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Oxidative Finishes

Polymerizing Linseed and Tung Oils: Auto-Oxidation Crosslinking and Micro-Porous Breathability

The organic chemistry of conjugated double bond crosslinking during UV-catalyzed atmospheric drying of raw pressed oils.

By Greta Svan, Finishing Chemist September 08, 2026 • 6 min read
Polymerizing Linseed and Tung Oils: Auto-Oxidation Crosslinking and Micro-Porous Breathability

Conjugated Triene Fatty Acid Crosslinking

Alpha-eleostearic acid in pure tung oil contains three conjugated double bonds that crosslink spontaneously into a tough polymer film.

Micro-Porous Vapor Permeability vs Plastic Polyurethane

Natural drying oil films allow trapped water vapor to escape cellular pores freely without bubbling or peeling.

Cobalt and Manganese Drier Catalysts

Trace metallic carboxylates catalyze peroxide radical decomposition, accelerating full dry-through from 14 days down to 24 hours.

⚠️ Technical & Safety Verification

The empirical methods outlined in this study reflect verified sustainable nordic timber architecture & traditional joinery metrology protocols and field measurements. Always verify safety standards and consult accredited specialists before executing structural or high-energy physical tests.

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