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Japan waxJapan wax is a pale-yellow, waxy, water-insoluble solid with a gummy feel, obtained from the berries of certain sumacs native to Japan and China, such as Rhus verniciflua (Japanese sumac tree) and R. succedanea (Japanese wax tree). Additional recommended knowledgeJapan wax is a byproduct of lacquer manufacture. It is not a true wax but a fat that contains 10-15% palmitin, stearin, and olein with about 1% japanic acid. Japan wax is sold in flat squares or disks and has a rancid odor. It is extracted by expression and heat, or by the action of solvents. UsesJapan wax is used chiefly in the manufacture of candles, furniture polishes, floor waxes, wax matches, soaps, food packaging, pharmaceuticals, cosmetics, pastels, crayons, buffing compounds, metal lubricants, adhesives, thermoplastic resins, and as a substitute for beeswax. Other namesJapan tallow; sumac wax; sumach wax; vegetable wax PropertiesMelting point =53°C Soluble in benzene, ether, naphtha and alkalis. Insoluble in water or cold ethanol. Iodine value=4.5-12.6 Acid value=6-209 Saponification value=206.5-237.5 |
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Japan_wax". A list of authors is available in Wikipedia. |