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Technical Performance

  • 99.8% Purity: Sourced via seawater extraction. Unlike mined chalk, this process ensures a mineral free from fillers and industrial drying agents. The magnesium is a bi-product.

  • Superior Porosity: The seawater extraction creates a unique crystal structure that absorbs moisture faster and maintains a dry feel for longer durations.

  • Neutral pH Balance: Naturally low in heavy metal impurities. This makes the chalk significantly gentler on the skin, reducing irritation and "raw" hands during high-frequency use.

  • The Range: Available in Pure Crush (dense pebbles and fine grain), Pure Powder (triple-sifted fine particles), and Pure Liquid (high-friction base layer).

  • Zero Additives: 100% pure mineral friction. We use no resins, rosins, or artificial drying agents, ensuring a clean grip that is better for your skin and leaves no permanent residue on the rock.