XC Polymer
XC Polymer is a high-molecular-weight, biopolymer used in water-based drilling fluids to enhance viscosity, improve carrying capacity, and stabilize rheology under a wide range of drilling conditions. It is derived from Xanthomonas campestris fermentation and is known for its exceptional shear-thinning behavior, thermal stability, and superior performance in high-solids and high-density mud systems.
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Specification
| Parameters | Test Results |
|---|---|
| Grade | API Grade |
| Appearance | Of white or light yellow free flow powder |
| Through 80 mesh % | 99.2 |
| Loss on drying % | 7.8 |
| pH (1% XC solution) | 7.4 |
| Ash % | 11.8 |
| Shearing Ratio | 7.8 |
| Viscosity (1% XC in 1% kcl solution, cps) | 1430 |
| Starch qualitative determination | Absent |
| Guar Qualitative determination | Absent |
| Rheology Test 0.285% XC in sea water solution | |
|
600 rpm mPa.s 600 rpm mPa.s 200 rpm mPa.s 100 rpm mPa.s 6 rpm mPa.s 3 rpm mPa.s |
95 72 61 48 21.8 19.5 |
| Brookfield LV 1.5 r/min (mPa.s) | 3090 |
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