Section 46. No person shall manufacture, store, keep for sale, sell or transport any compound for use as a stove polish containing any liquid or compound whatsoever which will emit a gas that will flash at a temperature of less than one hundred and forty degrees Fahrenheit, except that foundry paste which contains inflammable compound, if packed in metal containers, sealed by fusion and weighing in gross not less than five pounds, and if such container is labeled ”Dangerous-Inflammable compound—Keep away from fire, heat and lights” may be manufactured, stored, kept for sale, sold or transported for use only by stove foundries, stove manufacturers and stove dealers on their own premises under rules and regulations prescribed by the board. The flash point of said compound shall be ascertained in the manner prescribed by such rules and regulations. Whoever violates this section shall be punished by a fine of not more than five hundred dollars or by imprisonment for not more than six months or both.