Product description. Kato Polyclay is the strongest and most durable polymer clay available. This formula is preferred by artists over other leading brands because of its curing properties, vivid colors, and ease of use. 8 spectral colors are available including 4 warm and 4 cool colors, creating a complete color wheel.
Reference: www.amazon.com/Kato-Polyclay-Assor-Color-18pc/dp/B01FWPXDA6
What is the most durable clay?
Best Polymer Clay:
Is polymer clay water and weather resistant?
People often want to seal their polymer clay creations for protection against the elements or from damage during use. In most cases this is unnecessary. Once it’s been properly baked or cured, polymer clay becomes a durable solid plastic that is waterproof, shock resistant, and fairly tough.