Water Reducing & Set Retarding Concrete Admixture

A liquid water reducing agent these admixtures slow the rate of cement hydration. Preventing th cement from setting before it can be placed and compacted. This type of admixture is mainly used in hot conditions and climates or on very large pours.
Use
RWR-323 is used as a general purpose admixture where the placing conditions for high quality concrete are more demanding such as :

• Elevated Temperatures.
• Fair Faced Concrete.
• Pumped Concrete.
• Ready Mix Concrere.
• Areas Where Large Volumes are placed in one pour.
• High Mechanical Strengths are Required.
• Long Travel Distance.

Advantages

• RWR-323 provides the following properties
• Longer Setting Time in Hot Weather.
• Improved workability without increased water content.
• Reduced water without loss of workability.
• Compatible with all types of cements

Appearance
Dark Brown Colored Liquid
Packaging
RWR-323 is available in 220 Litrer Non Returnable Drums.
Storage & Shelf Life
One (1) year in unopened, original containers when stored free frost and below 25^oC.
Dosage
Typical dosage RWR-323 400ml/100kg cement. The dosage rate can be increased to 500ml/10 kg cement to overcome difficulties in quality of cement and aggregates, high temperature and difficult placing conditions. Higher dosages provide longer setting times. In many cases it is advisable to carry out trial mixes to establish the exact dosage rate requied RWR-323 is compatible with all typed of portland cement including s.r.c.
Appilication Conditions Instructions for use
For best results delay the dosage in to the water until the cement and RWR-323 have been added and intitially mixed with water. RWR-323 may be added to the mixed concrete if required. Howerver, frther mixing should take place for at least one minute per cubic metre of concrete.
Important Notes
When accidental overdosing of normal setting RWR-323 occure the setting time will be retarded. During this period the concrete must be kept moist to prevent premature drying out.
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