Natural rubber processing chemicals. Natural rubber is susceptible to degradation by a wide range of bacteria. The bacteria "Streptomyces coelicolor", "Pseudomonas citronellolis", and "Nocardia" spp. are capable of degrading vulcanized natural rubber. Natural rubber Natural rubber, also called India rubber or caoutchouc, as initially produced, consists of polymers of the organic compound isoprene, with minor impurities of other organic compounds, plus water. Malaysia and Indonesia are two of the leading rubber producers. Forms of polyisoprene that are used as natural rubbers are classified as elastomers. Currently, rubber is harvested mainly in the form of the latex from the rubber tree or others.
Education sector responses to substance abuse or supporting resilient mental health or acquiring life or academic skills. Curriculum aiming to prevent substance use before the typical age of first use within the school system is directed at children who are around 6–12 years old. The typical age of first use of any substance will vary according to the national or local situation. Prevention education curriculum during this period is centred on what is referred to as ‘skills-based health education’. It aims to develop key personal and social skills such as those that support healthy emotional and social development during this period, and protect against later substance