10 Best Air Dry Clay Sealant in The UK

Last updated on 12/08/2025
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1
9.7
Exceptional
29PCS Air Dry Clay Glaze with Sculpting Tools Kit, Clay Varnish Sealant for High Luster, Scratch Resistant, Waterproof, Pottery Tool kit for Sculpting, Modeling, Shaping (Gloss)
kintsukuroi
29PCS Air Dry Clay Glaze with Sculpting Tools Kit, Clay Varnish Sealant for High Luster, Scratch Resistant, Waterproof, Pottery Tool kit for Sculpting, Modeling, Shaping (Gloss)
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Why We Love It
  • High-gloss protective finish.
  • Waterproof and durable seal.
  • Complete sculpting toolset included.
Main Highlights
  • Air Dry Clay Glaze Gloss: Clay varnish can form a strong, transparent, high-gloss protective film on the surface of airdry clay, which is waterproof, prevents cracking and wear, permanently preserves the beautiful appearance
  • Waterproof Clay Sealer: Glaze for clay is easy to use and protects clay from moisture and cracking when it comes in contact with water, and does not yellow. Note: Although air dry clay sealant can come in contact with water, it is not food and dishwasher-safe
  • Clay Sculpting Kit: The pottery tool kit contains the basic tools for making pottery and sculpting. You can use the tools to carve, shape, and trim the clay in any way you can imagine. Sculpting kit is very suitable for people who are just starting to use clay sculpting
  • Lightweight and practical: Sculpting tools are made of solid material, are smooth and comfortable, are sturdy and not easy to damage, and storage bags are easy to carry and store. Pottery tools are easy to DIY creation, fun activities, and enjoy happy times
  • 29PCS Clay Tools Kit: 1pcs gloss clay varnish 100ml, 1pcs brush, 1pcs scraper, 4pcs texture tools, 1pcs texture brush, 5pcs clay tools, 5pcs silicone brushes, 4pcs seam steel balls, 5pcs ball pens, 1pcs linen bag, 1pcs sponge ball. A variety of basic tools to meet your needs
9.7
Exceptional
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Best Value
2
9.6
Superb
Save 23%
Air Dry Clay Glaze, Clay Varnish for Air Dry Clay/Polymer Clay, Varnish Prevents Clay Cracking, Scratches, and Wear, Polymer Clay Sealant Suitable for Clay Pottery, Ultra Gloss and Matte(100ml+100ml)
YumCraft
Air Dry Clay Glaze, Clay Varnish for Air Dry Clay/Polymer Clay, Varnish Prevents Clay Cracking, Scratches, and Wear, Polymer Clay Sealant Suitable for Clay Pottery, Ultra Gloss and Matte(100ml+100ml)
23% OffFree Shipping
Why We Love It
  • High-gloss and matte options.
  • Versatile for various materials.
  • Non-toxic and safe for use.
Main Highlights
  • Air Dry Clay Glaze Set: Our air dry clay glaze set includes 100ml of high-gloss air dry clay glaze and 100ml of matte air dry clay glaze. Air dry clay varnish is waterproof, fireproof, crackproof, scratchproof, and anti-scratch. After drying, it forms a transparent, high-gloss or matte protective film, which effectively resists yellowing and maintains the aesthetics of the work. High gloss varnish enhances gloss, matte glaze presents a true matte texture, and the dual choices meet different creative needs.
  • Wide applicability: Our air dry clay set is suitable for surfaces of a variety of materials, including air dry clay, polymer clay, gypsum, ceramics, metals, wood, jewelry and artificial flowers etc. It can also seal paintings and mixed media artworks to provide a long-lasting protective film for different media.
  • Steps for Use: Use in three steps: After drying the clay work, apply the primer you want to apply; wait for the primer to dry; apply the varnish evenly after the color layer is dry, and wait for 24 hours to completely cure. The steps are simple and suitable for everyone.
  • Safety, Non-Toxic & Restricted: The air dry clay kit is non-toxic and safe, meets safety standards, has a wide heat resistance range (-4°F to 212°F), but it is clearly prohibited for use in food contact or dishwasher cleaning to ensure the creative process is safe and worry-free.
  • Professional-Grade Effect and After-Sales Guarantee: Specially designed for artists, providing long-lasting gloss and professional-grade finishes, suitable for the needs of amateurs and professionals. If you have any questions after purchasing our air dry clay kit, you can contact us at any time.
9.6
Superb
Save 23%
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3
9.4
Superb
Air Dry Clay Glaze Kit, 2 x 100ml Gloss Matte Clay Sealant Varnish for Air Drying Craft Pottery Watertight, High Luster, Scratch Resistant
kintsukuroi
Air Dry Clay Glaze Kit, 2 x 100ml Gloss Matte Clay Sealant Varnish for Air Drying Craft Pottery Watertight, High Luster, Scratch Resistant
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Why We Love It
  • Protects your pottery beautifully.
  • Dries quickly to gloss.
  • Resists moisture and scratches.
Main Highlights
  • Designed Specifically For Air Dry Clay - The air dry clay varnish forms a protective layer on the clay surface, clay glaze can protect your pottery well and resist scratches, watertight, and achieve a beautiful glossy effect for better preservation
  • Air Dry Clay Glaze Kit - You will receive 100ml gloss clay varnish, 100ml matte clay glaze, and 1 brush for easier application. The air dry clay varnish kit can meet your various gloss needs and is easier to operate
  • Glossy & Scratch Resistant - The clay varnish for air drying clay dries quickly to a clear, shiny surface. Air dry clay varnish protecting your clay from scratches and keeping your creations in good condition longer
  • Colorless Watertight Clay Glaze - The clay varnish protects air clay from moisture, you don't need a kiln to make beautiful watertight pottery at home! gloss varnish for air dry clay is clear and will not change the color of airdry clay
  • Easy To Apply - Apply air dry clay glaze to completely dry air dry clay and wait for it to dry completely for a beautiful glossy effect. Note: They are not suitable for food or dishwasher use
9.4
Superb
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4
9.2
Superb
Save 22%
100ml Air Dry Clay Glaze Varnish & Sealant, Prevents Crazing Yellowing, Scratch Resistant Wear, Waterproof, Hight Gloss Finish
kintsukuroi
100ml Air Dry Clay Glaze Varnish & Sealant, Prevents Crazing Yellowing, Scratch Resistant Wear, Waterproof, Hight Gloss Finish
22% OffFree Shipping
Why We Love It
  • High gloss appearance, 100ML.
  • Scratch-resistant and waterproof.
  • Quick and easy application.
Main Highlights
  • Designed For Air Dry Clay - Our gloss air dry clay glaze protects your air-drying clay crafts, watertight, and scratch-resistant, adding a High gloss appearance, 100ML large capacity
  • Anti-Scratch & Glossy - It protects your pottery well, and resists scratches; you can also get a beautiful gloss finish! It's a great surprise, give it a try
  • Watertight Varnish - You don't need a kiln to make beautiful pottery that is watertight at home! Allow your pieces to withstand pottery with water without having to worry about it
  • Quick & Easy - Apply a few thick coats of clay varnish to the completely dry air dry clay and wait for dry completely, for a beautiful glossy effect. It is very convenient and you can easily make watertight works at home
  • Note: 100ML capacity. They are not suitable for food or dishwasher use
9.2
Superb
Save 22%
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5
9.1
Superb
Air Dry Clay Glaze - 200ml High Gloss Polymer Clay Varnish & Sealant - Waterproof, Scratch Resistant, Non-Toxic Glossy Finish for Air Dry Clay, Polymer Clay, Ceramics, Sculptures & DIY Crafts
DecorRom
Air Dry Clay Glaze - 200ml High Gloss Polymer Clay Varnish & Sealant - Waterproof, Scratch Resistant, Non-Toxic Glossy Finish for Air Dry Clay, Polymer Clay, Ceramics, Sculptures & DIY Crafts
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Why We Love It
  • Professional-grade gloss finish.
  • Durable and long-lasting protection.
  • Safe for artists of all ages.
Main Highlights
  • PROFESSIONAL-GRADE PROTECTION - Elevate your artwork with our crystal-clear air dry clay glaze that delivers a professional-grade gloss finish. Designed to protect air-drying clay and other mediums, this varnish acts as a robust shield against scratches and crazing. With reliable waterproof protection, your creations will maintain their stunning appearance and gloss for years to come.
  • DURABLE HIGH-GLOSS FINISH - Experience the brilliance of a long-lasting glossy finish with our air dry clay varnish. Perfect for both artworks and ceramics, it dries to form a strong protective film that remains crystal-clear and resists yellowing. Whether you're a professional artist or a passionate hobbyist, our varnish ensures your pieces shine beautifully and endure the test of time.
  • VERSATILE APPLICATION - Our waterproof clay gloss varnish for air dry pottery is designed for versatility, making it suitable for a wide range of surfaces, including air dry clay glaze, plaster, polymer clay, ceramics, porcelain, and wood. Whether sealing paintings, drawings, or mixed media artworks, this varnish delivers exceptional results every time. Ideal for artists at any skill level.
  • SAFE & NON-TOXIC FORMULA - Create with peace of mind using our non-toxic glaze for air dry clay, which is safe for artists of all ages. With heat resistance from -4°F to 212°F, it meets strict safety standards, allowing you to focus on your artistic expression without worry. Please note that this product is not intended for food use or dishwasher cleaning.
  • SATISFACTION GUARANTEE - We offer a larger quantity of air dry clay paint(200ml) at a more affordable rate. It provides a flawless, protective seal and lasting gloss for various mediums. Unlock your creative potential with its effortless application and exceptional results. If our acrylic varnish does not meet your expectations, we encourage you to reach out to us.
9.1
Superb
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6
8.9
Excellent
Save 23%
Air Dry Clay Glaze Sealant, Clear Clay Varnish for Craft Pottery, Scratch Resistant, Watertight & Gloss Finish
kintsukuroi
Air Dry Clay Glaze Sealant, Clear Clay Varnish for Craft Pottery, Scratch Resistant, Watertight & Gloss Finish
23% OffFree Shipping
Why We Love It
  • Enhances air-dry clay durability.
  • Provides waterproof and glossy finish.
  • User-friendly application.
Main Highlights
  • Designed For Air Dry Clay: Still worried about your airdry clay creations being poorly water-proof and easily scratched? Try our specially designed clay varnish for air-drying clay. The air-dry clay polymer clay glaze will help your crafts to be water proof and scratch-resistant, adding a gloss look that you will love
  • Watertight Varnish: You don't need a kiln to make beautiful pottery that is watertight at home! Air dry clay varnish allows your pieces to withstand the pottery with water without having to worry about it
  • Anti-Scratch & Glossy: The clay glaze protects your pottery well, and resists scratches, you can also get a beautiful gloss finish! It's a great surprise, give it a try
  • How To Use: Apply a few thick coats of clay sealer to the completely dry air dry clay and wait for it to dry completely between 24 hours, for a beautiful glossy effect
  • Note: 50ML capacity. Although the varnish can come in with water, They are not suitable for food or dishwasher use
8.9
Excellent
Save 23%
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7
8.8
Excellent
Save 9%
Mont Marte Clay Varnish – 120ml – Gloss Varnish for Polymer Clay and Air-Dry Clay – Colourless Clay Glaze with Glossy Effect for Pottery
MONT MARTE
Mont Marte Clay Varnish – 120ml – Gloss Varnish for Polymer Clay and Air-Dry Clay – Colourless Clay Glaze with Glossy Effect for Pottery
9% OffFree Shipping
Why We Love It
  • Outstanding gloss provides durable finish.
  • Impressive iridescent effect adds luxury.
  • Easy to use for all.
Main Highlights
  • 𝗢𝗨𝗧𝗦𝗧𝗔𝗡𝗗𝗜𝗡𝗚 𝗚𝗟𝗢𝗦𝗦 – Mont Marte's clay varnish dries to a clear, glossy finish and is ideal for polymer clay and air-hardening clay. It dries to a permanently hard finish and helps your sculptures retain their shape.
  • 𝗘𝗫𝗖𝗘𝗟𝗟𝗘𝗡𝗧 𝗙𝗘𝗔𝗧𝗨𝗥𝗘𝗦 – The varnish is easy to apply and offers excellent quality when finalising your artwork. It gives the finished art project an extra high quality look.
  • 𝗜𝗠𝗣𝗥𝗘𝗦𝗦𝗜𝗩𝗘 𝗘𝗙𝗙𝗘𝗖𝗧𝗦 – Add a stunning iridescent shine to your artwork with a layer of the glossy varnish Mont Marte. This varnish provides the perfect shimmering, luxurious touch to give your sculptures the wow factor.
  • 𝗙𝗔𝗡𝗧𝗔𝗦𝗧𝗜𝗖 𝗙𝗜𝗡𝗜𝗦𝗛 – Mont Marte Clay Varnish brings out the best in your clay work. It seals, keeps artworks from turning yellow and provides protection from dust and other debris. Finalising artwork is especially enjoyable with this varnish.
  • 𝗘𝗔𝗦𝗬 𝗧𝗢 𝗨𝗦𝗘 – Whether you are a beginner or a seasoned professional, Mont Marte Gloss Varnish is suitable for hobbyists and professionals alike. The varnish is very easy to apply and to dispense. Excellent results are achieved in no time at all.
8.8
Excellent
Save 9%
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8
8.7
Excellent
Air Dry Clay Glaze - Upgraded Polymer Clay Glaze, 2 x 100ml Ultra Gloss and Matte Finish Varnish Pottery Glaze, Clay Sealant to Prevent Scratches, Wear, Cracking - Professional Clay Tools, Quick Dry
Limino
Air Dry Clay Glaze - Upgraded Polymer Clay Glaze, 2 x 100ml Ultra Gloss and Matte Finish Varnish Pottery Glaze, Clay Sealant to Prevent Scratches, Wear, Cracking - Professional Clay Tools, Quick Dry
Free Shipping
Why We Love It
  • Durable and waterproof protection.
  • Long-lasting professional-grade finish.
  • Safe for all artists.
Main Highlights
  • ULTRA GLOSS AND MATTE VARNISH - Enhance your air dry clay projects with our specially formulated varnish that offers durable, waterproof, and scratch-resistant protection. It forms a hard, protective film to prevent cracking and maintains a beautiful appearance for years. Perfect for artists and hobbyists, it ensures long-lasting beauty and a professional-grade finish.
  • DURABLE, LONG-LASTING BEAUTY - Our high-gloss air dry clay glaze delivers a brilliant, enduring shine for artworks and ceramics. Our matte clay glaze showcases the most authentic matte texture. It creates a crystal-clear protective film that resists yellowing, preventing scratches and abrasions. This varnish guarantees your creations will shine beautifully while providing durable protection, enhancing the visual appeal of your projects, and two bottles of varnish will meet all your artistic creation needs.
  • VERSATILE APPLICATIUON - This Polymer Clay Glaze is suitable for various surfaces, including air dry clay, plaster, ceramics, and wood. It’s ideal for sealing paintings and mixed media artworks, delivering exceptional results for all skill levels. The versatility of our varnish empowers artists to explore their creativity across multiple mediums with confidence.
  • SAFE & NON-TOXIC - Our non-toxic glaze is safe for artists, meeting stringent safety standards. It provides a superior protective layer and glossy finish, allowing you to focus on your creative expression without worry. However, it’s important to note that this product is not intended for food contact or dishwasher use, ensuring a safe crafting experience.
  • SIMPLY STEPS TO USE - Achieve a professional finish with our easy 3-step process: 1) Apply a thick layer of white acrylic primer to a dry clay piece and let it dry. 2) Paint the primed piece and allow it to dry thoroughly. 3) Apply the varnish evenly and let it cure for 24 hours. This straightforward method guarantees a flawless, durable, and glossy finish for your artwork.
8.7
Excellent
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9
8.7
Excellent
Allony Air Dry Clay Varnish, Air Dry Clay Glaze, Clay Varnish for Air Drying Clay, Clear Varnish for Craft Pottery Waterproof & Gloss Finish-100ml (Gloss)
Allony
Allony Air Dry Clay Varnish, Air Dry Clay Glaze, Clay Varnish for Air Drying Clay, Clear Varnish for Craft Pottery Waterproof & Gloss Finish-100ml (Gloss)
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Why We Love It
  • Preserves original clay colors.
  • Improves water resistance.
  • Prevents work from yellowing.
Main Highlights
  • High transparency: With extremely high transparency, it can not only perfectly retain the original color and fine details of clay works, but also form a protective film on the surface of the work to ensure its long-term good display.
  • Air-drying clay glaze: It can improve the water resistance of clay works, effectively reduce the potential damage of moisture to clay, extend the life of the work and maintain its quality.
  • Clay Varnish: Gets the best out of your clay creations. It seals, prevents the artwork from yellowing, and keeps out dust and other debris.
  • Air-drying clay varnish: It is recommended to use multiple thin coating methods. Apply a thin layer each time and wait for it to dry before applying the next layer. This can prevent sagging and ensure a uniform coating.
  • Worry-free after-sales service: We promise to provide customers with satisfactory after-sales service. If you have any dissatisfaction with the glossy clay varnish you received, please feel free to contact us for returns or exchanges. We will ensure that your rights and interests are properly resolved, allowing you to purchase worry-free and enjoy high-quality products and services.
8.7
Excellent
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10
8.7
Excellent
Save 37%
Sculpd Clear Varnish for Air Dry Clay - Premium Clear Gloss Finish For Pottery & Acrylic Paint - Waterproof, Scratch Resistant, Colorless Ceramic Sealer - Hobbies Arts & Crafts DIY, 70 ml
Sculpd
Sculpd Clear Varnish for Air Dry Clay - Premium Clear Gloss Finish For Pottery & Acrylic Paint - Waterproof, Scratch Resistant, Colorless Ceramic Sealer - Hobbies Arts & Crafts DIY, 70 ml
37% OffFree Shipping
Why We Love It
  • Waterproof for functional pottery.
  • Scratch-resistant for durability.
  • Perfect with Sculpd products.
Main Highlights
  • DESIGNED FOR AIR DRY CLAY: Sculpd's air dry clay varnish is designed to make your art look great. Our acrylic varnish is super easy to use, waterproof, scratch resistant and colorless. Enjoy a beautiful gloss finish for your pottery.
  • WATERPROOF VARNISH: Easily create functional pottery at home! Perfect for vases, plant pots and more. No oven or pottery kiln needed. Please note - although your air dry clay creations will be able to withstand contact with water this varnish paint is not food safe or dishwasher safe.
  • SCRATCH RESISTANT VARNISH: Enhance the longevity and beauty of your air dry clay pottery creations by making them scratch-resistant. Crafted with expert attention to detail, our new formula provides an acrylic layer that protects your pottery from scratches, scuffs, and abrasions.
  • EASY TO USE: 1) Create your air dry clay pottery artwork. 2) Give it at least 3 days to dry. 3) Apply base coat and colors as desired and let dry. 4) Apply two generous coats of gloss varnish on the inside, outside and base of your creation. 5) Dry overnight and enjoy a perfect waterproof finish.
  • PAIR WITH SCULPD CLAY & PAINTS: Sculpd varnish works best with Sculpd air dry clay and our range of acrylic paint sets and pens. Apply a couple of generous coats, allow it to dry for a couple of hours, then apply the varnish for a beautiful glossy finish.
8.7
Excellent
Save 37%
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