Modified Starch
Description:
Product name: Modified starch
Product code: YC-1
Role category: Modified natural polymer loss reducer
Product Classification:
Key features:
It is mainly made of modified starch. It is suitable for freshwater mud, 4% brine mud and saturated brine mud as filter loss reducer.
key feature:
The products are powdery solid with strong water solubility. It can be used with other different drilling fluids and has good compatibility.
Addition:
The recommended dosage in fresh water drilling fluid is 0.2%~0.5%, and the recommended dosage in salt water drilling fluid is 1.0%~2.0%.
| Exterior Condition: | White or light yellow powder | 40g/L saline | Viscometer 600r/min reading | ≤18.0 |
| Moisture, % | ≤12.0 | Loss on filtration, mL | ≤10.0 | |
| Sieve residue, % | -------- | saturated brine |
Viscometer 600r/min reading |
<20.0 |
| pH value | 8.0±1.0 |
Loss on filtration, mL |
≤10.0 | |
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Apparent viscosity of 1% aqueous solution, mPa-s
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