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Master Bond SBR250

$2,000.00

SKU: CMTCCH-035 Category: Tag:

Multipurpose Bonding Agent & Admixture for Concrete

Product Description:

Master Bond SBR250 is a synthetic rubber emulsion for cement mortars, screeds and renders to use in GRC, pre-cast, concrete and emulsion paint. It gives improved adhesion and enhances the physical properties of cement mixes and slurries.

Features:

 Resistance to water penetration, corrosion resistance, and from effect of chemicals.
 Increase mortar adhesion and abrasion resistance
 Reduce Shrinkage & cracks during drilling, transportation and handling
 Corrosion resistant additive and coating for metals, rebar’s and concrete.
 Non-Toxic recommended for drinking water application
 Single Component and ready to use.

Usage:

 For GRC add 0.5 to 1 Kg per 100 Kg of cement, for increase tack and good mixing
 It increases ultimate tensile strength and flexibility to decrease failure and breakage for mortar blocks and frame work @ 5% addition.
 Additive for thin layer patching and re-profiling mortar as repair work, crack filling and Abrasion resistant lining
 Additive for plasters, Floor screeds renders and masonry mortars for high bonding.
 Water based Paint, add 5 Kg per 20 Litre to increase service life and wash-ability

Additional information

Technical Data

Type : Synthetic Rubber Latex
Form : Liquid
Color : White
Chloride Content : Nil (BS EN 934-2)
Density @ 25 oC : 1.0 Kg/Ltr
Compressive Strength (ASTM C109) : >50 N/mm2
Flexural Strength (BS EN 196-1) : >08 N/mm2
* Results achieved with cement: Sand = 1:3 containing 20% Master Bond SBR250 by weight of cement.
Packaging

Available in 5 Ltr, 20 Ltr, 220 Ltr, 1000 Ltr
Storage

Store in a cool dry place
Shelf life

12 months from date of production, properly store in original pack under shade.
Substrate Preparation

The substrate should be sound, clean and free from any contaminants. Laitance should be removed by etching. Steel reinforcements wire brushed to ensure removal of all contaminants. Cut back edges of repair areas to a minimum of 10mm depth to avoid thin repair thicknesses. Presoak the substrates with water prior to application.
Mixing

Care should be taken to ensure that mortars with Master Bond SBR250 are thoroughly mixed. A slow speed mixer of upto 400-500 rpm is suitable. A wide range of mix designs can be achieved with Master Bond SBR250.
Patching & Repair Mortar

20 Kg Portland Cement + 60 Kg Silica Sand (0.4-0.8mm) + 4 Liters Master Bond SBR250 + 2-3 Litre Clean Water. Yield: 35-38 Litres. Recommended thickness: 6mm-40mm
Rendering

20 Kg Portland Cement + 60 Kg Silica Sand (0.4-0.8mm) + 2.5 – 3 Liters Master Bond SBR250 + 2.5 – 3 Litre Clean Water. Yield: 35-38 Litres. Recommended thickness: 5mm-10mm
Tile Fixing

20 Kg Portland Cement + 60 Kg Silica Sand (0.4-0.8mm) + 3 – 4 Liters Master Bond SBR250 + 2 – 3 Litre Clean Water. Yield: 35-38 Litres. Recommended thickness: 6mm-40mm
Safety Precautions

Master Putty WR is highly alkaline therefore avoid direct contact with eyes or skin. It is recommended to use protective gloves and goggles during application. Any skin contact should be wash with soap & water. In case of eyes irritation, immediately wash with copious amount of clean cold water. Seek medical advise. Master Putty WR` is non-flammable.
Use and wear personal protective like gloves, goggles, boots and clothing. Any accidental splashes to eyes or skin must be thoroughly cleaned with water.

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