724 



THE INDIA RUBBER WORLD 



July 1, 1921 



CoTOMAK. A hard gutta percha, lacking nerve, from eastern 

 Borneo; smooth surface, very white, has about 30 per cent 

 shrinkage. 



Crude Chicle. See Chicle. 



Crude Gutta Percha. Gutta percha as it is received from 

 the gatherers or reboilers. 



Getah MoENDiRiG. A brown, second-grade gutta from the prov- 

 ince of Bantam, Java. 



GooLiE. A Malay term for the material extracted from the 

 thin latex of inferior sorts of guttiferous trees. 



GooLiE Red Soondie, or Sundl A good grade of gutta percha 

 exported from Serapong, Borneo. 



Gum Plastic. From the Latin, gtimmi plasticum. An old and 

 expressive name for gutta percha, as distinguished from gum 

 elastic (gummi elaslicum) or caoutchouc, and referring to its 

 unique property of being easily softened and molded in hot water, 

 or, more slowly, in hot air. 



Gutta. The essential element of gutta percha. A whitish, 

 smooth, amorphous substance insoluble in ether, alcohol, or light 

 petroleum spirit at ordinary temperatures. Softens at 114 degrees 

 F. Assigned the formula (C,oH«)X. Also a Malay term for 

 a variety of gums. A short term for gutta percha. 



GuTTANE. A fourth substance (in addition to gutta, fluavile, 

 and albane) isolated from gutta percha by Oesterle in 1892. 



Gutta Bassia. See Bassia. 



GuTTA Cotie. See Coti. 



Gutta-Merah, or Getah Taban Merah. A term applied to 

 a reddish gutta percha of the highest grade shipped from Singa- 

 pore, the balam-merah of Palembarg and the sambun of 

 Banjermassin. Also a name given by Chinese traders to mixtures 

 of balam-merah with poor guttas. 



Gutta Penang. A low-grade gutta percha exported from 

 Singapore, but ranking in quality above gutta cotie. It is marketed 

 in rolled sheets 5 or 6 inches in diameter ; color, slightly pinkish, 

 and is somewhat bark-specked. 



Gutta Percha Fat. A vegetable fat of a high melting point 

 (40 degrees C.) obtained from the seeds of the gutta percha tree. 



Gutta Quality. A condition determined by the relative pro- 

 portions of true gutta and resins in the gutta percha mass, the 

 grades having the most gutta and the least resin ranking highest. 



Gutta Shapes. Forms in which the gum is usually shipped : 

 balls, square cakes, cylindrical rolls, pear and bottle-shaped masses, 

 etc. 



Gutta Resins. Fluavile — a transparent, yellowish resin, and 

 albane — a white, crystalline resin, which together form from 10 

 to 54 per cent of the gutta percha of commerce. 



Gutta Shea. A gum coagulate from the shea, galam, or 

 bambouk tree, said to be the nearest approach to gutta percha 

 among African products ; also known as karite gum. Authorities 

 differ as to its value as a gutta percha substitute. 

 Gutta Siak. See Siak. 



Gutta Sundek, Sundi or Soondie. Also called gutta babou. 

 A valuable gutta, fine samples of which show a bright, white, 

 compact mass, some ivory-like; often colored with bark extract. 



Gutta Susu. A rubber sometimes miscalled gutta percha, "and 

 often used as an adulterant of gutta percha, especially of balam- 

 merah, to which, though not mixing intimately, it imparts some of 

 its elasticity. Obtained from a vine in Sumatra and Borneo, and 

 chiefly exported from Singapore. 



Gutta Tapan or Tuban. A Malay term for the Palaquium 

 gutta, which some claim is the proper name for gutta percha. 

 A high-grade gutta exported from Selangor in the Federated 

 Malay States. 



Gutta Teban Sutra. Malay term for a high-quality, silky- 

 feeling gutta percha. Some authorities accord it first place. Also 

 called gutta dcrrian. See Gutta Taban. 

 Hanckang, or Jangkang, or Jongkanc. A gutta which in 



the Dutch East Indies is used for adulterating better kinds of 

 gutta percha. Gray-white, often reddish, and dark-brown outside; 

 hard, brittle, with little resilience, has a peculiar odor, and is 

 often very dirty. Shipped chiefly from Banjermassin and Pon- 

 tianak. 



Indian Gutta Percha. A gum long used as an adulterant of 

 guttas in Singapore ; hard, brittle when cold, but plastic in hot 

 water. See Pala Gum. 



Indraciri. a high-grade gutta from the Indragiri river section 

 in eastern Sumatra. 

 Jangkang. See Hangkang. 



Kalipaya. Native Philippine name for the Palaquium ahemi- 

 aiium. a tree yielding much of the gutta percha gathered in the 

 islands. 



Keletan. a gutta from the northeast part of the Malay penin- 

 sula ; when new — waxy, rose-colored ; old — white, chalky ; friable, 

 lacks nerve. 



Ko.'^TEi Gutah Merah. A good, reddish gutta exported from 

 Singapore; grades average 44 and 46 per cent pure gutta. 



Kotaringin. a fine white to brownish gutta from south 

 Borneo. 

 Kou Gum. See Sicete. 



Leaf Gutta. Gutta percha extracted by solvents from leaves, 

 chiefly the Palaquium. 



Liquid Gutta Percha. A fluid obtained by dissolving gutta 

 percha in chloroform, adding a little finely-powdered carbonate 

 of lead and, after the insoluble matter has settled, decanting the 

 clear liquid. 



Macassar. A district in southern Celebes producing much gutta 

 percha. A term formerly applied to very high-grade gutta percha, 

 but now referring mostly to various sorts from Banjermassin — 

 kotaringin, coti, bolungan, and sandekan. 



Madar Gutta. A pseudo-gutta from the sun-dried milk of 

 the Callotroffis proccra; habitat, deserts of Central India, Rajpu- 

 tana, and Sind. 



Majang, or Mayang. A Malay word for the gutta percha tree. 

 Maragulai. a very hard gutta, grayish and sometimes very 

 white. 

 Mazer Wood. An ancient name for gutta percha. 

 Mixed White. A medium grade of so-called white gutta 

 percha from Borneo. 



Nicer Gutta. An African gutta percha, also known as bassia. 

 See Bassia. 



Njatoeh. a very hard gutta, but sensitive to light, from 

 Banjerang, Java. 



Padang. a fair grade of gutta from Padang on the west coast 

 of Sumatra ; yellowish-red, specky, hard, nervous, has about 40 

 per cent debris. 



Padang Reboiled. A low grade of mixed gutta from Padang. 

 Pahang. The choicest grade of gutta percha, taking its name 

 from the state of Pahang in the Malay peninsula. Usually has 

 few impurities and is exceptionally rich in true gutta; yellovnsh 

 white, rarely reddish, and sometimes faintly green. 



Pahang White. A white, chalky, friable gutta from Pahang; 

 soft, nervous, and with about 40 per cent debris. 

 Pala Gum. See Indian gutta percha. 

 Panama Block. See Balata. 

 Panjindangan. a medium grade Java gutta. 

 Pasir Kilang. a Javanese grade of gutta. 

 Pekan. a slightly hard, nervous gutta, plum brown, from 

 Pchang. 

 Penang. See Gutta Penang. 



Perak. a gutta of good quality produced at Perak. See 

 Njatoeh. 



Puan, or Dujan. A gutta like balam-merah. See Balam- 

 Merah. 



Putih, or Puteh. A Malay term under which several vari- 



