Rubber is made from (natural) latex. When that latex comes from Palaquium gutta we call it gutta-percha. Nowadays natural latex most commonly comes from Hevea b

Rubber is made from (natural) latex. When that latex comes from Palaquium gutta we call it gutta-percha. Nowadays natural latex most commonly comes from Hevea brasiliensis but it's the same thing EDIT: I see they are actually 1,4-polyisoprene but gutta-percha is in a trans configuration while H. brasiliensis latex is in a cis configuration. Not sure if that amounts to any difference in properties https://s10.lite.msu.edu/res/msu/botonl/b_online/e20/20c.htm https://s10.lite.msu.edu/res/msu/botonl/b_online/e20/20c.htm