High Range Water-Reducing Admixture – Aqueous Solution
Description
AD-TEK HWR is a composite superplasticizer for concrete applications, providing high slump of concrete mixes.
AD-TEK HWR significantly reduces mixing water, promoting high early and ultimate strengths of concrete.
AD-TEK HWR is in accordance with Australian Standard AS1478.1 – 2000 as a High Range Water-Reducing Admixture.
Uses
- Precast concrete at job sites
- Prestressed concrete
- Sprayed concrete
Benefits
- High water reduction in a range of 15 to 30%
- Increased early and long-term strengths
- Improved rheological properties of the mixes
- Increased workability without segregation
- Increased resistance to aggressive atmospheric conditions
- Decreased risk of shrinkage
Technical Data (typical)
| Property | Value |
|---|---|
| Appearance | Viscose liquid |
| Colour | Dark brown |
| Density at 20°C | Approx. 1.2 kg/litre |
| pH value | Approx. 7.0 |
| Chloride content | None added |
| TEA Content | None |
| Air entrainment | Slightly increases |
Application
The maximum plasticizing effect or water reduction is obtained if AD-TEK HWR is added into concrete after cement is wetted out.
Dosage
The usually recommended dosage rate is between 500 – 1500 ml per 100 kg of cement binder, depending on specific mix design and requirements. Pre-trial tests are a must.
Packaging
AD-TEK HWR is available in 20-litre containers, 1000-litre cubes and in bulk.
Health and Safety
AD-TEK HWR contains no hazardous substances requiring labelling. For further information refer to the Material Safety Data Sheet.
Please contact our technical department for further information.
Storage and Shelf Life
AD-TEK HWR should be stored at temperatures between 5ºC and 40ºC. In an unopened original container, it has a shelf life of one year.
Disclaimer: Any advice, recommendation, information, assistance or service provided by application is in good faith and is believed by AD-TEK PTY LTD to be appropriate and reliable. However, any advice, recommendation, information, assistance or service provided by AD-TEK PTY LTD is provided without liability.