Methanol – we also offer you a range of methanol based signs and methanol based decals for gas station as well as personal needs. Readymade stock Includes methanol as well as UN1230 Methanol signs in black lettering. Since methanol is a highly flammable material, we can also provide you with methanol danger and warning signs. Please view our stock for further details of our methanol signs and methanol decals, plus place orders for custom methanol signs for all types of personal and business needs.