Ion Exchange Hard Water Softening Resin

Lanlang ® TC007FG Is a premium food grade gel type strong acid cation exchange resin produced by sulfonated styrene-divinylbenzene (DVB) copolymers in standard Gaussian size distribution. TC007FG is in compliance with US FDA 21 CFR 173.25 and NSF/ANSI 61 qualified with WQA Gold Seal Certificate. It has excellent chemical, physical and thermal stability. Its good ion exchange kinetics gives high efficiency for uses in both regenerable softeners and non-regenerable cartridges.
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Product Details

Lanlang ® TC007FG

Food Grade gel type SAC ion exchange hard water softening resin

Basic Features:


Water softening for potable water, foods and beverages

Polymer matrix structure:

Gel polystyrene crosslinked with divinylbenzene (DVB)


Amber, spherical beads

Functional Group:

Sulphonic acid

Ionic form as shipped:


Further information:

The main factors affecting IX are flow rate, raw material concentration, temperature, and so on.

-Flow rate

The flow rate of the raw material liquid actually reflects the time to reach the reaction equilibrium. During the exchange process, ions undergo a series of steps of diffusion-exchange-diffusion, and it is important to effectively control the flow rate. Generally, the larger the flow rate of the exchange solution is, the higher the dialysis capacity of the ions will be. Therefore, an appropriate flow rate should be selected according to the exchange capacity and the like.

-Raw material concentration

The exchangeable ions in the resin and the same-sex ions in the solution may be exchanged or repelled. The liquid ion concentration is high, the resin has many opportunities for contact, and it is easier to enter the resin mesh. The liquid phase concentration is low and the resin exchange capacity is large , The opposite is true. However, if the liquid ion concentration is too high, it will cause shrinkage of the pores on the resin surface and internal cross-links, and it will also affect the ions entering the pores. Experiments show that at a constant flow rate, the higher the solution concentration, the greater the solute loss volume.


The higher the temperature, the more intense the thermal movement of the ions. Increasing the number of collisions per unit time can speed up the reaction rate. However, if the temperature is too high, the adsorption strength of ions will decrease, and even the thermal stability of the resin will be affected, which is economically unfavorable. It is more appropriate to use room temperature operation in actual production.

Comany profile:

Lanlang, established in 2005, has a professional team engaged in the research, development, production, sale, and service of water filtration medias. We have obtainedWQA Certificationwith NSF / ANSI61 and 372 standard.Welcome to contact us for ion exchange hard water!

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