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※ Some contents are corrected ------------------------------------------------------------------------------------------------ Butane gas can be classified into detachable (long cylinder) and screw-type (round cylinder) depending on the shape, and can also be classified into regular butane and isobutane depending on the contents. In other words, regular butane can be sold in long or round shapes, and the same goes for isobutane. ※ The expressions “long cylinder is butane gas” and “round cylinder is isobutane” are incorrect. The long-shaped gas that is widely used in restaurants and portable gas stoves (boosters) is mainly composed of regular butane, and companies such as Snow Peak, MSR, Kovea, and Max sell products with isobutane as the main component and 15% to 30% propane mixed in. Although the price range is high, it has the advantage of stronger heating power in the cold winter. Regular butane boiling point: -0.5 (will not ignite if it falls below 0 degrees) Isobutane boiling point: -11.7 (will ignite even at -10 degrees) Propane boiling point: -42 degrees (will ignite even at -40 degrees) There is almost no difference in the firepower between regular butane and isobutane at room temperature, but the difference is large in winter. ------------------------------------------------------------------------------------------------ Various ways to eat lunch or a snack warm on a cold winter day #Winterfood #Winterhikinglunch #Heatingupthesunpan #Howtouseaheatpack #Thermicfood #Hotandcook #Ramenbab #Combatrations #Winterhikingfood #Warmfood