This is a mixture of fine paraffin waxes and copolymer alloys in convenient pellets. PolyFin® produces ultra-thin compression free ribbons. It functions flawlessly in pressure/vacuum fluid flow processors and tissue embedding centers. PolyFin® provides maximum support for both hard and soft tissue samples while maintaining exceptional clarity. The exceptional paraffin formulation eliminates the need to reduce the waterbath temperature when cutting CNS tissue sections.