Resins are solid or semisolid complex amorphous mixtures of organic compounds that cannot be characterized by definite melting points and which show no tendency to crystallize. Historically, however, the term resin has been applied to a group of...

An imprecise term used predominantly to describe a range of organic solid or semi-solid exudates obtained from plants. See also:...

Resin or rosin[1] is a hydrocarbon secretion of many plants, particularly coniferous trees, valued for its chemical constituents and uses, such as, as varnishes, adhesives, as an important source of raw materials for organic synthesis, or for incense...

WHAT IS MELAMINE?Melamine is an organic compound, which is 67 percent nitrogen, but also contains hydrogen and carbon, said John Groves, professor of chemistry at Princeton University. It can be produced in a lab, but it is also produced when some pesticides break down, according...