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Ion Exchange Resin Technology

Full Line of Ion Exchange Resins

Our mission for cleaning water starts with you — delivering high-performance resins for global industries.

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About Sanford Chemical

Bengbu Sanford Chemical Co., Ltd is a professional manufacturer devoted to ion exchange technology and innovation, and a global leading supplier of ion exchange resins. Our product lines cover Strong Acid Cation (SAC), Weak Acid Cation (WAC), Strong Base Anion (SBA), Weak Base Anion (WBA), Chelation Resin, Catalyst Resin, Adsorbent Resin, as well as Specialty Resins and Polyacrylamide (PAM).

These resins are widely used in industrial water treatment, power energy, chemical processing, metallurgy, pharmaceuticals, food and beverage, biochemical applications, organic extraction, and separation processes.

Since establishment, Sanford Chemical has adhered to the principle of "Customer Focus." Backed by our high-tech talent and technical teams, we continuously adopt new technologies, processes, equipment, and materials to improve product quality. We concentrate all our efforts on developing products that meet the requirements of critical customers with the highest demands.

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Our Product Range

Comprehensive portfolio of ion exchange resins engineered for performance, reliability, and compliance across industries.

Strong Acid Cation Resin (SAC), Macroporous

Styrene-DVB matrix with sulfonic acid functional group, available in Na⁺ and H⁺ forms. Ideal for industrial softening and demineralization.

  • • Macroporous structure
  • • Standard & UPS particle sizes
  • • Industrial & FDA-certified food grade
  • • Regenerable with acids
SAC Resin

Strong Acid Cation Resin (SAC), Gel

Gel-type SAC resin with sulfonic acid functionality. High exchange capacity and mechanical strength for continuous operation.

  • • Gel structure for high kinetics
  • • Available in Na⁺/H⁺ forms
  • • FDA-compliant food grade option
  • • Uniform particle size (UPS)
SAC Resin

Weak Acid Cation Resin (WAC)

Carboxylic acid functional groups (RCOO⁻) for efficient cation exchange. Excellent for dealkalization and softening.

  • • Gel & macroporous options
  • • High regeneration efficiency
  • • Low acid consumption
  • • Ideal for high alkalinity water
WAC Resin

Strong Base Anion Resin (SBA), Macroporous

Macroporous structure with quaternary ammonium groups. Effective for removing large organic molecules via adsorption and ion exchange.

  • • Porous structure for organics removal
  • • Supplied in Cl⁻ form
  • • High mechanical strength
  • • Resistant to osmotic shock
SBA Resin

Strong Base Anion Resin (SBA), Gel

Gel-type SBA resin with -N(CH₃)₃ functional groups. Available as Type I or Type II, in Cl⁻ and OH⁻ forms.

  • • High working capacity
  • • Type I & Type II options
  • • FDA-certified food grade
  • • Used in pure water & hydrometallurgy
SBA Resin

Weak Base Anion Resin (WBA)

Features weakly basic primary amine groups. Highly effective in removing strong acids with low regenerant consumption.

  • • Gel & macroporous variants
  • • Not sensitive to CO₂ or silica
  • • Low caustic usage
  • • Used in demineralization systems
WBA Resin

Mixed Bed Resin

Pre-mixed combination of SAC and SBA resins for producing high-purity water in single-pass systems.

  • • High resistivity output
  • • Used in electronics & pharma
  • • Compact system design
  • • Regenerable in situ
Mixed Bed

Macroporous Adsorbent Resin

Non-ionic resin with high surface area for selective adsorption of organic compounds from aqueous solutions.

  • • High porosity & surface area
  • • Used in organic recovery
  • • Regenerable with solvents
  • • Stable in acidic/alkaline media
Adsorbent

Macroporous Chelation Resin

Selective for heavy metal ions such as Cu²⁺, Ni²⁺, Pb²⁺, and Zn²⁺. Ideal for wastewater treatment and metal recovery.

  • • High selectivity for metals
  • • Reusable after regeneration
  • • Stable across wide pH range
  • • Used in electroplating effluents
Chelation

Specialty Resin

Custom-engineered resins for niche applications including catalysis, selective separation, and specialty purification.

  • • Tailored functional groups
  • • Application-specific design
  • • High thermal & chemical stability
  • • OEM & private label options
Custom

Polyacrylamide (PAM)

High molecular weight polymer used as flocculant in water treatment, mineral processing, and sludge dewatering.

  • • Anionic, cationic, non-ionic types
  • • High flocculation efficiency
  • • Low dosage requirements
  • • Environmentally safe
PAM

Catalyst Resin

Functionalized resins used as heterogeneous catalysts in chemical synthesis, esterification, and hydrolysis reactions.

  • • Acidic or basic functional sites
  • • Reusable & separable
  • • High selectivity
  • • Green chemistry applications
Catalyst

Industrial Applications

Our resins serve critical roles across diverse sectors requiring high-purity water and separation solutions.

Water Treatment

Softening, demineralization, dealkalization, and pure water production.

Power & Energy

Boiler feedwater, condensate polishing, and cooling water systems.

Pharmaceuticals

Purification, API separation, and water for injection (WFI) systems.

Metallurgy

Hydrometallurgical extraction of gold, silver, tungsten, and rare earths.

Latest News

Stay updated with innovations, certifications, and industry insights from Sanford Chemical.

New FDA Certification
PRODUCT UPDATE

FDA-Certified Food Grade Resins Now Available

Expanded line of SAC and SBA resins compliant with FDA standards for food and beverage applications.

Factory Expansion
COMPANY NEWS

New Production Line Increases Capacity by 40%

State-of-the-art facility expansion enhances output and quality control for global supply.

R&D Innovation
TECHNOLOGY

Breakthrough in Chelation Resin Selectivity

New formulation improves heavy metal recovery efficiency in complex wastewater streams.

Get in Touch

For product inquiries, technical support, or partnership opportunities, visit our official website.

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