Loading Port:China main port
Payment Terms:TT OR LC
Min Order Qty:1000 kg
Supply Capability:500000 kg/month
Welan Gum
Description
Welan gum is a specialty fermentation polysaccharide produced by fermentation of Sphingomonas sp.A key feature of this novel, water-soluble polysaccharide is its excellent stability and viscosity retention at temperatures up to 150°C .
Applications
Industry grade welan gum is mainly used in construction and oil exploitation as a thickening agent. It’s a good feel forming agent improve solid of construction.
Properties
Test Item | Specifications |
Appearance | Off-white to tan powder |
Solubility | Hot or cold water |
Viscosity1% gum to 1% KCL Brookfield,LVT.60rpm,spring3, 25℃ | ≥1500mPa.s |
Loss on drying | Max. 13% |
pH (of 1% solution) | 5.0-9.5 |
Particle size | 95% through 80 mesh |
Shelf life | 2 year after production date under the specific storage condition |
Features and Benefits
Anionic polysaccharide.
Excellent thermal stability.
Highly pseudoplastic solutions.
Retention of viscosity at elevated temperatures.
Stable over a wide range of pH and temperature.
Compatible with high calcium environments.
Stabilizes suspensions, emulsions und foams.
Packaging, and storage
1.Multiwall paper bag, 20kg per bag.18MT in 20’FCL without pallets.
2.Store under cool and dry condition.
