPERSHINE GREEN OR BLACK
    SK 60 CLEAR OR BLACK

    These are the most common coatings we suggest for chemical applications, however let us know what chemicals, temperature and environment you are in and we will help get the right coating for you.

  • Fasteners

    Our coatings for fasteners ensure superior protection and performance even under demanding conditions.

    We have several coating that work well for fasteners

    SK 5100 BLACK
    SK 1000 BLACK METALLIC
    SK 1000 GRAY
    SK 5000 BLACK

    These are the most common coating that we suggest. Others are available including color options for the right job!

  • Foam & Rubber

    As pioneers in foam release coatings, E. L. Stone Company continues to lead innovation in this specialized field.

    SK 7000-R BRIGHT GREEN
    SK 50 GREEN/BLACK

    SK 7000-R BRIGHT GREEN
    SK SUPERSHINE GREEN/BLACK
    SK 50 GREEN PLUS S.S.

    These are the most common coatings we suggest for chemical applications, however let us know what chemicals, temperature and environment you are in and we will help get the right coating for you.

  • Heat Plates

    We specialize in coating heat plates to ensure superior release and abrasion resistance, extending the life of your equipment.

    SK 50 GREEN/BLACK: This is the oldest and most used coating that we offer for heat plates. This coating offers excellent release with good abrasion resistance.

    SK 72 BLACK: This coating offers good release with excellent abrasion resistance

    SK 7250 BLACK: This coating offers excellent release as well as an extended wear life with good to excellent abrasion resistance.

    *all three versions are offered in thicker versions called “plus” ask if these versions are a good fit for your application.

  • Chemical Handling & Processing

    Stonekote® solutions are built to resist chemical exposure during storage, transportation, and use in tough environments.

    SK 50 GREEN
    SK 7000-R BRIGHT GREEN
    SK SUPERSHINE GREEN OR BLACK
    SK 60 CLEAR OR BLACK

    These are the most common coatings we suggest for chemical applications, however let us know what chemicals, temperature and environment you are in and we will help get the right coating for you.

  • fasteners

    Our coatings for fasteners ensure superior protection and performance even under demanding conditions.

    We have several coating that work well for fasteners

    SK 5100 BLACK
    SK 1000 BLACK METALLIC
    SK 1000 GRAY
    SK 5000 BLACK

    These are the most common coating that we suggest. Others are available including color options for the right job!

  • Foam & Rubber

    As pioneers in foam release coatings, E. L. Stone Company continues to lead innovation in this specialized field.

    SK 7000-R BRIGHT GREEN
    SK 50 GREEN/BLACK

    SK 7000-R BRIGHT GREEN
    SK SUPERSHINE GREEN/BLACK
    SK 50 GREEN PLUS S.S.

    These are the most common coatings we suggest for chemical applications, however let us know what chemicals, temperature and environment you are in and we will help get the right coating for you.

Contact us today

and experience why more industries are trusting Stonekote® to coat, protect, and perform.

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office location

2998 Eastern Rd,
Norton, OH 44203

(330) 825-4565

M – F 8 AM – 5 PM