Ammonia, Formalin, Phthalate and Heavy Metal Free Latex – As per European standard - Latex For Pasting Shoe Inner, Leather Articles etc. Presence of Ammonia in natural rubber latex is highly objectionable. Ammonia reacts with leather and generate Chrome-VI on it which is highly toxic and prohibited. We have develop Ammonia, Formalin, Phthalate and Heavy Metal Free – As per European standard - Latex For Pasting Shoe Inner, Leather Articles etc. under our trade name Latex- 53 and Latex RC-102. It is milky white eco-friendly Latex and is used for manufacturing.