Hydroxypropyl Guar Gum for oil drilling
1.Hydroxypropyl Guar Gum for oil drilling 2.CAS: 39421-75-5 3.sample is available
Hydroxypropyl guar gum for oil drilling
1. CAS Number: 39421-75-5
2. Specification:
| Item | gade I | grade II |
| appearance | free flow of powder | free flow of powder |
| 0.125/0.09 screen residue | ≤1% | ≤1% |
| 0.071/0.05 screen residue | ≤10% | ≤15% |
| moisture | ≤10.0% | ≤10.0% |
| PH | 6.5-7.5 | 6.5-7.5 |
| apparent viscosity (30°C,170s,0.6%)mpa.s | ≥110 | ≥105 |
| water insolubles | ≤4.0% | ≤7.5% |
| crosslinking property | picked up by the glass rod | picked up by the glass rod |
| fluidity | good | general |
| hydroxypropyl degree of substitution | ≥0.30 | ≥0.15 |
Hydroxypropyl Guar Gum for oil drilling
