SikaControl®-75
SHRINKAGE REDUCING ADMIXTURE
SikaControl®-75 is a shrinkage-reducing admixture used to produce high-performance concrete with greatly reduced drying shrinkage.
- Greatly reduced drying shrinkage and drying shrinkage cracking
- Reduces the potential for slab curling
- Substantially improved permeability, resulting in improved concrete durability
Usage
- In situ concrete floors, to reduce shrinkage-cracking for the same joint spacing, or to increase joint spacing without increasing the risk of shrinkage cracking
- In thin bonded topping slabs, to minimize the difference in shrinkage between the new topping and the existing substrate
- In concrete elements which are restrained against shrinkage
- For durable concrete in marine environments
- For watertight concrete in reservoirs, sewage treatment plants, and dams
Advantages
- Greatly reduced drying shrinkage and drying shrinkage cracking
- Reduces the potential for slab curling
- Substantially improved permeability, resulting in improved concrete durability
Packaging
20 L (5.3 US gal.) pail
205 L (55 US gal.) drum
1040 L (275 US gal.) IBC
Bulk delivery
Colour
Liquid / Clear Orange
Product Details
ENVIRONMENTAL INFORMATION
- Conformity with LEED®v4 MR Credit (Option 1): Building Product Disclosure and Optimization – Environmental Product Declarations (Product-specific, Type III EPD)
APPROVALS / CERTIFICATES
Meets the requirements of ASTM C494, Type S
Shelf Life
1 year when stored in dry warehouse conditions at temperatures ranging between +10 °C and +27 °C (50 °F and 80 °F).
Storage Conditions
Store at temperatures above +5 °C (40 °F). If frozen, thaw and agitate thoroughly to return to normal state.
Specific Gravity
Approx. 1.0
Application
Compatibility
SikaControl®-75 is highly effective as a single admixture or in combination with other Sika® admixtures.
Mixing
Mixing / Dispensing
The required dosage of SikaControl®-75 should be added to the concrete at the batching plant, with the gauging water or poured into the concrete simultaneously with it. It may also be added in the ready-mix truck at the point of discharge, but an additional mixing time of five (5) minutes is required and the concrete should be visually checked for uniform consistency.
Recommended Dosage
Dosage rates will vary according to materials used, ambient conditions and the requirements of the specific project. Sika recommends dosage of 520-1950 mL/100 kg of cementitious material for general concrete applications.
Dosage rates outside the recommended range may be used when unusual project conditions require special consideration. In this case, contact your Sika Canada Technical Sales Representative for further information.
Laboratory tests show that, at a dosage of 1950 mL/100 kg of SikaControl®-75, shrinkage over the long term can be reduced by as much as 40 %. However, the amount of shrinkage reduction is dependent on the mix design and the components of the concrete. The gauging water should be reduced to compensate for the SikaControl®-75 which is added. In fact, it is recommended that for each litre of SikaControl®-75 added to the mix, the gauging water be reduced by one (1) litre.
When using SikaControl®-75, lab and field tests are always recommended to verify the performance and handling characteristics of the specified concrete mix.
