Carboxymethyl Starch Construction Grade
Unionchem
Product Description
Carboxymethyl Starch (CMS) Construction Grade from Qingdao Unionchem Co., Ltd. is a high-efficiency, water-soluble modified starch specifically engineered for the construction industry. Used as a multifunctional additive, our CMS enhances water retention, thickening, and workability in cement-based and gypsum-based construction materials. It is ideal for dry-mix mortars, tile adhesives, plasters, wall putty, and other building products. Produced under strict ISO-certified quality control, Unionchem CMS ensures consistent performance and reliable quality for global construction material manufacturers.
Excellent Water Retention
Prevents rapid water loss, improves curing, bonding, and open time in mortars and plasters.
Superior Thickening & Workability
Enhances viscosity, anti-sagging, and spreadability for smooth and efficient application.
Improved Adhesion & Strength
Promotes better bonding of construction materials to various substrates.
High Compatibility
Works well with cement, gypsum, lime, and other common construction chemicals.
Easy to Use
Fully soluble in cold water, easy to blend and process in dry-mix formulations.
Eco-Friendly & Safe
Derived from renewable plant sources, biodegradable, and safe for workers and the environment.
Over 15 years of modified starch manufacturing expertise
ISO-certified production and strict quality control
Customizable grades for different construction applications
Professional technical support and formulation guidance
Fast global shipping and flexible packaging solutions
Free samples and comprehensive technical documentation
FAQ
Q1: What are the main applications of Carboxymethyl Starch Construction Grade?
A1: CMS is used in tile adhesives, cement mortars, plasters, wall putty, and other dry-mix construction materials to improve water retention, thickening, and workability.
Q2: How does CMS improve construction material performance?
A2: CMS enhances water retention, prevents premature drying, improves workability, and increases adhesion and strength of the final product.
Q3: Is Unionchem CMS compatible with other additives?
A3: Yes, it is compatible with most commonly used construction additives such as HPMC, redispersible polymer powder, and defoamers.
Q4: How should CMS be added during production?
A4: CMS can be dry-blended with other powder ingredients or pre-dissolved in water for wet-mix processes. Detailed technical instructions are available.
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 Construction 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 (various grades) |
| Solubility | Fully soluble in cold water |
| Ash Content (%) | ≤ 8 |
| Certification | ISO, Construction Grade |
Detailed COA and technical documents available upon request.
Application Cases
1.Tile Adhesives
Improves water retention, open time, and anti-sagging for easy and efficient tile installation.
2.Cement Mortars & Plasters
Enhances workability, spreadability, and bonding strength in rendering and plastering.
3.Wall Putty & Skim Coats
Increases smoothness, crack resistance, and application performance for interior and exterior walls.
4.Self-Leveling Compounds
Provides stable viscosity and flow for high-quality self-leveling flooring systems.
5.Gypsum-Based Products
Improves consistency, water retention, and surface finish in gypsum plasters and fillers.
Call to Action
Looking for a reliable supplier of Carboxymethyl Starch Construction Grade?
Contact Qingdao Unionchem today for free samples, technical support, and competitive pricing!
[Email: sales@unionchem.com.cn]
[Contact Form]
[WhatsApp/WeChat: +86-13953383796]
