SPECIFICATION FOR PHPA (HIGH TEMPERATURE)

1. Physical State : The material will be in the form of free flowing powder, free from lumps and visible impurities
2. Moisture Content at 105±2℃， percent by mass : 7.0(Maximum)
3. Ionic Character : Anionic
4. Relative Dispersibility of Bentonite Pellets in 0.2%(w/v) Polymer Solution at 60±5℃ with respect to Distilled Water : 175(Maximum)
5. Degree of Hydrolysis, as Determined by Electrometric Titration, percent by mass : 20.0 to 40.0
6. Apparent Viscosity, of 0.2%(w/v) Polymer Solution in Distilled Water Using a Fann VG Meter or Equivalent,cP:
     (i) At 24±2℃ : 9 (Minimum)
     (ii) After aging at 110±2℃ for 18 Hours : would not be less than 80% of the value obtained at 6(i)
7. Effect on 4 cP Bentonite Suspension at 0.2%(w/v) Polymer Concentration :
     (i) Apparent Viscosity at 24±2℃ And ph 9.0,cP : 15(minimum)
     (ii) Apparent Viscosity after aging At 140±2℃ for 24 hours, cP : would not be less than 80% of the value obtained at 7(i).
8. Calcium Tolerance Test:
     (i) Apparent Viscosity of 0.4% : TO be determined (w/v) Polymer Solution in Distilled Water, cP
 

     (ii) Apparent Viscosity of 0.4% (w/v) Polymer Solution in Distilled Water in presence of 100 ppm ca++，cP : would not be less than 60% of the value obtained at 8 (i)WeChat and WhatsApp 13553089896 Tel:86-532 85790272

SPECIFICATION FOR PHPA (LOW TEMPERATURE)

1. Physical State : The material will be in the form of free flowing powder, free from lumps and visible impurities
2. Moisture Content at 105±2℃，percent by mass : 7.0(Maximum)
3. Ionic Character : Anionic
4. Relative Dispersibility of bentonite Pellets in 0.2%(w/v) Polymer Solution at 60±5℃ with respect to Distilled
    Water : 175(Maximum)
5. Degree of Hydrolysis, as Determined by Electrometric Titration, percent by mass : 20.0 to 40.0
6. Apparent Viscosity, of 0.2%(w/v) Polymer Solution in Distilled Water Using a Fann VG Meter or Equivalent,cP:
    (i) At 24±2℃ : 9 (Minimum)
    (ii) After aging at 110±2℃ for 18
    Hours : would not be less than 80% of the value obtained at 6(i)
7. Effect on 4 cP Bentonite Suspension at o.2%(w/v) Polymer Concentration :
     (i) Apparent Viscosity at 24±2℃ : 15(minimum) And ph 9.0,cP
     (ii) Apparent Viscosity after aging At 110±2℃ for 24 hours, cP : would not be less than 80% of the value obtained at 7(i).
8. Calcium Tolerance Test:
    (i) Apparent Viscosity of 0.4% : TO be determined (w/v) Polymer in Distilled Water, cP
    (ii) Apparent Viscosity of 0.4% (w/v) Polymer Solution in Distilled Water in presence of 100 ppm ca++，cP : would not be less than 60% of the value obtained at 8 (i)