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Density Lightening for Cement Slurry—JHDR 2014/1/23 11:42:45 品/化學劑/水泥漿密度減輕劑(jhdr).jpg)
Introduction
The main materials of the agent are strengthening glass beads. By controlling temperature and time exactly, the surface of porous minerals melted at HT (over 1500℃), the pores precipitated, and then obtained hollow micro-spherical power with honeycombed inner construction .
Key Features
- with a good dispersity and fluidity;
- with super performances of less weight, no toxicity and odorless, excellent resistance to HTHP and corrosion.
Usage
It can be added into cement slurry, and the addition is 1%～3%.
Main Quality Indexes
ITEM
INDEX
grain grade (40mesh)/（ %）
≤ 10
accumulation capacity/（kg/m3）
300～450
water content/（%）
≤ 1.50
Density and Strength of Cement Slurry
water solid ratio is 0.7
density/（g/cm3）
≤1.50
compressive strength（52℃, 24h, atmosphere pressure）/（M Pa）
≥4.0
compressive strength（52℃, 48h, atmosphere pressure）/（M Pa）
≥5.5
water solid ratio is 0.6
density/（g/cm3）
≤1.60
compressive strength（52℃, 24h, atmosphere pressure）/（M Pa）
≥4.5
compressive strength（52℃, 48h, atmosphere pressure）/（M Pa）
≥6.0
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