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A mixture based on finely dispersed metals with additive modifiers.
Application: in oil industry, in technological processes of well cementing in order to improve bond of casings and bond at the border «rock – set cement» and «set cement – casing» due to creation of internal pressure in the cement slurry.
Recommended consumption: in case of use ATREN EXPAN D is added to dry cement mixture in the concentration up to 0.2% (depending on application conditions) with respect to dry cement mass.
|The name of indicators||Normative value|
|Appearance at 20 °С||Powdery grey silver substance|
|Bulk density, g/cm³||1,50–1,80|
|Moisture content, %, not more than||0,8|