Tissue embedding media, a mixture of highly purified paraffin containing plastic polymers that provide support for both hard and soft samples. PARAPLAST® NORMAL: for routine use. DMSO free. Melting point 56°C. For 4-micron cuts. PARAPLAST ®PLUS: for quick tissue penetration. Melting point 56/57° C. It contains DMSO. For 2 micron cuts. PARAPLAST® X-TRA: particularly delicate on tissues in process. DMSO free. Melting point 52/54° C. For 1 micron cuts.