Composite resins, Composite stratification, Epoxy ORTHOPOXY® Slow Slow bio based stratification system without Bisphenol See Product Compare Quick View Add to Wishlist Product added! View Wishlist View Wishlist Show Information Materials: Composite Resins Hardness: 85 ShD Chemistry: Epoxy Ratio: 100 / 40 Bio based: 45 % Processes: Composite Stratification Mix viscosity at 20°C: 450 mPa.s