Welan Gum

Vis-HG

Oil and Gas Field, Construction and Industrial Applications

Welan Gum is a water-soluble anionic polysaccharide synthesized by the fermentation of carbohydrates. It composed of a polymer of tetrasaccharide backbone chain containing l-mannose, l-rhamnose, d-glucose, and d-glucuronic acid.

 

CAS No.: 96949-22-3

Function: Thickener, Suspension Agent, Binder, Emulsifier, Stabilizer and Viscosity Agent              

Package: 25 kg bag, 50 lb bag or customization.

Grade

Description

Vis-WL04

Standard tech grade Welan Gum

Vis-WL05

Tech grade Welan Gum with high temperature resistance

Vis-WL09H

Tech grade Welan Gum with extra high temperature resistance

Vis-WL09H-R2

Tech grade Welan Gum with extra alkaline resistance

Vis-WL35

Tech grade Welan Gum with extra low viscosity

 

Talk to us for more detailed specifications and samples.

Welan gum is an excellent thickener and stabilizer, with high viscosity, pseudoplasticity, thermal stability and compatibility under low shear. 

Applications

Functions

Oil and Gas field

Acts as a critical spacer fluid component; 

Provides performance of viscosity enhancement and friction pressure reduction, stabilization for hydraulic fracturing, wellbore cleanup, cementing, and drilling;

Functions as a high-temperature resistant polymeric thickening agent in the secondary and tertiary oil recovery process.

Construction

In concrete or mortar compositions, it plays a critical use to reduce fluid loss, to increase the suspension properties. It significantly improves the fluidity of concrete mixtures, increases cohesion, reduces the tendency of bleeding and segregation, and has little effect on mechanical properties and durability of concrete.

In dry powder mortar, it replaces traditional thickening products such as cellulose ether, providing thickening and thixotropy performance, at low dosage.

Along with superplasticizer, it also acts as a liquefied viscosity agent.

Other Industrial Applications

Acts as a thickener, suspension agent, binder, emulsifier, stabilizer, and viscosity agent.

* The above information is for reference only, the prospective user is responsible for determining whether the products are appropriate for your use, and for ensuring that your usage and workplace practice are in compliance with applicable laws and regulations.

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