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DESCRIPTION
Perma Latex SBR is based on Styrene Butadiene rubber, and special adhesive and bonding chemicals along with hydrofillic agents. Perma Latex gives a versatile performance in many civil engineering applications. The product is a milky white liquid.
PRIMARY USES
Perma Latex SBR is a very superior quality emulsion which enhances the performance of cement mortar and concrete. Some examples from its innumerable uses are as follows:
1) An excellent product in concrete repairs as in com bination with Cement (1:1) it produces a very strong primer and as an additive in the mortar to make strong water proof plaster.
2) An indispensable product in floor repairs. Perma Latex SBRused in mortar as an additive to make creeds which can be feather edged and can be used successfully in restoring the nozings of floor ducts and stairs.
3) In case of multilayered plaster Perma Latex SBR bonding slurry helps in building up layer after layer. The bond coat not only serves as a bonding agent but also as a water proof barrier.
4) Perma Latex SBRmodified mortars are used in joining prefabricated members and as bedding mortar in precast block work to secure water tight joints.
5) In terrace waterproofing and patch up repairs Perma Latex SBR forms an important member as it helps binding new plaster to old plaster and also helps in making non shrink crack free mortar for repairs.
6) With fine sand cement mortar Perma Latex SBR is admixed to get an excellent adhesive for fixing wall panelling, stones and tiles including granite and marble tiles.
7) Cement Perma Latex SBR slurries are used as corrosion inhibitor on exposed reinforcements and on bridge girders to protect them from attack of chlorides and sulphates.
8) Perma Latex SBR is used in making water proof slurries for repair of old water proofing works and water proof mortars for new water proofing works.
9) Perma Latex SBR is used in arresting leakages from water retaining structures whether through pipe concrete junctions or from masonary pointings.
10) Perma Latex SBR is used in arresting leakages from over head as well as under ground potable water tanks.
DIRECTIONS FOR USE
1) SURFACE PREPARATION : Surfaces to receive any repair treatment should be sound free from loose particles, grease oil or any deleterious material. All loose portions should be cut back to sound concrete. Surface should be
sufficiently wetted to saturation level but should be free from stagnant water.
2) AGGREGATES : Aggregates should be clean and sound. They should be designed properly with respect to the
mix as well as maximum aggregate size with respect to the thickness of concrete or mortar to be layed. In case of mortars maximum grain size of the fine aggregate should be around one fourth the thickness of the member to be cast and it should be graded.
3) MIXING : Mortars can be mixed manually or by machine.
Dose Perma Latex SBR with gauging water. As soon as the mix is ready immediately empty the mixer drum. Do not leave modified mixes in mixer drum after the mixing operation is complete.
4) APPLICATION METHOD : Application system of Perma Latex SBR consists of applying a primer and when the primer is still tacky apply the mortar. Primer is made by mixing Perma Latex SBR, water and cement in various proportions. The mortar consists of cement, sand water and Perma Latex SBR in various proportions depending upon the type and area of use
APPLICATION EXAMPLES
1) FLOOR REPAIRS : Prepare the base and apply primer obtained by mixing cement with Perma Latex SBR and water in the proportion of (2:1:1). When the primer is still tacky apply mortar which has Latex SBR and water in the proportion of (1:6). For repairing floor duct edges and nozing of stairs let the primer be same but mortar to be added with Latex SBR and water in the proportion (1:3).
2) WATER PROOF PLASTER :Mix Latex SBR and water in the proportion of (1:6) use this as gauging water in mortar and apply the mortar. Should there be a need of primer use (1:4)
Latex SBR water in cement to form a primer and brush apply this before application of plaster.
3) BINDING OLD CONCRETE TO NEW : Use Perma Latex SBR with cement in the proportion of 1:1 to form a thick slurry. Brush apply this slurry to the old concrete just before concreting.
4) FOR FIXING GRANITE AND MARBLE TILES AND FOR FIXING PANELLING ETC.
CURING
Curing of the modified mortar is essential to prevent it from premature drying out. After twenty four hours of application of the mortar start curing or by very light spray for two to three days and then allow it to dry off.
COVERAGE
Varies depending upon the type of use. Primer covers 40 square feet per litre of Perma Latex SBR.
PACKING
Perma Latex SBR is available in 1 litre, 20 litres and 100 litres packings
SHELF LIFE
One year when stored as recommended in original packing in a cool and dry palce above 5ºC
QUALITY ASSURANCE
All “PERMA” branded products are manufactured under strict quality control supervision as per exact manufacturing specification. Should you find the behaviour of the product varying from the claims in the data sheets please stop the use of the product and contact the nearest Perma staff or distributor.
STATEMENT OF RESPONSIBILITY
Perma branded products when used in accordance with its current published directions for use performs as per its data sheets / catalogue. The manufacturer and the distributor will not be responsible for other materials and conditions of inferior workmanship.