Pontianac

Quick meaning: Pontianac is a noun meaning A fossil resin historically used in the production of some rubber, produced from the latex of Dyera costulata.

Meaning

A fossil resin historically used in the production of some rubber, produced from the latex of Dyera costulata.

Example Sentences

If the acetone extract is brittle, the presence of a resin is indicated. It may be either rosin, coumarone resin or pontianac resin.

A firm of manufacturers to whom a sample of the Galactodendron latex was submitted considered that the material could be used in the rubber industry as a substitute for pontianac.

Glycerol, partially esterified with abietic acid is preferred although glycerol, etc., esterified with rosin, Congo, manila, the pontianacs, the shellacs, kauri, copal or other fossil resins may be used.

Some fifteen years ago enterprising technologists found that the rubber in pontianac was a very satisfactory material from the commercial standpoint, so much so that its extraction from the pontianac by deresination would be commercially sound, in view of the then obtaining price of crude rubber, provided an efficient method of extraction could be developed.

Word Forms

• pontianacs
• pontianak

Synonyms for pontianac

Depending on context, synonyms include jelutong.

Related Words

Related dictionary entries include jelutong, gutta-percha, rambong, guttapercha, indiarubber, damar.

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