KingAdd 75AF®
Water reducing and antifreeze admixture.
SpecWorld has the Spec Pack, CSI specification and drawings for registered specifiers.
Overview
KingAdd 75AF is a concrete admixture in liquid form for producing concrete where temperatures are expected to go below freezing.
Where to use
KingAdd 75AF is suitable for use in cold conditions such as:
- Slight daytime frost.
- Expected overnight frost.
- Expected cold period.
Why use it
KingAdd 75AF provides the following properties:
- Improved workability without increased water.
- Reduction in water without loss of workability.
- Increased frost resistance.
- Improved early strengths (as a concrete accelerator).
- Chloride free - does not attack reinforcement.
COMPATIBILITY
KingAdd 75AF is compatible with other KINGKRETE admixtures used in the same concrete mix.
If more than one type of admixture is to be used in concrete mix, they must be dispensed to the concrete separately.
Technical properties
Values @ 25°C
| Colour | Brown liquid |
|---|---|
| Freezing point | -12°C |
| Specific gravity | 1.24 ± 0.01 |
| Air entrainment | Typically less than 2% additional air is entrained above control mix at normal dosages |
Standards and approvals
KingAdd 75AF complies with the following specifications:
- EN934-2.
- BS5075.
- ASTM C494, Type C and E.
How to use
Method of use
KingAdd 75AF liquid is added to the mixing water prior to its addition to the concrete mix as the last component.
DOSAGE
Dose at a rate of 1 – 2 kg/ 100 kg cement.
Exact quantity is determined by external temperature.
Dosages outside the typical ranges quoted above can be used to meet particular requirements.
Cleaning
KingAdd 75AF spillage should be collected with a suitable absorbent such as sand or vermiculite and transferred in suitable container. KingAdd 75AF should not be allowed to enter sewers or open bodies of water.
If the spillage dries, the material is classified as ignitable waste. Dispose of in accordance with local environmental regulations.
Coverage, packaging and storage
Packaging
KingAdd 75AF is available in 25 liters pails, 210 liters drums and 1000 liters bulks supply.
Storage
Shelf life is 1 year when stored under cover, out of direct sunlight and protected from extremes of temperature.
Failure to comply with the recommended storage conditions may result in premature deterioration of the product or packaging. For specific storage advice consult KingKrete's Technical Services Department.
Health and safety
As with all chemical products, care should be taken during use and storage to avoid contact with eyes, mouth, skin and foodstuffs. Treat splashes to eyes and skin immediately. If accidentally ingested, seek medical attention. Reseal containers after use. Use in well ventilated areas and avoid inhalation.