Basic definition of resin

Resin usually refers to the organic polymer with softening or melting range after heating. When softening, it tends to flow under the action of external force. It is solid, semi-solid or sometimes liquid at room temperature. Broadly speaking, any polymer compound that can be used as raw material for plastic products processing is called resin. The relative molecular weight is uncertain but usually high. It is solid, medium solid, pseudo solid and sometimes liquid organic matter at room temperature. It has softening or melting temperature range, has flow tendency under the action of external force, and the fracture is often in shell shape. 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 different characteristics of its processing behavior, it can be divided into thermoplastic resin and thermosetting resin.

Dowex resin is a non separable and uniform mixed bed resin. Low ppb levels of silicon, boron, sodium, potassium, sulfate, chloride, zinc, iron and aluminum ions are achieved in a non renewable mixed bed in the ultra pure water polishing stage. This kind of non renewable mixed bed can be used for 2-3 years before replacement. UPW grade resin has high ion conversion rate (95% Z small), excellent conductivity, TOC cleaning characteristics and super compressive strength. Because it is a mixture of 360 micron cation resin and 590 micron anion resin with uniform particle size, it maintains efficient dynamic performance and high operation exchange capacity.

Rubber refers to a class of high molecular compounds with significantly high elasticity, including natural rubber and synthetic rubber. Natural rubber can be obtained from some plants. Synthetic rubber is a finished product made of butadiene, isoprene and chloroprene obtained from natural gas and petroleum gas, polymerized under certain conditions, vulcanized and filled. There are many kinds of synthetic rubber, among which styrene butadiene rubber is a kind of synthetic rubber with high output and wide application.