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General introduction

Water dispersible and cationic agent emulsified asphalt SFT-I is obtained after asphalt is sulfonated ,cationic agent is modified and then get them emulsified . It has the characteristics of small common dosage,excellent anti-caving effect,high temperature resistance, highly efficient filtration loss lowering effect.

Property Index

 Items

Index 

Appearance

Dark free flowing powder

pH

8.0~12.0

Moisture ,%

≤12.0

HTHP,mL/30min

≤25.0

Relative expansion rate of reduction,%

≥35.0

Foaming rate ,%

≤10.0

Features

1. It has excellent anti-caving effect and can keep borehole regular.

2. Improve mud cake quality and lower filtration loss.

3. Enhance the ratio of yield value to plastic viscosity, effectively improve the ability of cuttings carrying, achieving the best effect of borehole cleaning.

4. Good high temperature resistance ,suitable in deep and ultra deep well.

5. Good compatibility with polymer drilling fluid system.

6. Improve lubricity of mud cake .

7. Common dosage is 1-3%.

Notes

Stored in a dry and ventilated place and kept off rain and sun.

Package

It is packed in complex kraft paper sacks (three-in-one) with waterproof plastics as lining.(Net weight 25kg per sack).