• Medium Temperature Retarder  R31L/S
  • Medium Temperature Retarder  R31L/S

Medium Temperature Retarder R31L/S

TypeR31L

AppearanceColorless liquid

Density (g/cm3)1.10±0.05

In Stock

Description

General
R31L/S is a kind of organic retarding agent, mainly applicable to retarding cement slurry thickening time when cementing medium and deep wells. It has good retarding effect and not sensitive to water. Thickening time and excess has linear monotonic relationship. It has slight effect on set cement strength and good compatibility.
Physical and Chemical Data

Type

Appearance

Residue through a 40-mesh screen (%)

Density (g/cm3)

PH value

Freezing point (℃)

R31L

Colorless liquid

1.10±0.05

2-3

-5 or -20

R31S

GrayLinen solid powder

≤8%

1.90±0.10

Application Scope
R31 is applied to the temperature range of 50-90℃ (BHCT). It has no requirement of prepared water.
The addition of R31L is normally 0.1-0.6% (BWOC). The addition of R31S is normally 0.3-2.0% (BWOC). R31S can be wet blended.
Packaging
R31L is packaged in 25Kg plastic barrel. R31S is packaged with 25Kg kraft paper bag.
Storing and Using
R31L/S should be stored in a ventilated, cool and dry warehouse to prevent from sunshine and rain. Environmental temperature should be 0-35℃.
Quality guarantee period for R31L is 24 months. The products should be re-tested after this period.

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