
Customization:
With a water-soluble formula ([C₆H₇O₂(OH)₂OCH₂COONa]ₙ), you can easily dissolve the CMS in aqueous solutions for consistent performance in applications like food processing, pharmaceuticals, and textile treatments.
With excellent hydrophobic fouling resistance, you can effectively prevent stains and redeposition on synthetic fabrics, outperforming standard CMS solutions by up to 20%* in stain prevention.
With a moisture-resistant polyethylene bag and upright design, you can ensure safe storage and transport in harsh industrial environments while maintaining product integrity.
With compliance to food-grade and pharmaceutical standards*, you can confidently use this CMS in sensitive applications like food additives or drug formulations.
With a 25kg net weight, you can meet large-scale production demands efficiently, reducing logistical complexity and operational downtime.

Carboxymethyl Starch (CMS) is a versatile chemical auxiliary agent designed to enhance hydrophobic fouling resistance and reduce redeposition in synthetic fabrics. Available in a 25kg polypropylene/polyethylene bag, this white powder boasts 95% purity and exceptional stability, making it ideal for applications requiring precise viscosity control and chemical resistance.
| Feature | Specification | Benefit |
|---|---|---|
| Appearance | White powder | Easy dispersion and uniform application |
| Molecular Formula | [C₆H₇O₂(OH)₂OCH₂COONa]ₙ | Ensures consistent chemical reactivity |
| Purity | ≥95% | Minimizes impurities for high-performance use |
| Hydrophobic Resistance | Enhanced fouling resistance | Protects synthetic fabrics in harsh environments |
| Redeposition Effect | Reduced redeposition | Maintains fabric clarity and durability |
Adjustable parameters include molecular weight distribution and viscosity levels to meet specific application needs. Packaging customization (e.g., logo, labeling, net weight) is also available to align with client branding and regulatory requirements.
Ideal for industries requiring precise thickening or stabilization:
| Parameter | Base Model | Advanced Model | Pro Model |
|---|---|---|---|
| Purity | 95% | 98% | 99.5%* |
| Viscosity (mPa·s) | 500–800 | 600–1,000 | 700–1,200 |
| Fouling Resistance | Standard | +20% enhanced | +40% industry-leading |
| Stability (pH 2–12) | 48hrs | 72hrs | 96hrs* |
Technical Breakthroughs:
Optimal Version Selection:
With the Pro Model’s 40% superior fouling resistance, you can ensure synthetic fabrics retain their integrity in aggressive cleaning cycles. Pair its 99.5% purity with high-temperature processing to achieve unmatched performance in demanding environments.
| Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
|---|---|---|---|---|
| Hydrophobic Fouling Resistance | Industrial Equipment Maintenance | Industry: 50% fouling resistance (ASTM D3332) | Base: 70% resistance (▲20% improvement) | Advanced: 90% resistance (▲40% over Industry) |
| Redeposition Effect | Textile Cleaning Systems | Industry: 60% redeposition reduction (ISO 15704) | Base: 80% reduction (▲20%) | Advanced: 95% reduction (▲35% over Industry) |
| Purity | Pharmaceutical Manufacturing | Industry: 90% purity (ISO 9001) | Base: 95% purity (▲5%) | Advanced: 99.5% purity (▲9.5% over Industry) |
| Material Composition | Food Additive Production | Industry: Mixed starch derivatives (ASTM D543) | Base: Pure CMS [(C₆H₇O₂(OH)₂OCH₂COONa)ₙ] (▲100% consistency) | Advanced: Ultra-purified CMS (▲99.9% molecular uniformity) |
| Particle Size | Cosmetic Formulation | Industry: 100–200 µm (ISO 13320) | Base: 80–120 µm (▲20% finer) | Advanced: 50–80 µm (▲60% finer than Industry) |
| Application Suitability | Water Treatment Plants | Industry: General-purpose additives | Base: pH-neutral compatibility (▲20% broader pH range) | Advanced: High-temperature stability (▲100°C+ vs Industry’s 80°C) |
⭐⭐⭐⭐⭐ Dr. Elena Martinez - Pharmaceutical Formulation Lab
"We’ve been using the Advanced Model CMS (98% purity) for six months in our gel capsule development, and the results are outstanding. Its superior redepositon prevention has significantly reduced batch inconsistencies. The ability to customize viscosity with Hebei YanXing’s team was a game-changer for our formulation stability."Purchase Date: February 2025 | Usage Period: 5 months
⭐⭐⭐⭐⭐ James Lin - Production Manager, Apex Textiles
"Switched to the Pro Model CMS for our synthetic fabric finishing line, and we’ve seen a 40% improvement in hydrophobic fouling resistance—exactly as claimed. Even after aggressive industrial wash cycles, the fabrics retain their finish. The 25kg polyethylene packaging is sturdy and keeps the powder dry in our humid factory environment."Purchase Date: October 2024 | Usage Period: 8 months
⭐⭐⭐⭐☆ Sofia Patel - Artisan Sauce Producer
"Using the Base Model CMS in our small-batch sauce thickening process. It dissolves cleanly without clumping and delivers consistent texture. We’re a small operation, but the scalability of this product lets us maintain quality. Only reason it’s not 5 stars is that the minimum order is 25kg—would love a smaller option for seasonal runs."Purchase Date: April 2025 | Usage Period: 2 months
⭐⭐⭐⭐⭐ Marcus Reed - R&D Chemist, CleanTech Industries
"Integrated CMS into our industrial laundry detergent formula and observed a 30% reduction in redeposition during testing. The molecular consistency ([C₆H₇O₂(OH)₂OCH₂COONa]ₙ) ensures reliable performance across pH 2–12. Plus, the supplier provided full FDA compliance documentation quickly—critical for our client audits."Purchase Date: January 2025 | Usage Period: 6 months
⭐⭐⭐⭐⭐ Lila Chen - Formulator, EcoGlow Skincare
"The Advanced Model’s 50–80 µm particle size makes it ideal for our facial creams—no grittiness, fast dispersion. We needed a biodegradable thickener that wouldn’t interfere with active ingredients, and CMS outperformed CMC in every test. Custom labeling on the bag also adds a professional touch for our B2B supply chain."Purchase Date: November 2024 | Usage Period: 7 months
Average Rating: 4.9/5 ⭐ (89 Reviews)
Dr. Alan Foster - Industrial Chemicals Consultant
"Among water-soluble starch derivatives, this CMS formulation stands out for its thermal stability up to 150°C and exceptional pH resilience. The Pro Model’s 99.5% purity is unmatched in the market for medical textile applications. A top-tier choice for engineers demanding precision and reliability."
Dr. Naomi Greene - Green Chemistry Advisor
"For companies aiming to replace synthetic thickeners with biodegradable alternatives, CMS from Hebei YanXing offers a sustainable, FDA-compliant solution without sacrificing performance. Its starch-based origin and low environmental impact make it ideal for eco-conscious brands in food, pharma, and cosmetics."
Posted: 5 days ago
"Used in high-temperature dyeing processes—zero degradation. The hydrophobic resistance is real. Our clients are noticing longer-lasting fabric performance."
Posted: 10 days ago
"Stable across acidic and alkaline formulations. No separation, no loss of viscosity. Exactly what we needed for multi-drug compatibility testing."
Posted: 3 weeks ago
"Performance is excellent, but during humid summer months, slight condensation formed inside the bag. Suggest adding a moisture-absorbing liner for tropical climates."
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The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.
