sandarach การใช้

• Lacquers or spirit varnishes are made from very soft gums, such as shellac and sandarach, dissolved in methylated spirit.
• There are many kinds of French polishes, mixed in different ways, but most are composed of shellac and sandarach dissolved in spirit.
• Pliny, XXXV, chap . 22 says that, according to Juba, the island " Topazus in the Red Sea ", also had mines producing sandarach ( realgar ) and ochre, " but neither of them are imported to us from that place ."