TEC INDUSTRIES INVENTION PATENT 904 019 684 Publication No. 0.407.308 A1 Fineness of spray with a non-flammable compressed gas LIQUEFIED GASES FOR AEROSOLS Isobutane Isobutane has almost fallen into disuse because of its -83°C boiling point. It tends to be replaced by butane-propane. The sale of isobutane aerosols in superstores, supermarkets, DIY outlets, and small specialist









