Polyanionic Cellulose PAC
Polyanionic cellulose PAC is white or yellowish powder that is odorless and non-toxic. It is soluble in water to form thick liquid. It has good heat-stability and high resistance to salt. It is not fermented. Polyanionic cellulose (PAC) is a sodium carboxymethyl cellulose with high uniformity, high degree of substitution and high quality.PAC-HV，having the features of heavy molecular weight and，Can better control the flowing characteristics of mud.With the characteristics of light molecular weight and thick molecular intensity.PAC-LV contributes to expand the osculating surface with substance．Therefore,PAC-LV possesses the superiorities of water duty maintaining,acid resistance,temperature resistance and etc．
Usage:The product is used as an additive for drilling mud, especially used in drilling at the salt-rich aera or under the sea.
Package:
Packing The inner layer is polyethylene film bag. The outer layer is plastic woven bag or composite plastic woven bag. Net weight is 25kg per bag.
Polyanionic Cellulose-High Viscosity（PAC-HV）
Rheological Properties:
Viscometer reading:
0.8g in 350ml deionized water ---------------------- ≥30
1.33g in 350ml 4%NaCl ---------------------- ≥30
1.0g in 350ml Saturated salt water ----------------- ≥30
Water loss resistance properties
Max. fluid loss, ml ---------------------- ≤26
Physical & Chemical index:
Viscosity(2%,NDJ-79 viscometer) ------- ≥1800cps
DS -------------------------------- ≥0.90
Purity ------------------- ≥97%
Moisture ----------------------≤10%
Particle size ---------------------- min.99% pass 30 mesh
Polyanionic Cellulose-Low Viscosity(PAC-LV)
Rheological Properties:
Viscometer reading
3.33g in 350ml 4%NaCl--------------------------- ≤30
2.22g in 350ml Saturated salt water --------------- ≤30
Water loss resistance properties:
2.0g in 350ml 4%NaCl --------------------------- ≤5
4.0g in 350ml Saturated salt water ---------------- ≤5
Physical & Chemical index:
Viscosity(2%,NDJ-79 viscometer)----------------- 80-120cps
DS ------------------------------------------------ ≥0.95
Purity, % ------------------------------------------ ≥97
Moisture, % --------------------------------------- ≤10
Particle size -------------------------------- min.99% pass 30 mesh
