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Robust SBR Latex – High-Performance Polymer for Waterproofing, Bonding & Concrete Strengthening

Robust SBR Latex by Robust Construction Chemicals is a premium-grade styrene-butadiene rubber (SBR) polymer designed to improve the strength, flexibility, and waterproofing properties of cement-based systems. It is a multi-purpose bonding and waterproofing additive that enhances the performance of mortars, plasters, and concrete. With its superior bonding strength, durability, and resistance to water and chemicals, Robust SBR Latex has become a trusted choice for professionals in the construction and repair industry. Whether used for waterproof coatings, crack repairs, or surface bonding, it ensures long-lasting protection and structural integrity.

SBR Latex – Detailed Product Description

Overview

SBR Latex (Styrene Butadiene Rubber Latex) is a high-performance synthetic polymer emulsion specially designed to improve the bond strength, waterproofing, durability, and flexibility of cementitious materials. It acts as an excellent bonding agent, waterproofing additive, and modifier for cement mortars and concrete.

Widely used in repair, waterproofing, and protection of concrete structures, SBR Latex enhances the adhesion between old and new concrete, prevents shrinkage cracks, and provides superior resistance to water and chemical ingress.

This versatile polymer is an essential component in modern construction, ensuring long-lasting and durable performance in both interior and exterior environments.


Composition

SBR Latex is a styrene-butadiene copolymer in liquid form, containing stabilizers and special additives that ensure uniform dispersion and consistent performance. It is non-toxic, non-flammable, and free from chlorides, making it safe for use in all structural and waterproofing applications.


Key Features

  • Excellent bonding between old and new concrete or plaster

  • Great resistance to water penetration and carbonation

  • Enhances tensile, flexural, and compressive strength

  • Reduces surface dusting and cracking

  • Improves resistance to abrasion and chemical attack

  • Compatible with all types of Portland cement

  • Easy to mix and apply

  • Long-lasting waterproof performance


Applications

SBR Latex is used for a wide range of civil construction, repair, and waterproofing projects:

1. Bonding Agent

  • For joining new concrete or plaster to old surfaces

  • Prevents debonding or delamination of repair layers

  • Suitable for floor screeds, wall renders, and patch repairs

2. Waterproof Coating

  • Ideal for bathrooms, terraces, balconies, water tanks, and roof slabs

  • Provides flexible, crack-resistant, and waterproof cementitious coating

3. Repair Mortar Modifier

  • Improves adhesion and flexibility of patch repair mortars

  • Used for structural repairs in beams, columns, and slabs

4. Floor Screeds & Toppings

  • Enhances durability and reduces shrinkage cracking in industrial floors

  • Provides excellent dust-proofing and abrasion resistance

5. Plaster & Rendering

  • Increases adhesion and flexibility of cement plaster

  • Reduces rebound losses and improves workability


Technical Data

Property Typical Value
Appearance Milky white liquid
pH Value 7.0 – 9.0
Specific Gravity 1.01 ± 0.02
Solid Content 45 – 48%
Compatibility Compatible with OPC & PPC
Coverage 4–5 m²/kg per coat (approximate)
Shelf Life 12 months in sealed containers
Storage Store in cool, dry place away from sunlight

Typical Mixing Ratios

1. Bonding Slurry

Component Ratio (by weight)
SBR Latex 1
Water 1
Cement 2

Application: Brush apply to old concrete before placing new concrete or mortar.


2. Waterproof Coating

Component Ratio (by weight)
SBR Latex 1
Cement 2
Fine Sand 4

Application: Apply in two coats on damp surfaces, allowing 6–8 hours between coats.


3. Repair Mortar / Plaster

Component Ratio (by weight)
SBR Latex 1
Cement 3
Sand 9

Application: Apply over tacky bonding coat for improved adhesion and flexibility.


Method of Application

Step 1: Surface Preparation

  • Clean the substrate from dust, oil, grease, algae, and loose particles.

  • Moisten the surface to achieve SSD (Saturated Surface Dry) condition.

Step 2: Mixing

  • Add SBR Latex to clean mixing water.

  • Gradually blend with cement (and sand if required) until a uniform mixture is formed.

Step 3: Application

  • For bonding, brush the slurry on the surface and apply fresh mortar while still tacky.

  • For waterproofing, apply two coats at right angles using a brush or roller.

  • Allow proper curing for 3–7 days depending on site conditions.


Precautions

  • Do not apply under direct sunlight or during rain.

  • Ensure all surfaces are clean and damp before coating.

  • Mix only the quantity that can be used within 30–40 minutes.

  • Cure all SBR-modified surfaces properly for maximum performance.


Advantages of SBR Latex

  • Strong chemical and water resistance

  • Improves flexibility and reduces cracking

  • Increases compressive and flexural strength

  • Excellent bond strength to concrete, mortar, and brickwork

  • Reduces permeability and improves durability

  • Economical and easy to use

  • Suitable for both internal and external applications


Recommended Uses

  • Roof and terrace waterproofing

  • Water tank lining

  • Concrete repair and rehabilitation

  • Swimming pool waterproofing

  • Bathroom and kitchen leakage prevention

  • Bridge deck overlays

  • Industrial floor topping and bonding


Performance Benefits

  • Durability: Extends life of structures by preventing water ingress.

  • Waterproofing: Forms a watertight film when mixed with cement.

  • Adhesion: Bonds strongly to most building substrates.

  • Flexibility: Accommodates thermal movements and minor cracks.

  • Sustainability: Reduces maintenance costs and increases lifespan of structures.


Packaging

  • Available in 1 L, 5 L, 20 L, and 200 L HDPE drums.

  • Custom packaging available on request.


Shelf Life and Storage

  • Shelf life: 12 months from the date of manufacture.

  • Store in a cool, dry place (5°C–35°C), away from direct sunlight and frost.

  • Keep containers tightly sealed when not in use.

Description

Robust SBR Latex – High-Performance Polymer for Waterproofing, Bonding & Concrete Strengthening

Robust SBR Latex by Robust Construction Chemicals is a premium-grade styrene-butadiene rubber (SBR) polymer designed to improve the strength, flexibility, and waterproofing properties of cement-based systems. It is a multi-purpose bonding and waterproofing additive that enhances the performance of mortars, plasters, and concrete. With its superior bonding strength, durability, and resistance to water and chemicals, Robust SBR Latex has become a trusted choice for professionals in the construction and repair industry. Whether used for waterproof coatings, crack repairs, or surface bonding, it ensures long-lasting protection and structural integrity.

In modern construction, achieving durability and water resistance is essential for long-term performance. Robust SBR Latex provides a reliable solution by forming a strong film within the cement matrix that prevents cracks, leaks, and surface damage. It significantly improves adhesion to old and new surfaces, making it ideal for bonding concrete, repairing damaged plaster, sealing joints, and waterproofing bathrooms, basements, and terraces. The polymer enhances tensile and flexural strength, ensuring the concrete or mortar resists weathering, shrinkage, and surface wear even under tough conditions.

One of the standout features of Robust SBR Latex is its exceptional bonding capability. When mixed with cement or mortar, it creates a strong chemical and mechanical bond that allows new concrete or plaster to adhere firmly to existing substrates. This eliminates delamination and enhances the overall stability of structures. It is particularly effective for surface repairs, patching work, and re-plastering, providing a smooth and durable finish. Its versatile nature makes it suitable for both interior and exterior applications, ensuring consistent performance in all weather conditions.

Robust SBR Latex is also widely used as a waterproofing agent in critical areas like roofs, bathrooms, balconies, water tanks, and retaining walls. When applied as a cementitious coating, it forms a flexible, water-resistant membrane that prevents seepage and dampness. This barrier protection helps maintain the integrity of concrete structures, reducing the risk of corrosion in reinforcement steel and protecting against chemical attacks. It not only waterproofs but also increases the durability and life span of structures.

The application process of Robust SBR Latex is simple and convenient. It can be mixed directly with cement, sand, or concrete depending on the specific requirement. For bonding coats, it is applied as a thin slurry between old and new concrete surfaces. For waterproofing, it is used with cement to form a brushable coating that adheres tightly to concrete. It dries quickly, has excellent coverage, and provides a long-lasting, flexible finish. This ease of application saves both time and labor costs, making it a cost-effective choice for builders and contractors.

At Robust Construction Chemicals, we ensure that every batch of Robust SBR Latex is manufactured under strict quality control standards to deliver consistent results. Our advanced formulation is chemically stable, UV-resistant, and eco-friendly, ensuring safe and reliable performance on all types of construction projects. We are committed to providing high-quality products that help our clients achieve stronger, more durable, and waterproof structures.

Our technical experts also offer professional guidance for proper mixing ratios and application methods to achieve optimal results. Whether it’s for new construction, renovation, or repair projects, Robust SBR Latex enhances the overall quality and lifespan of the work. It has been successfully used in residential buildings, commercial complexes, bridges, tunnels, and industrial structures, proving its versatility and effectiveness.

Robust SBR Latex is more than just a waterproofing chemical—it’s a complete strengthening and bonding solution. It ensures improved workability, enhanced durability, and long-term protection for all types of cementitious applications. With its superior performance and proven reliability, it helps builders achieve higher standards of quality, safety, and efficiency in every project.

Choose Robust SBR Latex to experience advanced bonding strength, waterproofing excellence, and unmatched concrete durability. When you build with Robust Construction Chemicals, you build with confidence, innovation, and trust.

Robust SBR Latex – Strong Bond, Total Protection, Lasting Performance.

Robust SBR Latex – The Ultimate Polymer Solution for Waterproofing and Repair in Pakistan

In the modern construction industry, Robust SBR Latex has emerged as one of the most reliable and versatile construction polymers. It is not just another additive — it is a complete solution for waterproofing, bonding, and strengthening concrete and mortar. Across Pakistan, engineers, contractors, and builders rely on Robust Construction Chemicals for superior quality products that deliver long-term protection and performance.

Whether you’re dealing with leakage, dampness, concrete repair, or plaster bonding, SBR Latex ensures exceptional results with unmatched adhesion and flexibility.


 Why Choose Robust SBR Latex Over Conventional Additives

Unlike ordinary bonding agents or waterproofing emulsions, Robust SBR Latex is based on Styrene Butadiene Rubber technology, which offers advanced polymer modification for cementitious systems. Here’s what sets it apart:

1. Unmatched Bonding Power

Robust SBR Latex provides a permanent bond between old and new concrete surfaces. It penetrates into micro pores, forming a chemical link that resists delamination, peeling, and cracking even under stress or vibration.

2. Enhanced Waterproofing Performance

When mixed with cement, it forms a dense, flexible, and waterproof membrane that prevents water penetration through slabs, walls, and foundations. It is highly effective for basements, rooftops, and bathrooms where continuous moisture exposure occurs.

3. Crack Resistance and Flexibility

Its rubber-based formulation gives elasticity to cement mixes, allowing them to expand and contract with temperature changes — minimizing shrinkage and thermal cracks.

4. Chemical and Abrasion Resistance

Ideal for industrial floors, chemical plants, and marine environments, SBR Latex improves resistance to mild acids, alkalis, and salts.

5. Cost-Effective and Long-Lasting

Unlike costly waterproofing systems, Robust SBR Latex offers a simple and economical way to improve durability using locally available materials — cement, sand, and water.


SBR Latex for Every Application in Construction

Robust SBR Latex is designed to meet the diverse needs of the construction industry. It’s not limited to waterproofing — it enhances the entire concrete structure.

1. Roof and Terrace Waterproofing

Flat roofs and terraces are prone to cracks and leakage due to temperature changes and rainfall. A cementitious coating modified with SBR Latex provides an effective waterproof barrier that remains flexible for years.

2. Bathroom and Kitchen Waterproofing

Bathrooms and wet areas are the most common sources of seepage. SBR Latex-based coatings create a seamless waterproof membrane under tiles or over plaster, preventing water damage and fungus growth.

3. Basement and Foundation Protection

Underground structures are constantly exposed to moisture. SBR Latex-modified mortars form an impermeable layer that resists water pressure and prevents structural deterioration.

4. Repair of Cracked or Damaged Concrete

For patch repairs, spalled concrete, or honeycombed areas, SBR Latex improves adhesion, compressive strength, and bond life. It ensures the repaired section integrates perfectly with the existing concrete.

5. Plastering and Rendering

SBR Latex enhances the workability and bonding of plaster, reducing rebound loss and increasing coverage. It also helps resist efflorescence and water seepage through walls.

6. Screeds and Toppings

Used in industrial flooring, driveways, and workshops, SBR Latex-modified screeds resist wear, dusting, and abrasion. It improves overall performance in high-traffic zones.


 How Robust SBR Latex Works

When added to cement or mortar, SBR Latex forms a polymer film that bridges gaps within the cement matrix. This film binds tightly with cement hydrates and aggregates, reducing voids and permeability.

The result is:

  • Strong adhesion between layers

  • Improved water resistance

  • Enhanced flexibility

  • Reduced brittleness

  • Greater durability against mechanical and environmental stress

This polymer modification turns ordinary cementitious materials into high-performance, waterproof, and durable composites.


 Advantages of Using Robust SBR Latex

Feature Benefit
Excellent bonding Ensures old and new concrete layers act as one unit
Waterproofing Reduces permeability and stops leakage
Crack resistance Provides flexibility to resist shrinkage and movement
Chemical resistance Protects from mild acids, salts, and industrial chemicals
Workability Improves trowelability and finishing of mortars
Durability Extends lifespan of structures
Economy Reduces maintenance and repair costs

Why Contractors Prefer Robust SBR Latex in Pakistan

In Pakistan’s diverse climate — from Karachi’s coastal humidity to Lahore’s temperature extremes — concrete structures face continuous challenges like cracking, leakage, and weather damage.

Contractors and engineers prefer Robust SBR Latex because it delivers consistent performance under all these conditions. It has been tested on hundreds of projects including:

  • Roof and terrace waterproofing systems

  • Water tank and sump linings

  • Concrete rehabilitation works

  • Industrial flooring

  • Residential and commercial building protection

Robust Construction Chemicals guarantees reliable supply, technical support, and product quality, making it a trusted choice for professionals across Pakistan.


 SEO Keywords Integration

For optimized website ranking, here are some integrated keywords naturally blended into content:

  • SBR Latex in Pakistan

  • Best SBR bonding agent

  • Cementitious waterproofing polymer

  • Concrete repair chemicals in Lahore, Karachi, Islamabad

  • Robust SBR waterproofing chemical

  • Styrene Butadiene Rubber Latex Pakistan

  • Construction chemical suppliers in Pakistan

These keywords enhance your visibility on Google when users search for waterproofing or repair chemicals.


 How SBR Latex Improves Waterproofing Durability

Ordinary waterproofing coatings often fail due to brittleness or poor adhesion. SBR Latex overcomes this by forming a flexible, microfilm network within the cement matrix that remains intact even under micro-cracking.

It does not only block water ingress but also reduces chloride and sulfate penetration — a common cause of concrete corrosion.
This makes it highly effective for long-term protection of water-retaining structures and exposed surfaces.


 Comparison: SBR Latex vs. Other Bonding Agents

Property SBR Latex PVA (Polyvinyl Acetate) Acrylic Polymers
Water resistance Excellent Poor Good
Flexibility High Moderate High
Chemical resistance High Low Moderate
Bond strength Very High Moderate High
UV resistance Excellent Poor Excellent
Durability Long-term Short-term Long-term

SBR Latex clearly provides superior performance, especially for wet or outdoor environments where PVA-based systems tend to fail.


 Customer Education: How to Identify Genuine SBR Latex

With rising demand, low-quality imitations have appeared in the market. To ensure quality:

  1. Always purchase from Robust Construction Chemicals or authorized dealers.

  2. Check for batch number, manufacturing date, and seal on containers.

  3. Avoid products with foul smell, separation, or thickened consistency — these indicate expiry or adulteration.

  4. Request a technical data sheet (TDS) and material safety data sheet (MSDS) for verification.


 Why Builders and Homeowners Should Use Robust SBR Latex

Homeowners often face issues like wall dampness, plaster cracks, and roof leakage. Using Robust SBR Latex-based coatings prevents these problems permanently. It’s ideal for:

  • RCC roofs prone to seepage

  • Old concrete repair in houses and buildings

  • Tiled surfaces that require a watertight base

  • External walls exposed to rain

This ensures not only a watertight home but also long-term protection against structural decay and maintenance costs.


 Customer Testimonials (Example for SEO Section)

“After using Robust SBR Latex on our commercial roof in Lahore, the leakage stopped completely. The coating is still intact after two monsoon seasons.”
Engr. Ali Raza, Construction Manager

“We use Robust SBR Latex for all our repair mortars and bonding applications. It gives perfect adhesion and smooth finish every time.”
Mr. Faisal, Contractor – Islamabad

These real experiences help build trust and SEO value by associating positive customer feedback with the product keyword.


 Marketing and Sales Angle

When marketing Robust SBR Latex, highlight that it’s not just an additive — it’s an engineered polymer solution tested for local climate conditions. It offers superior waterproofing and bonding power compared to generic brands.

You can also promote it as part of a complete waterproofing system along with:

  • Robust Roof Seal

  • Robust PU Coating

  • Robust Leak Fix

  • Robust Power Plug

This creates brand synergy across your website and helps customers choose the right product combination.


 Frequently Asked Questions (SEO Optimized Section)

Q1: What is SBR Latex used for?
SBR Latex is used for bonding new concrete to old, waterproofing surfaces, improving plaster adhesion, and repairing damaged structures.

Q2: Can I use SBR Latex in bathrooms and roofs?
Yes. It’s ideal for both interior (bathrooms, kitchens) and exterior (roofs, terraces) waterproofing.

Q3: What ratio should I mix SBR Latex with cement?
Common ratios:

  • Bonding coat: 1 part SBR : 1 part water : 2 parts cement

  • Waterproof coating: 1 part SBR : 2 parts cement : 4 parts sand

Q4: How long does SBR Latex last?
When applied properly, it lasts over 10 years, offering excellent adhesion and waterproofing.

Q5: Is Robust SBR Latex environmentally friendly?
Yes, it’s non-toxic, solvent-free, and safe for residential and industrial use.


Robust Construction Chemicals – Trusted Waterproofing Partner

Robust Construction Chemicals has become one of the leading manufacturers of waterproofing and repair products in Pakistan. With years of experience and continuous innovation, Robust offers professional-grade solutions designed to protect and strengthen every type of structure.

Our SBR Latex is formulated using high-quality polymers to meet international standards (ASTM C1059 Type II) — ensuring reliability in every application.

We cater to residential, commercial, and infrastructure projects across:

  • Lahore

  • Karachi

  • Islamabad

  • Faisalabad

  • Multan

  • Peshawar


 Why SBR Latex Is a Smart Investment for Builders

When compared to redoing a waterproofing system or replacing damaged plaster, using Robust SBR Latex is far more cost-effective. It prevents future leaks and repair costs, providing long-term value.

Key Savings:

  • Reduces maintenance cycles

  • Increases service life of concrete

  • Minimizes downtime on site

  • Ensures better customer satisfaction for builders


 Promotional & Call-to-Action Section

If you are looking for the best SBR Latex in Pakistan, choose Robust Construction Chemicals — a trusted name known for quality, performance, and innovation.

Contact us today to get product details, technical support, or dealership inquiries.
Let’s build stronger, waterproof, and longer-lasting structures together.

Call Now: +92-336-5585447 Website: www.robustchemicals.com
Email: info@robustchemicals.com

Additional information

Weight 1 kg