Optical Virtual Sieve Curve & Sand Fineness Modulus Analyzer (ASTM C136 / 8735)

Deterministic Elliptical minor-axis sieve-aperture projection (simulating square mesh passage) + volumetric mass-fraction cumulative curve engine (.jpg, .heic, .png, .pdf) built for CEMEX, LafargeHolcim, Sika, ASTM C136 — zero-upload ephemeral Wasm RAM execution.

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Cloudflare Ephemeral Wasm RAM · 0% Retention

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Double-click 2.4× zoom · Drag to pan / 3D orbit

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