The working principle of safety matches: Head: oxidizing agent (KClO3, MnO2), combustibles (e.g., sulfur, etc.), a binder. Matchbox side: red phosphorus, antimony trisulfide, adhesive.
Ordinary black matches, safety matches is the original design, from Sweden. As the match after ignition head is still black, as distinguished from, and later joined the security dye in the first match in medicine.
The common black match is the original design of the safety match, originated from Sweden. Since the match head is still black after it is lit, in order to make a difference, later some dyes were adde...