Core products

Diutan gum DG-P

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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Description

Description:
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.



Specification

Items

Specs

Appearance

Cream-white powder

Particle   Size (mesh)

Client need

Loss   On Drying (%)

13

Ashes   (%)

13

Viscosity   (1% KCL, cps)

>1500mpa.s (3rpm)

Viscosity   (0.5% sol.)

>45,000mpa.s (0.3rpm)

PH   (1% sol.)

5.0-8.0

Shearing   Ratio

6.0

Moisture,   %

15

Mesh

100% thus US 20 Screen

Lead

3   mg/Kg

Arsenic

1   mg/Kg

Heavy   Metals

20   ppm

 

Application & Advantages

Application and Advantages

Description

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:

low viscosity at high shear rates ( Easy to pump &   place )

high viscosity at low shear rates ( Provides superb   particle suspension)

Ø    Exhibits   little solution viscosity change over a wide temperature range.
 
 

Features

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.
   
  

Benefits

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.
 
 

Typical Application

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
   
  

Typical

Use Level

DG-P Biopolymer is typically used at a   level of 0.01 - 0.15 wt% basis weight of water.

 

Package

Dissolution
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.

Shelf Life
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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+86-532-68872006