Concrete Shotcrete Accelerators
6A. ALGIRAPIDCEM
READY TO USE EXTRA QUICK SETTING COMPOUND (FINAL SETTING TIME IS 6-12 MINS)
Properties: Does not corrode steel and is easy to use.
Application Area: For repairing cracks in cement pipes, floor, concrete doors, windows, concrete pipes etc. Compressive strength achieved is 150kg/cm2 in 2 hour. 300kg /cm2 in 1day, 400kg /cm2 in 2days.
Application Method: Add ALGIRAPIDCEM to water in the ratio of 5:1 by volume & knead it into a dough. Hold it in hand till it is warm and then place in the cracks.
Coverage: 0.45sq. ft/ kg for 12mm thickness.
6B. ALGIPLAST RAPIDSET
EXTRA QUICK SETTING ADMIXTURE (FINAL SETTING TIME IS 5-12 MINS.)
Properties: For sealing severe water infiltration in case of dams, harbours, basements. Compressive strength is 120 Kg/cm2 for 2 hours and 140 Kg/cm2 for 2 days.
Application Method: Add ALGIPLAST RAPIDSET to cement in the ratio of 1:3.5 by volume and knead it into a dough and hold it in the hand until it is warm. Hold this into the crack till it sets.
Coverage: 26 Litre per bag of cement.
6C. ALGIRAPIDCEM -GP
NON SHRINK FAST SETTING CEMENTATIOUS COMPOUND
Properties: ALGIRAPIDCEM-GP is a modified cement formulation of carefully selected additives that set in 5-6 minutes and gives ultimate strength of more than 80 kg/cm². It is suitable for stopping leakages in concrete and masonry surfaces. It is easy and ready to use and requires only the addition of water. In case where higher ultimate strength of around 300 kg/cm² is required, use Algirapidcem -GP.
Coverage: Mix 200 ml water per kg of Algirapidcem-GP. This will cover 0.04 m² at a depth of 10 mm.
6D. ALGIPLAST RAPIDSET SP
FAST SETTING LIQUID CEMENT ADDITIVE FOR WATERPROOFING REPAIRS
Properties: ALGIPLAST RAPIDSET SP is a liquid formulation of carefully selected additives which on mixing with cement makes cement set within a few minutes. It is suitable for stopping leakages in basement and underground repairs and applications which require quick setting and high early strength where the stoppage should be permanent.
Coverage: 1 Ltr. of Algiplast Rapidset SP mixed with 3 kg cement covers 0.15 m² or 1.75Ft² at a depth of 10 mm.
6E. ALGISUPERSET P
SET ACCELERATING NON ALKALINE POWDER FOR DRY SHOTCRETING.
Properties: Reduces concrete rebound loss. Imparts very fast setting property for dry shotcreting and gunite concrete mixes. Useful for concrete tunnel lining and for shotcreting in water proofing repairs.
Application Method: Dry mix ALGISUPERSET P powder with cement, sand, jelly. This mix should be shot using compressor after adding water at the last minute.
Dosage: 4.5 Kg (3 to 6 Kg) per 50 Kg bag of cement.
6F. ALGISUPERSET-L
NON ALKALINE SET ACCELERATING AND WATER PROOFING SHOTCRETE LIQUID ADMIXTURE
Properties: ALGISUPERSET L is a chloride and alkali free ready to use accelerating and waterproofing agent in liquid form for addition to wet gunite mixes, and is suitable for all sprayed concrete and wet shotcreting operations.
Application Method: ALGISUPERSET mix cement, sand, jelly. This mix should be shot using compressor after adding water at the last minute.
Dosage: 3 to 12% by weight of cement. Initial trial dosage of 6% is suggested. If the dosage exceeds 9% reduced final strength should be expected.