Goodcel Carboxymethyl Cellulose (CMC) for Coatings, Inks, Constructions, Food industry Goodyear Chemtech

Carboxymethyl Cellulose (CMC)

Goodcel Carboxymethyl Cellulose (CMC, commonly sodium carboxymethyl cellulose / cellulose gum) is an anionic water-soluble cellulose. Its molecular chain carries negatively charged carboxymethyl groups (-CH₂COONa), which endow it with strong hydrophilicity. It dissolves in both cold and hot water to form transparent, viscous colloidal solutions. Its performance is mainly determined by degree of substitution (DS) and molecular weight: higher DS brings better water solubility and electrolyte resistance, while longer molecular chains deliver stronger thickening capacity. Unlike non-ionic HEC, CMC is sensitive to high-concentration metal ions and strong acid, but it possesses unique anionic dispersing and anti-redeposition functions unavailable to neutral cellulose ethers.

Category:

Carboxymethyl Cellulose (CMC) Cellulose Ether

Carboxymethyl Cellulose (CMC)

Carboxymethyl Cellulose (CMC, commonly sodium carboxymethyl cellulose / cellulose gum) is an anionic water-soluble cellulose. Its molecular chain carries negatively charged carboxymethyl groups (-CH₂COONa), which endow it with strong hydrophilicity. It dissolves in both cold and hot water to form transparent, viscous colloidal solutions. Its performance is mainly determined by degree of substitution (DS) and molecular weight: higher DS brings better water solubility and electrolyte resistance, while longer molecular chains deliver stronger thickening capacity. Unlike non-ionic HEC, CMC is sensitive to high-concentration metal ions and strong acid, but it possesses unique anionic dispersing and anti-redeposition functions unavailable to neutral cellulose ethers.

🌱 Core Advantages

Outstanding water solubility: Rapidly dissolves in cold and hot water without heating; forms clear, lump-free colloid with proper stirring.
Powerful thickening & adjustable rheology: Offers high thickening efficiency at low dosage; most grades show thixotropy, thickens to avoid sagging and sedimentation.
Unique anionic dispersion & anti-redeposition: Negatively charged chains encapsulate solid particles (pigments, dirt, fillers), preventing re-adhesion onto fabrics, walls or substrates — a signature advantage for detergents and coatings.
Excellent emulsification & stabilization: Stabilizes oil-water emulsions, inhibits layering, precipitation and crystal growth in food and daily chemicals.
Superior water retention & film-forming ability: Locks moisture to extend open time; forms uniform, flexible, breathable protective films with good barrier performance for food coating and tablet coating.
Safe, non-toxic & biodegradable: Derived from natural plant; food/pharma grades are edible, non-irritating to skin and eyes, fully biodegradable in natural environment.

🧱 Key Applications

1. Coatings, Inks & Papermaking

Water-based latex paint, printing ink: Disperses pigments, prevents filler sedimentation, improves brush smoothness and sag resistance.

Paper sizing agent: Enhances paper surface strength, ink absorption and anti-blur performance.

2. Construction & Ceramics

Tile adhesive, gypsum plaster, self-leveling mortar: Retains water to guarantee full hydration of cement/gypsum, prolongs operable time and avoids surface cracking.

Ceramic glaze suspending agent: Stabilizes ceramic powder, prevents glaze precipitation during firing for uniform glaze layer.

3. Oil & Gas Drilling (Industrial high-viscosity CMC)

Used in water-based drilling/completion fluids: Acts as viscosifier and filtrate reducer, reduces water loss into rock formations, lubricates drill bits and stabilizes well walls to prevent collapse.

4. Food Industry

The most well-known application as permitted food additive E466:

Dairy & beverages: Stabilizes yogurt, fruit juice, milk drinks to prevent protein stratification and sediment; improves smooth mouthfeel.

Frozen desserts: Restrains large ice crystal formation in ice cream, sorbet for creamy texture.

Bakery & gluten-free food: Retains moisture, boosts dough elasticity, extends soft shelf life of bread, cakes; replaces gluten in gluten-free products.

Sauces, jams & dressings: Thickens fillings, inhibits sugar crystallization, maintains uniform suspension of pulp and oil droplets.

Edible coating: Forms thin protective film on fruits and vegetables to slow water loss and oxidation.

5. Home Care and Personal Care

Laundry detergent: Core anti-redeposition agent; wraps dirt particles to stop them re-sticking to clean fabrics, improves stain removal.

Liquid soap, shampoo, body wash: Adjusts viscosity, stabilizes foam, softens skin feel.

Dishwashing liquid: Enhances suspension of food residue and improves product appearance.

6. Pharmaceutical Industry

Tablet excipient: Binder for granulation, disintegrant and sustained-release matrix material.

Liquid medicines: Suspending agent for oral syrups, thickener for topical ointments and eye drops.

Wound dressings: Forms absorbent hydrogel film to retain wound moisture and promote healing.

7. Textile Printing & Dyeing

Sizing agent for yarns to increase tensile strength and reduce breakage during weaving; thickener for textile printing paste to fix color patterns evenly without bleeding.

8. Other Fields

Water treatment flocculant, water-based adhesive, pesticide suspension concentrate, cosmetic creams and masks.

Available Grade

CMC for Paint:

Product grade	Viscosity Range (Brookfield LV 1% Dry,25°C) (mPa.s)	Water	Purity	Speciality	Application	Technical Data Sheet
Goodcel CMP 2C	2500~3000	≤10%	≥98 %	Medium Viscosity	Latex paints, Paste putty	Download TDS
Goodcel CMP 3C	3000~3700	≤10%	≥98 %	Medium Viscosity	Latex paints, Paste putty	Download TDS
Goodcel CMP 4C	3,800-4,500	≤10%	≥98 %	High Viscosity	Latex paints, Paste putty	Download TDS
Note: Customized Grade is available according to request.

CMC for Personal Care:

Product grade	Viscosity Range (Brookfield LV 1% Dry,25°C) (mPa.s)	Degree of Substitution (D.S)	Purity	Speciality	Application	Technical Data Sheet
Goodcel CMT09	1000~1300	≥0.9	≥99	High thxotropy	Toothpaste	Download TDS
Goodcel CMT10	1000~1300	≥1.00	≥99	Stable performance	Toothpaste	Download TDS
Goodcel CMT12	1000~1300	≥1.15	≥99	High Transparancy	Toothpaste	Download TDS
Note: Customized Grade is available according to request.

CMC for Food:

Product grade	Viscosity Range (Brookfield LV 1% Dry,25°C) (mPa.s)	Degree of Substitution (D.S)	Purity	Heavy Metal (Pb) (mg/kg)	Application	Technical Data Sheet
Goodcel CMF20	25-50, 2%	≥0.7	≥99.5%	≤15	Juice	Download TDS
Goodcel CMF100	70-150, 2%	≥0.7	≥99.5%	≤15	Yogurt	Download TDS
Goodcel CMF300	200-500	≥0.7	≥99.5%	≤15	Juice	Download TDS
Goodcel CMF1000	800-1200	≥0.7	≥99.5%	≤15	Ice Cream Juice, Instant Noodle	Download TDS
Goodcel CMF2000	2000-3000	≥0.7	≥99.5%	≤15	Ice Cream, Bakery, Soft Drinking	Download TDS
Goodcel CMF3000	3000-4000	≥0.7	≥99.5%	≤15	Bakery etc	Download TDS
Goodcel CMF4000	4000-5000	≥0.7	≥99.5%	≤15	Bakery, Meat etc	Download TDS
Goodcel CMF5000	5000-6000	≥0.7	≥99.5%	≤15	Bakery, Meat etc	Download TDS
Goodcel CMF10000	10000min	≥0.7	≥99.5%	≤15	Meat,animal feed,etc.	Download TDS
Note: Customized Grade is available according to request.

Please contact us for more details

What We Can Supply

Strict QC System Ensure Stable Performance Of Chemical Additives

Goodyear Chemtech operates a comprehensive ISO 9001:2015 quality management system that covers the entire production workflow. We implement strict quality control from raw materials, semifinished product, finished product. Automated production line reduce human error. Each product is associated with production time & batch records, and samples are retained to achieve 100% traceability.

Every batch undergoes rigorous testing for key specifications including ash content, adhesion strength, water retention, to meet the requirements for applications such as skimcoat, wall putty, tile adhesives, self-leveling compounds, and gypsum plasters etc. Our full-chain quality control mechanism consistently delivers stable batch-to-batch quality for construction material additives.

Supply High Value-Added Chemical Additives.

Goodyear Chemtech focuses on the research and development of special functional products. Through the continuous launch of innovative new products, we have built strong expertise in supplying high value-added chemical additives to global partners. Our chemical additives help end-users reduce production costs and develop cost-effective finished products, while consistently maintaining high-level product performance. We continue to optimize our product portfolio and technical services to meet the increasingly complex market demands from various industries.

Professional Packaging and In-Time Delivery

Goodyear Chemtech adheres to stringent standards for packaging management, which has allowed us to accumulate extensive experience in meeting the diverse requirements of global clients. We are capable of providing customized packaging and palletizing solutions tailored to different shipping and logistics needs. Backed by our high production capacity, we can smoothly execute planned production schedules and quickly adjust production arrangements to accommodate special circumstances. This capability guarantees on-time delivery of goods to our customers and effectively reduces risks caused by unexpected changes in orders or market conditions.