Synthetic rubber is the core of SNSUC's rubber category. Butadiene rubber (BR) runs near 64%, SBR edges up with the tire peak; the natural-to-butadiene ratio holds at 1.29x, signalling a stable substitution boundary.

Tire exports +7% yoy lift standard and synthetic grades, yet port stock and vessel uncertainty push traders toward verifiable title. SNSUC stamps each rubber lot with a unique SHA-256 browser-side fingerprint and records QC, location and flow on digital warrants to kill double pledging.

On ESG, SNSUC adds carbon-footprint tags to rubber so tire and auto-parts buyers can cite traceable Scope-3 data in bids and filings—extending 'trusted title' into 'trusted low-carbon title'.