A superior mixture of waxes and copolymer alloys, ParaPro™ XLT is our signature paraffin in the ParaPro™ line. For infiltration and embedding. ParaPro™ XLT produces ultra-thin compression-free ribbons and can be used to cut 2-micron sections without icing. Provides excellent support for all types of tissue samples while maintaining exceptional clarity. Melting Point 55°C.