Product Data Sheet
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Sika® Plastiment® XR

WATER REDUCING AND RETARDING ADMIXTURE

Sika® Plastiment® XR is a water-reducing and retarding admixture. Sika® Plastiment® XR meets the requirements of ASTM C-494 and AASHTO M194 as Types B and D admixture.

  • Reduces the rate of hydration of cement and controls concrete temperature.
  • Improves slump retention and retards set time of concrete.
  • Provides sufficient time for placement and finishing of concrete without cold joints in hot weather conditions.
  • In flatwork applications, Sika® Plastiment® XR acts as a finishing aid, improves workability, controls bleeding and provides a superior surface finish.
  • In mass concrete pours, Sika® Plastiment® XR controls temperature rise and reduces the risk of thermal cracking.
  • Improves compressive strength, flexural strength and durability by controlling the cement hydration reaction.
  • Improves homogeneity in the mix and reduces chances of segregation.
    Refer to ACI 305R Hot Weather Concreting for more information. Sika® Plastiment® XR is non-chloride based and does not contain any intentionally added chlorides.
Product Data Sheet
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Usage

Sika® Plastiment® XR should be used in concrete when a controlled delay in set time or increase in slump retention of concrete is desired. Sika® Plastiment® XR can be added to concrete used for several applications including - flatwork, horizontal or vertical slipform placements and other applications. Use of Sika® Plastiment® XR provides a superior surface finish in both formed and finished concrete.  

Advantages

  • Reduces the rate of hydration of cement and controls concrete temperature.
  • Improves slump retention and retards set time of concrete.
  • Provides sufficient time for placement and finishing of concrete without cold joints in hot weather conditions.
  • In flatwork applications, Sika® Plastiment® XR acts as a finishing aid, improves workability, controls bleeding and provides a superior surface finish.
  • In mass concrete pours, Sika® Plastiment® XR controls temperature rise and reduces the risk of thermal cracking.
  • Improves compressive strength, flexural strength and durability by controlling the cement hydration reaction.
  • Improves homogeneity in the mix and reduces chances of segregation.
    Refer to ACI 305R Hot Weather Concreting for more information. Sika® Plastiment® XR is non-chloride based and does not contain any intentionally added chlorides.

Packaging

Sika® Plastiment® XR is available in 55 gallon drums (208 liters), 275 gallon totes (1040 liters) and bulk delivery.

Color

Light Yellow to Light Brown Liquid

Product Details

Product Information

Shelf Life

Shelf life when stored in dry warehouse conditions between 40 °F and 80 °F (5–27 °C) is one year.

Storage Conditions

Sika® Plastiment® XR should be stored at above 40 °F (5 °C). If frozen, thaw and agitate thoroughly to return to normal state.

Specific gravity

Approx. 1.08

 

Application

Application Information

Mixing

Add Sika® Plastiment® XR at the concrete plant. Measure required quantity manually or by automated dispenser. Add into the water line at the batch plant or directly into the concrete at the end of the mixing cycle. Do not mix with dry cement.

Combination with Other Admixtures: Sika® Plastiment® XR is compatible with other Sika admixtures. When used in combination with other admixtures, each admixture should be added to the concrete separately.
Consumption

Recommended Dosage

For general concrete applications, Sika recommends a dosage rate of 2-5 fl.oz / 100 (130-326 ml / 100 kg) of cementitious materials. Dosage rates will vary depending on factors such as materials used, concrete temperature, ambient temperature and specific requirements of the project. Exact dosage required must be determined by conducting trial mixes. Dosages outside the recommended range can be used to meet specific project requirements after conducting trial mixes.

For more information please contact your local Sika representative or technical service department at 1-800-933-7452.

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