calor gas propane or butane
Whenever you use Butane, you need to take certain precautions to stay safe. Calor is committed to giving you all the information and advice you need to use your Butane effectively and safely, so weâve created a guide to using our gas bottles. Never try to disconnect or unscrew a regulator from a gas bottle if the flame doesnât go out when the cylinder hand wheel is turned off. 2  When using a 4.5kg gas bottle, avoid using the rubber washer from the protective black cap as a sealing washer.