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SEPLITE® LSF974 Strong Acid Cation Resin

Gel type, Polystyrene DVB Crosslinked copolymer
Product Description

SEPLITE® LSF 974 is a gel type strong acid cation resin with polystyrene-divinylbenzene matrix and in monodispersed particles, it has a reticulated structure. Among the functional groups, exchangeable ions are evenly distributed on the surface of the reticulated space. Compared with normal SAC cation, it enjoys a much stronger matrix and which ensures its good resistance of osmotic shock.

The resin is suitable for fixed bed adsorption, moving bed adsorption and stirring adsorption. It was specially developed for applications like amino acid, lysine, thin juice, sugar etc.

Manufacturing process is fully compliant with European Union regulation on Ion Exchange Resins and Adsorbers used in the processing of foodstuffs ResAP 2004(3).

Please follow our start-up recommendations which is available upon request, when using our products in food applications.

SEPLITE® LSF974 Strong Acid Cation Resin Physical and Chemical Characteristics:


Gel type, Polystyrene DVB Crosslinked copolymer

Function group

Sulfonic acid

Physical Appearance


Shipping form


Water Content (%)


Total exchange capacityeq/L


Density (g/ml)


Bulk Density (g/ml)


Particle size (mm)


Uniform coefficient



(NA+--H+) <10

(NH4+--H+) 5-10

SEPLITE® LSF974 Strong Acid Cation Resin Key features and benefits:

Excellent mechanical strength;

Long service life;

High exchange efficiency;

SEPLITE® LSF974 Strong Acid Cation Resin Treatment:

Backwash the resin with pure water for 1-2 hours at the rate of 12-15m m3/h;

Add 5-10bv 4% hydrochloric acid and treat it for 3-4 hours;

Wash with pure water until it becomes neutral;

Regenerate with 2-4bv 6% ammonia.

SEPLITE® LSF974 Strong Acid Cation Resin Precautions:

Resins should be stored in sealed containers or bags where temperature was above 0℃ in dry conditions without exposure to direct sunlight. Do not mix ion exchange resin with strong oxidizing agents; otherwise it will cause violent reactions.

In case of eyes contact with resins, rinse eyes immediately with plenty of water, and consult a specialist.

Material and samples must be disposed according to local regulations.

Dry polymers will expand when become wetted and may cause an exothermic reaction. Spilled materials may be slippery.

SEPLITE® and Monojet™ are registered trademarks of Sunresin New Materials Co. Ltd.

This information is general information and may differ from that based on actual conditions. For more information about SEPLITE® resins, please contact SUNRESIN® directly.

All information set forth herein is for informational purposes only. This information is general descriptive (introductory) information of SUNRESIN and its related products, technologies and services. Neither shall constitute the guarantee of SUNRESIN and its affiliates to products, technologies and services in specific fields and specific application conditions results, unless otherwise expressly noted. SUNRESIN and its affiliates assumes no obligation or liability for the information in this document. Customer is responsible for judging whether the information is appropriate for Customer's concrete demand and are obliged to understand whether the use of these products, technologies and services is permitted by the laws and regulations of their countries and relevant regions. Unless expressly stated, no freedom from infringement of use any patent or trademark or intellectual property rights owned by SUNRESIN or its affiliated companies under this document is to be inferred.

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10 2023-08
Fred Ghanem has joined Sunresin as Vice President of Life Science division managing the American market

We are excited to announce that Fred Ghanem has joined Sunresin as Vice President of Life Science division managing the American market. Fred has 25 years experience in Ion Exchange Resins, adsorbents and specialty resins and 4 years in catalysis. With a Master of Science in Chemical Engineering and Biotechnology and a PhD in Chemical Engineering, expected 2023, Fred is a great asset that will help the company to grow substantially in the Life Science market.

26 2023-07
Sunresin has entered in a collaboration agreement with Prof Fernando Albericio and Prof Beatriz G. De La Torre from University of KwaZulu-Natal

We are excited to announce that Sunresin New Material has entered in a collaboration agreement starting from August 2023 with Prof Fernando Albericio and Prof Beatriz G. De La Torre from University of KwaZulu-Natal (UKZN), South Africa, for the development of new resins for Solid-Phase Peptide Synthesis (SPPS), optimization of existing products and the development of novel chemistry to support pharmaceutical industry. Fernando does not need presentation. With more than 1000 publications in the field of SPPS and many patents, Fernando has helped for decades the peptide market to grow, expand and support patient life with the discovery of efficient processes for the manufacture of peptide APIs. Sunresin is now a recognized global leading company manufacturing on multiple ton scale resins that allow the production of API peptide by solid phase synthesis.

07 2023-07
Recruitment: Quality Assurance and Regulatory Affairs Manager (Life Science Products)

Sunresin is a leading company manufacturing Ion exchange resins, adsorbents and specialty resins for different industries. Sunresin has its headquarter in Xi’an China and is rapidly expanding globally. For our international Life Science division we looking for a Regulatory and QA manager able to assist the company growing in this field.

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