Nourisi® Welan Gum is a high-performance microbial polysaccharide engineered to deliver exceptional rheological control in demanding oilfield and industrial applications. Valued for its outstanding thermal stability, exceptional salt tolerance, and superior suspension capabilities, it has become the preferred solution for operations requiring stable viscosity under extreme downhole conditions and challenging industrial processing environments. The product demonstrates consistent performance in high-salinity brines, cement slurries, and fracturing fluids while maintaining optimal fluid-loss control and suspension stability.

Nourisi ®Welan gum Industrial grade
Nourisi ®Welan gum Oil drilling grade
| Items | Specification |
|---|---|
| E No. | E418 |
| CAS No. | 96949-22-3 |
| Aspect, Flavor | Cream to light tan colored free-flowing powder |
| Particle size | Min. 95% through 80 mesh (or customized per request) |
| Viscosity | 1% solution in deionized water: ≥1500 mPa·s (Brookfield, 25°C) |
| Loss on drying | Not more than 15.0% |
| pH | 6.5 - 8.0 (1% aqueous solution) |
Drilling & Completion Fluids (delivering reliable viscosity and suspension in high-temperature high-salinity environments), Well Cementing (enhancing slurry stability and fluid-loss control under extreme downhole conditions)
Cement Mortars & Grouts (improving water retention and preventing segregation), Self-Leveling Compounds (ensuring uniform flow characteristics and reduced sedimentation)
Glaze Formulations (providing consistent rheology and preventing solid settlement), Slip Casting (maintaining uniform suspension in ceramic slurry systems)
Water-Based Paints (controlling flow properties and pigment distribution), Functional Coatings (adjusting leveling characteristics and preventing sagging)
Exceptional Thermal Stability: Maintains stable rheological properties across extreme temperature ranges, ensuring reliable performance in high-temperature industrial processes and variable storage conditions
Outstanding Salt Tolerance: Demonstrates consistent viscosity and stability in high-ionicity environments where conventional thickeners fail, maintaining functionality in brine-based systems and chemical solutions
Superior Suspension Capability: Establishes robust three-dimensional networks that effectively suspend solid particles, fillers and functional additives in construction slurries, ceramic coatings and industrial compounds
Pseudoplastic Rheology: Exhibits distinct shear-thinning behavior that enables easy mixing and application while providing immediate viscosity recovery for optimal stand-up in vertical applications
Nourisi® Industrial-Grade Welan Gum complies with international industrial standards and technical specifications for non-food applications. While this product is manufactured under ISO 9001 quality management systems with full batch traceability, we recommend that clients verify its suitability for specific operational requirements and ensure compliance with all local environmental protection and industrial safety regulations in their operating regions.
Nourisi Group, as the leading manufacturer and supplier of Xanthan Gum for almost 20 years’ experience since 2006, committed to innovation and continuous improvement, and growing together with our customers globally.
Our R&D team brings deep expertise in food science, nutrition, biology, and chemistry, backed by collaborations with leading university research labs in China. This ensures our solutions are at the forefront of scientific advancement, tailored to meet your unique project needs.
We host regular seminars with industry-leading manufacturers and customers, fostering insights into product applications, market trends, and emerging technologies. This collaborative approach keeps you ahead in the dynamic food ingredients landscape.
Your success is our priority. We build long-term relationships through rigorous customer requirement evaluation, transparent communication, and proactive corrective actions. Our focus on quality and reliability is validated by internal and third-party audits.
Beyond plant-based ingredients, we offer an extended product range designed to simplify your supply chain. Our "one-stop shop" model reduces costs and enhances efficiency, empowering you to focus on innovation.
From nature to Nourisi ingredients is what we stand for, Nourisi’s products are manufactured by fermentation, a technology based on the ability of micro-organisms to transform renewable raw material into useful and healthy products.
Quality and sustainability are non-negotiable. We invest relentlessly in production upgrades, R&D, and regulatory compliance to ensure our products meet global standards. Every step of our process reflects our dedication to excellence.