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SikaLatex®
Water resistant bonding agent and mortar admixture
SikaLatex® is a synthetic rubber emulsion that is used as admixture for cementitious bonding bridges and high quality site-mix mortars. Suitable for use in hot and tropical climatic conditions.
- Increased adhesion
- Reduced shrinkage and cracking
- Increased abrasion resistance
- Reduced permeability
- Improved workability
- User friendly
- Suitable on most common construction substrates
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Usage
SikaLatex® is used as bonding agent and site-mix mortar admixture for the following applications:- Grouts and screeds
- Patch repair mortars
- Mansonry mortars
- Renders
- Tile adhesives
Advantages
The main advantages of SikaLatex® are:- Increased adhesion
- Reduced shrinkage and cracking
- Increased abrasion resistance
- Reduced permeability
- Improved workability
- User friendly
- Suitable on most common construction substrates
Packaging
20 L cans and 200 L drums
Colour
White liquid
Product Details
SUSTAINABILITY
SikaLatex® is certified according "Low Emitting Materials as per Al Sa'fat - Dubai Green Building Evaluation System" by Dubai Central Laboratory (DCL) certificate No. CL17020432
Composition
Styrene butadiene emulsion
Shelf life
12 months
Storage conditions
Store properly in undamaged original sealed packaging, in dry cool conditions at temperatures between 5 °C and 30 °C. Protect from direct sunlight, contamination and moisture.
Density
~1.0 kg/l
Total Chloride Ion Content
≤ 0.1 %
Application
Recommended Dosage
1. Bonding Bridge
Cement : Quartz Sand : Liquid (1 part SikaLatex® + 1 part Water) = 1 : 1 : 1 (by volume) or,
Cement : Quartz Sand : Liquid (1 part SikaLatex® + 1 part Water) = 1.5 : 2 : 1 (by weight)
Apply the slurry by brush onto the pre-wetted substrate in 1-2 mm thickness and apply the subsequent mortar renders immediately (wet on wet application).
2. Repair Mortars
Portland cement | 50 kg | 50 kg |
Yield | Approx. 90 L | Approx. 90 L |
Remarks | Up to 25 kg of Sikadur Aggregates should be added where the thickness per layer exceeds 12 mm | Up to 25 kg of Sikadur Aggregates should be added where the thickness per layer exceeds 12 mm |
3. Adhesive Mortars
Mix / Application | Adhesive mortar for bonding tiles, slip bricks, coping stones, kerbs, etc | |
Portland cement | 50 kg | |
Yield | Approx. 90 L | |
Remarks |
|
The above mixes are for guidance only and based on the use of sharp, well graded aggregates and dry sand. Trial mixes must be performed to establish the exact dosage rate required. For optimum results, always ensure that the correct SikaLatex® : Water ratio is used. Depending on the application and performance required, Sika Latex® may be added to the clean mixing water within the range of 1:1 to 1:4. For all applications apart from sprayed on renders, a bonding bridge should be brushed into the prepared surface.
Aggregate Grading
Layer Thickness | Aggregate Grading | Sika Aggregate | |
< 2 mm | 0.1 - 0.5 mm | Sikadur®-505 | |
2 - 10 mm | 0.1 - 1.2 mm | Sikadur®-506 | |
10 - 25 mm |
| On request | |
> 25 mm | 0.1 - 5.0 mm | On request |
Aggregates should be sharp, well and thorougly washed. Sand particle sizes should correspond to the thickness of the applied mortar and to required surface finish.
MIXING
Mix SikaLatex® with the correct amount of water to produce a gauging solution.
Pour part of the gauging solution into a suitable mixing container. While stirring slowly, add the cement-sand mix to the gauging solution and mix thoroughly until a smooth, uniform and lump-free mix is achieved. Within the mixing time add additional gauging solution to adjust to the desired consistency.