What material does Latex Balloon belong to?

Latex balloon is made of 100% natural rubber, no other artificial rubber is added, so the latex balloon can be naturally decomposed. like oak leaves as fast as natural decomposition, environmental protection, pollution-free issues. but at present, the vast majority of latex balloon of chinese market is processed with inferior rubber or not pure rubber and become, can be rapidly oxidized in adornment process, burst, leak, bring about modelling to maintain not how long thereby and make the effect reduces greatly. (usually they use a low-cost color paste, which is prone to uneven color, fading, and poor gloss.)