What is resin? Is it dangerous?

Resin is generally regarded as the normal metabolite or secretion of plant tissues, and often coexists with the volatile oil in secretory cells, resin ducts or ducts of plants, especially in the heartwood of perennial woody plants. A mixture of various components, usually amorphous solid, with a slightly shiny surface, hard and brittle, and a few semi-solid. Insoluble in water, insoluble in water, soluble in most organic solvents such as alcohol, ether and chloroform. It was softened by heating and finally melted. There is thick smoke and special aroma or smell when burning. It can be divided into natural resin and synthetic resin.

Chinese name: resin

Mbth: resin

Definition: The relative molecular weight is uncertain but usually high. At room temperature, it is solid, medium solid, pseudosolid and sometimes liquid organic matter. It has a softening or melting temperature range, tends to flow under the action of external force, and often cracks into a shell. In a broad sense, it refers to polymers or prepolymers used as plastic substrates. Generally insoluble in water, soluble in organic solvents. According to the source, it can be divided into natural resin and synthetic resin; According to the characteristics of different processing behaviors, there are thermoplastic resins and thermosetting resins.

Resin is not dangerous.

Reference: Baidu Encyclopedia.