# Best Porcelain Clay Source: https://potterynest.com/best/best-porcelain-clay Updated: 2026-09-14 Publisher: Pottery Nest. Our score is an editorial rating out of 10 (fit 35%, features 25%, build 20%, value 20%), not a customer rating. Method: https://potterynest.com/how-we-research#our-score Porcelain is the most refined clay body in ceramics, prized for its bright white color, smooth surface, and the glassy translucency it develops when fired thin. For home potters, porcelain makes glazes glow in ways stoneware cannot, but it demands more attention, since it slumps when overworked and cracks if dried unevenly. The good news is that modern porcelain bodies vary widely in difficulty, and several so-called grolleg blends and porcelain-like white stonewares offer most of the beauty with far less fight. When comparing, look at firing range, whiteness after firing, plasticity ratings, and shrinkage, which often reaches twelve to fifteen percent. This guide ranks porcelain bodies from beginner-friendly to expert-level so you can pick your battle wisely. ## Picks ### 1. Frost Porcelain WC437 - Cone 6 - Laguna Clay - 25lbs Our score: 8.9/10 (Fit for the job 10/10 · Features and specs 8/10 · Build and materials 9/10 · Value 8/10) Laguna Clay's Frost Porcelain WC437, Cone 6, in a 25lbs box for translucent, pure white porcelain work. Pros: - Frost is known for very white, translucent results when thrown thin - Laguna Clay is a major US clay maker with consistent batches - 25lbs box is enough for a real porcelain series, not just a test Cons: - Frost is demanding to throw and can crack if dried unevenly - Premium porcelain costs noticeably more than stoneware Details: https://potterynest.com/product/B0BLXFNGF2 ### 2. Frost Porcelain WC437 - Cone 6 - Laguna Clay - 10 lbs Our score: 8.4/10 (Fit for the job 9/10 · Features and specs 8/10 · Build and materials 9/10 · Value 7/10) Laguna Clay's Frost Porcelain WC437, Cone 6, in a 10 lbs pack for testing a translucent white porcelain. Pros: - 10 lbs pack is a sensible first try with a premium porcelain - Same Frost WC437 body as the larger box, so results scale up - Cone 6 firing fits most electric kilns used by hobby potters Cons: - Higher price per pound than buying Frost in bulk - Beginners may struggle with its softness and tendency to warp Details: https://potterynest.com/product/B0BLXB22QP ### 3. SIO-2 Cellulain High Fire Paper Porcelain Clay, 11 lb (Cone 6-8) Natural Modeling Pottery Clay for Wheel Throwing & Hand Building Our score: 8.4/10 (Fit for the job 9/10 · Features and specs 8/10 · Build and materials 8/10 · Value 8/10) SIO-2 Cellulain high fire paper porcelain clay, 11 lb, Cone 6-8, for thin, strong hand-built and thrown pieces. Pros: - Paper fibers add green strength, so thin pieces crack less while drying - 11 lb supply is a good middle size for a porcelain project - Paper porcelain can be joined when leather hard more easily Cons: - Paper clay can smell if stored wet for a long time - Fibers burn out in the kiln, so ventilation during firing matters Details: https://potterynest.com/product/B0C2V5N951 ### 4. SIO-2 Black Ice High Fire Porcelain Clay, 3.5 lb (Cone 5-6) Natural Modeling Pottery Clay for Wheel Throwing & Hand Building Our score: 7.8/10 (Fit for the job 8/10 · Features and specs 8/10 · Build and materials 8/10 · Value 7/10) SIO-2 Black Ice high fire porcelain clay, 3.5 lb, Cone 5-6, a dark porcelain for dramatic contrast pieces. Pros: - Black porcelain gives striking results under clear or white glazes - Cone 5-6 rating suits standard mid fire electric kilns - Great for accents, inlays and mixing with white clays for marbling Cons: - Dark clay stains hands, tools and wheels more than white bodies - Small 3.5 lb pack is best for accents rather than full sets Details: https://potterynest.com/product/B0CBLCTXJV ### 5. SIO-2 Aneto White High Fire Porcelain Clay, 3.5 lb (Cone 6-8) Natural Modeling Pottery Clay for Wheel Throwing & Hand Building Our score: 7.6/10 (Fit for the job 8/10 · Features and specs 7/10 · Build and materials 8/10 · Value 7/10) SIO-2 Aneto white high fire porcelain clay, 3.5 lb, Cone 6-8, for fine wheel-thrown and hand-built pieces. Pros: - White porcelain fires bright and smooth for delicate cups and bowls - Cone 6-8 rating works in mid fire kilns common in home studios - 3.5 lb pack lets you try porcelain before buying a full box Cons: - Porcelain is less forgiving and slumps easily for beginner throwers - Very small pack runs out after only a few pieces Details: https://potterynest.com/product/B0CBLD7M58 ### 6. Aurora Pottery Ceramic Clay - Pottery Clay for Potters Best Mix Plus Cone 10 (10 Pounds) Our score: 6.7/10 (Fit for the job 6/10 · Features and specs 7/10 · Build and materials 7/10 · Value 7/10) Aurora Pottery's Best Mix Plus Cone 10 ceramic clay in a 10 Pounds pack, a smooth high fire body for potters. Pros: - Best Mix Plus is a smooth, throwable clay similar to classic B-Mix - 10 Pounds pack is easy to handle for a trial or small project - Cone 10 body suits potters firing in high fire or gas kilns Cons: - It is a stoneware-style mix rather than true porcelain - Cone 10 needs a high fire kiln that many home setups lack Details: https://potterynest.com/product/B01DG0O9PC ### 7. Ceramic Clay - Pottery Clay for Potters (25 lb, Best Mix Plus Cone 10) Our score: 6.4/10 (Fit for the job 6/10 · Features and specs 6/10 · Build and materials 7/10 · Value 7/10) A 25 lb Best Mix Plus Cone 10 ceramic clay for potters wanting a smooth, high fire throwing body. Pros: - 25 lb box offers better value per pound than small packs - Smooth Best Mix style body throws easily for bowls and mugs - Cone 10 firing gives dense, durable functional ware Cons: - Compare this clay mix against other cone 10 clays before buying - Not a porcelain, so it will not fire translucent Details: https://potterynest.com/product/B01DG0OA7O As an Amazon Associate I earn from qualifying purchases.