Proset AF
Alkali free sprayed concrete accelerator
Proset AF is a set accelerating, alkaline and chloride free admixture used for sprayed concrete, shotcrete and gunite processes.
- Rapid set allows thick sections to be built-up.
- Alkaline free.
- Single pass spraying for thick layers.
- Excellent for overhead applications.
- Can be used for ‘wet and dry’ processes.
Proset AF is available in 275 kg plastic drums supply.
Proset AF has a shelf life of 6 months from date of manufacture if stored in a dry area out of direct sunlight and exposure to frost in original unopened container at temperatures between 5°C and 35°C.
The optimum dosage for Proset AF to meet specific requirements should be determined by trials using the materials and conditions that will be experienced in use.
This can best determine the optimum dosage to be used and will ensure most cost effective site application.
The typical dosage range for Proset AF is 7.0 - 10.0 kg per 100 kg of cementitious and cement replacement material, including PFA, GGBFS or microsilica, which can be used as a starting point for the trials.
Proset AF complies with ASTM C1141, Types I & II, Grade 9.