Welan Gum Viscosity-Modifying Admixtures FOR CONCRETE

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Loading Port:
China main port
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Min Order Qty:
10 kg
Supply Capability:
200 kg/month

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Product 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 .


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.


Test Item



Off-white to tan powder


Hot or cold water

Viscosity1% gum to 1% KCL Brookfield,LVT.60rpm,spring3, 25


Loss on drying                                       

 Max. 13%                  

pH (of 1% solution)


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.


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