Amaco - Marblex Self Hardening Clay

Marblex Self Hardening Clay

5 lb.
SKU: 88671
MPN: 47336W
5 lb.
List: $27.00
$22.95
SAVE 15%

Sculpt permanent gray clay pieces that harden naturally without kiln firing

Pinching, coiling, slab construction. As it dries, pieces develop genuine structural integrity, hard enough to withstand handling and display without the fragility of unfired earthenware.

Amaco formulates this self-hardening clay specifically for permanent sculptural work rather than temporary studies. Dried pieces maintain their form indefinitely, though they remain porous until sealed. Apply acrylic paints, stains, or sealers once fully cured to protect surfaces and add color. For waterproof finishes, coat thoroughly with appropriate sealers, essential for pieces that might encounter moisture. The gray color provides a neutral base that accepts surface treatments readily.

Sculptors working without kiln access use Marblex for everything from architectural models to finished artwork. Air-dry time varies with thickness; plan several days for solid forms, less for hollow construction. Never attempt to fire this clay, it's engineered for ambient curing, not kiln temperatures.

PRODUCT INFORMATION

  • Gray self-hardening clay, no kiln needed
  • Air dries to hard, durable finish
  • Ready-to-use plastic consistency for immediate modeling
  • Creates permanent objects without firing
  • Requires sealer for waterproof protection
  • Ideal for sculpture and decorative pieces
Crafts

Crafts Purchase Guide

Crafting Supplies

Decorative Painting - Multi-surface acrylic paints from FolkArt, Apple Barrel, and DecoArt Americana bond to wood, metal, glass, and ceramic. UV-resistant formulations maintain color intensity.

Jewelry Making - Beads, findings, wire, and tools for creating custom jewelry pieces. Includes crimping tools, pliers, and specialized adhesives.

Stamps and Embossing - Rubber stamps, embossing powders, and heat tools for creating textured designs on paper, fabric, and other surfaces.

Stenciling - Reusable stencils and specialty paints for creating consistent patterns and designs on various surfaces.

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