Kaiba ed goma so panumbok ed normal a porma: pulbos, abuek, pulbos na larak, tan say batch{0} .
Say kemikal a goma a niburas (pan-ibung (paniki na matter) so ginawa nen dekada 1940, pian ginmapo so industriya nen dekada 1980, say $literal a panag-indrust nen 90} tan binigla na amin a bengatla anggad kayari na 19}.
Wala ray pigaran tanaman ya nayarin mansusuplay na saray produkto na bangka ed Tsina{}} met so pangipaway na batch ed sankamundoan ya merkado, singa say Russia, Brazil etc{1}.
