Welan Gum Construction Grade
Unionchem
Product Description
Construction Grade Welan Gum from Qingdao Unionchem Co., Ltd. is a high-performance, water-soluble biopolymer specifically engineered for the construction industry. As a superior thickener, stabilizer, and water retention agent, Welan Gum significantly improves the workability, cohesion, and durability of concrete, mortar, grout, and other cement-based materials. Our Welan Gum is produced under strict quality control, ensuring consistent performance in demanding construction environments.
Enhanced Workability & Pumpability
Improves flow, spread, and ease of application for concrete and mortar mixes.
Superior Water Retention
Reduces water evaporation, increases open time, and prevents premature drying and cracking.
Excellent Suspension & Anti-Segregation
Prevents aggregate separation, ensuring uniformity and stability in all mixtures.
High Salt & Alkali Tolerance
Maintains viscosity and performance in various cement and gypsum systems.
Eco-Friendly & Safe
Plant-based, non-toxic, and compliant with international building material standards.
Over 15 years of experience in construction chemical manufacturing
ISO-certified production, strict QC, and reliable supply
Technical support for mix optimization and field application
Fast worldwide shipping and flexible packaging
Free samples and comprehensive technical documentation
FAQ
Q1: What are the main applications of Construction Grade Welan Gum?
A1: It is used as a thickener, stabilizer, and water retention agent in concrete, mortar, grout, self-leveling compounds, and gypsum-based products.
Q2: How does Welan Gum improve concrete and mortar performance?
A2: It enhances workability, reduces cracking, improves water retention, and prevents segregation, leading to better surface finish and durability.
Q3: Is Welan Gum compatible with other construction additives?
A3: Yes, it is compatible with most cement, gypsum, and lime systems, as well as with plasticizers, retarders, and other common admixtures.
Q4: What is the recommended dosage in construction applications?
A4: Typical usage ranges from 0.02% to 0.15% by weight of dry mix, depending on the desired effect. We offer formulation guidance upon request.
Q5: Can you provide technical and safety documentation?
A5: Yes, we supply COA, MSDS, and other regulatory documents to support your procurement and project requirements.
Technical Specifications
| Parameter | Specification |
|---|---|
| Appearance | Off-white to light yellow powder |
| Viscosity (1% sol., 25°C) | ≥ 1200 mPa·s |
| pH (1% solution) | 6.0 – 8.0 |
| Loss on Drying | ≤ 13% |
| Ash Content | ≤ 13% |
| Heavy Metals | ≤ 10 ppm |
| Total Plate Count | ≤ 1000 cfu/g |
| Certification | ISO, Construction Grade |
Detailed COA and technical documents available upon request.
Application Cases
1.Concrete & Ready-Mix Concrete
Improves flow, reduces segregation, and enhances crack resistance in standard and high-performance concrete.
2.Mortar & Plaster
Increases water retention, workability, and adhesion in masonry, tile adhesives, and plastering compounds.
3.Grouting & Self-Leveling Compounds
Provides stable viscosity and prevents sedimentation for uniform filling and leveling.
4.Gypsum & Cement-Based Products
Enhances consistency, open time, and surface finish in gypsum boards and other prefabricated elements.
5.Repair Mortars & Waterproofing
Improves durability, crack resistance, and flexibility in repair and waterproofing materials.
