Biopolymer DG-P is a rapidly dispersible high viscosity, rapid hydrating, water soluble biopolymer produced by fermentation for use in gypsum and hydraulic cementitious systems, as a viscosity modifying agent (VMA) specifically used where super pseudplasticity characteristics are required such as cementitous materials and oil/gas drilling.
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Biopolymer DG-P was developed specifically for use with cementitious materials and the newest class of superplasticizers. It enables formulators and designers to improve the performance of hardened materials by controlling flow, segregation, sedimentation and bleed. In addition, diutan develops a higher degree of pseudoplasticity, greater low shear rate viscosity (LSRV), and improved viscosity retention at elevated temperatures when compared to traditional polymeric rheology modifiers used in drilling, workover or completion fluids.
DG-P is a viscosity modifying agent (VMA) specifically used where super pseudplasticity characteristics are required such as cementitous materials and oil & gas drilling.
Particle Size (mesh)
Loss On Drying (%)
Viscosity (1% KCL, cps)
Viscosity (0.5% sol.)
PH (1% sol.)
100% thus US 20 Screen
Application and Advantages
DG-P Biopolymer is a fine mesh, rapid hydrating, water soluble biopolymer produced by fermentation for use in gypsum and hydraulic cementitious systems, as a Viscosity Modifying Agent (VMA).
Ø Imparts high solution viscosity at low gum concentrations
Ø Has pseudoplastic rheology profile (e.g., is shear thinning) providing:
l low viscosity at high shear rates ( Easy to pump & place )
l high viscosity at low shear rates ( Provides superb particle suspension)
Ø Exhibits little solution viscosity change over a wide temperature range.
Ø Provides excellent suspension and emulsion stability at lower viscosities.
Ø Improved pumping, placement and workability.
Ø Controls Bleed.
Ø Is stable under high-shear.
Ø Exhibits low viscosity while processing (e.g., pumping and spraying).
Ø Provides excellent water retention.
Ø Improves shelf life stability of high pH products.
Ø Homogeneous placement and curing of aggregate, sand, pigment and past.
l Improved surface properties and durability
l Uniform strength
l Improves pigment efficiency and provides consistent color quality
Ø Bleed control improves quality, and may reduce labor finishing costs.
Ø Reduces impact of raw material variability on costs and quality.
l Reduces impact of moisture in sand and aggregate
l Reduces impact of gap graded sand and aggregate
Ø Stabilizes highly fluid mix designs for Gypsum Systems, Self Compacting Concrete and
Underwater Concrete Systems.
Ø Gypsum floor screeds
Ø Self Compacting Concrete (SCC)
Ø Injection & post tension grouts
Ø Pigmented concrete & gypsum systems
Ø Self Leveling Underlayments (SLU)
Ø Underwater concrete (anti-washout)
Ø Pervious concrete
DG-P Biopolymer is typically used at a level of 0.01 - 0.15 wt% basis weight of water.
The dissolution of the product depends on the medium and the process: it is improved by heat-treatment (time, temperature), shear-stress (propeller, exchanger, homogenizer). A complete dissolution can be obtained in cold conditions.
Packaging & Storage
Diutan gum DG-P is packaged in 50lb or 55lb plastic lined 4-layer paper bags and shipped via an approved common carrier. DOT classification – Non Hazardous.
Biopolymer DG-P has a shelf life of 24 months from date of manufacture when stored in a clean dry area.
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