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GlucoSol® 620 is a new entry in the Chemstar water-soluble product line. It is a highly substituted natural polysaccharide designed to impart enhanced functional properties including: solution stability, salt tolerance, surface activity, water retention, improved rheology and viscosity. GlucoSol® 620 offers a unique alternative to competitive natural and synthetic water-soluble polymers

Chemical Family: Polysaccharides

End Uses: Waterborne Adhesive

Features: Excellent Stability, Improved Rheology, Improved Water Retention, Improved Workability, Salt Resistance

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Knowde Enhanced TDS

Identification & Functionality

Chemical Family

Features & Benefits

Advantages

• Rheology modification
• Thickening
• Water retention
• Anti-sag
• Bond/Adhesion
• Open time/ Working time
• Enhanced workability, slip
• Decrease stickiness
• Crack Resistance
• Surface Hardness
• Extended Coverage

Applications & Uses

Application Method
Adhesive & Sealant Type
Main Applications

• Joint Compounds
• Spray Textures
• Plasters

Properties

Physical Form
Appearance
GlucoSol 620 is an off-white powder. Aqueous solutions are translucent and demonstrate excellent stability
Typical Properties
ValueUnitsTest Method / Conditions
Viscosity (6% Solids LVT, 60 RPM, #4 Spindle)4000 – 7000cp
Moisture Contentmax. 12%
Bulk Density30 – 40lb/ft3
Particle Size (105 micron)min. 95%
Spray Texture0.10 – 0.50

Technical Details & Test Data

Test Data

 

Effect of Solids Concentration on ViscosityGlucoSol® 620 - Test Data

 

Solution Preparation

GlucoSol 620 is easy to disperse and solubilize in water with minimal agitation. Agitation should be maintained for a period of about 30 minutes to ensure complete hydration of the polymer. The time and amount of agitation required will vary with solids concentration of the polymer. High solids and cold water make-up may necessitate longer mix times.

Effects of Shear on Viscosity

GlucoSol® 620 - Test Data - 1Effect of Temperature on Viscosity

GlucoSol® 620 - Test Data - 2Solution Preservation

The chemical substitution of GlucoSol 620 provides enhanced solution biostability. Extended storage could result in viscosity reduction due to microbial or enzymatic attack. Stored solutions should be protected by the use of a preservative. GlucoSol 620 is also available with a preservative treatment. Unique

Hydration

GlucoSol 620 exhibits a distinct hydration profile to allow the individual particles to briefly wet-out prior to rapid hydration of the polymer. This feature eliminates the formation of gel agglomerates typical of other watersoluble polymers.

GlucoSol® 620 - Test Data - 3Thixotropy

Solutions of GlucoSol 620 exhibit near pseudoplastic behavior. Viscosity decreases with increasing shear and when the shear is removed the original viscosity is immediately recovered. Thixotropic solutions regain their original viscosity with a time element

GlucoSol® 620 - Test Data - 4​​​​​​​

Packaging & Availability

Packaging Type
Availability

GlucoSol 620 is available in 50 lb. multi-wall poly-lined paperbags or 2000 lb supersacks for truckload and LTL shipments

Storage & Handling

Storage And Handling

GlucoSol 620 exhibits excellent storage stability if kept dry in its original package. Shelf life can be affected by storage conditions such as temperature, humidity, and overall surroundings of the storage area.