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Welan gum in cementing additive
Source：Release time：2017-01-13 10:45:00
Welan gum in cementing additive
Our research and development projects always meet the needs of customers in the direction of research under the efficient operation of the organization, scientific rigorous internal mechanisms. Customer’s demand is the goal of our R&D work, it is our responsibility to meet customer needs.
1. property:
1)high viscosity under low rotation
2) high viscosity under low concentration
3 fine moisture retention
4)peculiar stability under high salinity
5)high temperature resistance
2.grade
1). oil drilling grade(petroleum grade) xanthan gum.
2). special grade
3. specifications:
| Appearance: | white to cream color powder | |
| Odor | mild | |
| pH: | 7.0-9.0 | |
| Bulk density: | 26.25 lbs./ ft3 (500-700kg/m3) | |
| Specific Gravity: | 1.45 | |
| Particle Size: | 90% pass 80 mesh | |
| Viscosity | 0.66% in Dl water by Fann 35 at 70ºF |
0.66% in Dl water by Fann 35 with 1.0 spring at 185ºF |
| 300rpm | 39-49 | 37-47 |
| 200rpm | 33-43 | 32-42 |
| 100rpm | 29-37 | 28-35 |
| 6rpm | > 17 | > 17 |
| 3rpm | > 16 | > 16 |