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Cement Strength Improver

Brief Introduction:

chemically active strength enhancer for low density slurries, designed based on particle size distribution theory

PZW-A is a chemically active strength enhancer for low density slurries, designed based on particle size distribution theory. PZW-A can improve compressive strength, reduce free fluid and cement permeability. Low density slurries from 1.20-1.80 g/cm3 can be achieved with PZW-A, microsphere, and oil well cement. It has no special request for water quality.

ITEM

SPECIFICATION

Slurry density, g/cm3

1.51±0.03

Initial consistency, Bc

≤30

Thickening time ((70℃, 30MPa), min

≥60

Compressive strength (70℃, atm, 24h), MPa

≥20.0

Free fluid, %

≤0.2

Slurry compositon: Class G cement (HSR): 320g, PZW-A: 180g (dry blended), microsphere: 100g (dry blended), CF40S: 4.2g (dry blended), Distilled water: 284g, G603: 0.4g.

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