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hydroxypropyl guar gum for drilling
1. Hydroxypropyl guar gum for drilling
2. CAS Number: 39421-75-5
3. Applications
As a nonionic polymeric viscosifier derived from natural Guar bean, HPG-I is of suitable substitution level,
good aqua-dissolvability / dispersibility, and high compatibility with anionic,
cationic and nonionic surfactant. With its good electrolyte tolerance, viscosity stability and good shear dilutability, HPG-I can be used in fracture fluids and drilling mud in oil field industry.
Fracture fluids are for the purpose to improve drill productivity and made by mixing HPG-I with water, cross-linker, polymerizing agent, and proppant.
The normal level of use in fracture fluids is 0.3-0.5% by weight.
HPG-I polymer can also be used in low-solids drilling fluids as a viscosifier and fluid-loss additive.
It will develop viscosity in both water and brine.
4. Specifications
Appearance Off white to pale yellow powder
Moisture 10% Max
Particle Size through US 120 mesh 99% Min
through US 200 mesh 90% Min
Viscosity (30°C, 0.48% solution, 511s-1) 28 mPa.s Min
pH Value 6.5 ~ 7.5
Hydroxypropyl MS 0.20 Min
5. Packing
25Kg net weight, multiwall bag lined with PE bag. Seaworthy packing.
Kept in dry and cool places
hydroxypropyl guar gum for drilling
