Starch or Starch Derivatives
40g/L salt water
It can effectively increase viscosity and its ommon dosage is few.
It has a strong capability of resisting salt, calcium and magnesium. And it can be applied in fresh water, seawater, saturated salt water and saltwater for completion drilling fluids；
It has a good thermal stablility;
It can match with other agents well；
It does not harm environment and match well with agents because they are not toxic.
Package and Storage
They are packaged in a triple sack with the lined bag. Each sack is 25kg. And they shall be stored in a shady and dry place with good ventilation.
They shall be avoided to touch with eyes, skin and clothes. If touched, they shall be cleaned by a great amount of clean water.