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Relative molecular weight is uncertain but usually higher, at room temperature it is solid, medium solid, pseudo solid, and sometimes liquid organic material. With a softening or melting temperature range, there is a tendency to flow under the action of external forces, and shells are often present when broken. Broadly speaking refers to polymers or prepolymers used as plastic substrates. It is generally insoluble in water and soluble in organic solvents. According to the source can be divided into natural resins and synthetic resins; according to their different processing behavior characteristics of thermoplastic resin and thermosetting resin.
DOWEX resin is an inseparable homogeneous mixed bed resin. Lower ppb levels of silicon, boron, sodium, potassium, sulfate, chloride, zinc, iron, and aluminum ions are achieved using a non-renewable mixed bed in the ultrapure water polishing process stage. This non-renewable mixed bed can be used for 2-3 years before replacement. UPW grade resin has a very high ion conversion rate (95% minimum), excellent conductivity and TOC cleaning characteristics and superior compressive strength. Because it is a mixture of 360 micron cation resin and 590 micron anion resin, it maintains high dynamic performance and high operating exchange capacity.
Definition of resin
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