High-Performance Butane1. 9oz Dissim Ultra Premium High Performance Butane. Xikar Purofine High Performance Butane is a cleaner, more powerful formula. It performs better at varying altitudes and temperatures. At less than 50 parts per million and near zero impurities; it burns cleaner and helps to prevent the internal components of your lighter from clogging. It fills faster than other butanes and produces bigger and better flames. For use exclusively with Carbon. Each 1.