Carboxymethyl Starch Papermaking Grade
Unionchem
Product Description
Carboxymethyl Starch (CMS) Papermaking Grade from Qingdao Unionchem Co., Ltd. is a specially modified starch designed to meet the demanding requirements of the paper and pulp industry. Our CMS is widely used as a wet-end additive, surface sizing agent, and coating binder to improve paper strength, printability, and retention. Produced from high-quality, renewable raw materials under ISO-certified processes, Unionchem CMS ensures consistent performance and easy integration into modern papermaking systems.
Enhanced Paper Strength
Improves dry and wet tensile strength, burst, and folding endurance of paper and board.
Superior Surface Sizing
Provides excellent surface film formation, improves printability, and reduces ink penetration.
Improved Retention & Drainage
Increases retention of fines and fillers, enhances drainage, and optimizes machine runnability.
Excellent Dispersibility
Fully soluble in cold water, easy to prepare and add to papermaking systems.
Customizable Grades
Available in various viscosities and substitution levels to suit different paper grades and processes.
Eco-Friendly & Biodegradable
Derived from renewable resources, safe for the environment.
Over 15 years of modified starch manufacturing expertise
ISO-certified production and strict quality control
Customizable solutions for various paper and board applications
Professional technical support and formulation guidance
Fast global shipping and flexible packaging options
Free samples and comprehensive technical documentation
FAQ
Q1: What are the main applications of Carboxymethyl Starch Papermaking Grade?
A1: CMS Papermaking Grade is used in wet-end addition, surface sizing, and coating formulations to improve paper strength, surface quality, and printability.
Q2: How does CMS benefit papermaking?
A2: CMS enhances fiber bonding, increases paper strength, improves surface properties, and optimizes retention and drainage.
Q3: Is Unionchem CMS compatible with other papermaking additives?
A3: Yes, CMS is compatible with most common papermaking chemicals including alum, retention aids, and sizing agents.
Q4: How is CMS added to the papermaking process?
A4: CMS can be dissolved in water for wet-end addition or surface sizing, and is easily incorporated into existing process lines.
Q5: Can you provide technical and regulatory documents?
A5: Yes, we provide COA, MSDS, TDS, and offer technical support for your formulation and compliance needs.
Technical Specifications
| Parameter | Carboxymethyl Starch Papermaking Grade |
|---|---|
| Appearance | White or off-white powder |
| Degree of Substitution (DS) | 0.2–0.4 (customizable) |
| Moisture Content (%) | ≤ 10 |
| pH (1% solution) | 8.0–11.0 |
| Viscosity (2% solution, 25°C) | 200–800 mPa·s (customizable) |
| Solubility | Fully soluble in cold water |
| Ash Content (%) | ≤ 8 |
| Certification | ISO, Papermaking Grade |
Detailed COA and technical documents available upon request.
Application Cases
1.Wet-End Addition
Improves internal bonding, retention, and formation for printing and writing papers, tissue, and packaging board.
2.Surface Sizing
Enhances printability, surface strength, and water resistance for fine papers, copy paper, and specialty grades.
3.Coating Binder
Provides binding strength and smoothness in coated papers and boards.
4.Recycled Paper Processing
Improves fiber bonding and sheet strength in recycled paper and board production.
Call to Action
Looking for a reliable supplier of Carboxymethyl Starch Papermaking Grade?
Contact Qingdao Unionchem today for free samples, technical support, and competitive pricing!
[Email: sales@unionchem.com.cn]
[Contact Form]
[WhatsApp/WeChat: +86-13953383796]
