Common Problems in SBR Modified Bitumenhow to Select SBR Latex for Construction Applications

• Customization: Available
• CAS No.: 903-55-8
• Appearance: Milk White
• Model NO.: QL-2
• Solid Ontent(%): 40-60
• Gain Size(Nm): 150-300
• Viscosity(Mmpa.S): 20-55
• Density(g/cm3): 0.95-0.98
• pH: 10-11
• Mechanical Stability 5min(%): ≤1.0
• Transport Package: Drum/IBC Drum
• Specification: 1000kg
• Trademark: QIAOLONG
• Origin: China
• HS Code: 4002119000
• Production Capacity: 11000mt/Year
• Package Size: 120.00cm * 100.00cm * 113.50cm
• Package Gross Weight: 56.500kg

Product Description

As an asphalt lotion modifier, the latex has great application value in highway maintenance, and can significantly improve the low temperature extension ability, high temperature stability, creep properties and anti-aging ability of the base asphalt.
The latex is easy to be evenly dispersed with asphalt lotion in the presence of stabilizer, which can increase the cohesive force of slurry seal mixture, significantly improve the low-temperature performance of mixture, and effectively prevent low-temperature cracking of road asphalt; This latex also has the characteristic of significantly improving the high-temperature performance of asphalt.
When the latex is used for modified asphalt waterproof coating, the blending stability between emulsified asphalt and latex is good. When used as modified asphalt waterproof membrane, the method of latex evaporation blending can be used for modification. This method can ensure that the asphalt and rubber are in the most uniform mixing state, greatly improving the modification effect. This latex can significantly improve the softening point of modified asphalt roll products and significantly enhance low-temperature flexibility.

Company Profile

 

Shandong Qiaolong Environmental Technology Co., LTD. The company is located in Linzi, Shandong, the origin of football in the world. 

Shandong Qiaolong Environmental Technology Co.,Ltd. is a key manufacturer specializing in the production of Powder Styrene Butadiene Rubber, Granular Styrene Butadiene Rubber, Asphalt Modifier, Emulsified Asphalt Modifier, rubber products additives and other products. 

In terms of road performance, the company's products have very high temperature deformation resistance, low temperature cracking ability, water damage resistance, and maintain good adhesion and deformation adaptability with the road surface, and are very good in elastic recovery performance. 

Since the establishment of the company, Through close cooperation with Qilu Petrochemical Research Institute, Lanzhou Petrochemical Research Institute, Yanshan Petrochemical Research Institute and other scientific research institutions, the leading products developed: Powder Styrene Butadiene Rubber (PSBR), SBR anionic emulsified asphalt modifier and SBR cationic emulsified asphalt modifier, high performance and high content SBR granule styrene butadiene rubber, asphalt viscosifier and other products in high-grade highways, bridge surfaces, machinery Field inspection and other fields have been widely used... ... 

"Client First, Honest & Credit, Win-win Cooperation", supplying the first class quality production and satisfaction service is our forever pursuit!

 

 

 

testing item	anionic	cationic
apperance	milk white	milk white
solid content(%)	40-60	40-60
grain size(nm)	150-300	170-300
viscosity(MPa.S)	20-55	20-60
density(g/cm3)	0.95-0.98	0.98-1.01
PH	10-11	3-5
mechanical stability 5min (%)	≤1.0	≤1.0

 Case Study: Applications of SBR Latex in Construction Materials
1. SBR Latex for Waterproof Mortar

Application
Styrene-Butadiene Rubber (SBR) Latex is widely used in cement-based waterproof mortar systems for construction.
Typical application areas include:
Roof waterproofing
Bathrooms and wet areas
Basements and underground structures
Water tanks and balconies
Technical Benefits
When mixed with cement mortar, SBR latex forms a polymer film inside the cement matrix, improving overall performance.
Key advantages:
a. Strong bonding strength
b. Reduced water permeability
c. Improved flexibility
d. Better crack resistance
SBR latex is therefore commonly used as a cement modifier for waterproof coatings and repair mortars.

2. SBR Latex for Concrete Repair
 

Application
SBR latex is frequently used in polymer-modified repair mortars for concrete structures.
Common projects include:
Bridge repair
Industrial flooring
Structural concrete restoration
Floor screeds and topping layers
Performance Improvements
Adding SBR latex to cement mortar can:
a. Increase compressive and flexural strength
b.Improve bonding between old and new concrete
c. Reduce shrinkage cracks
d. Enhance durability and chemical resistance
This makes SBR an important additive for concrete repair and structural maintenance projects.

3. SBR Latex as Bonding Agent in Cement Systems

Application
SBR latex can also be used as a bonding agent between old and new concrete layers.
Typical applications include:
Tile adhesive mortar
Floor leveling mortar
Plaster bonding coat
Polymer modified cement slurry
Advantages
a. Excellent adhesion to concrete, brick, and masonry
b. Improved resistance to water penetration
c. Higher abrasion resistance
d. Longer service life of construction materials
SBR polymers help cement-based systems achieve better durability and mechanical performance.
Conclusion
SBR Latex plays a critical role in modern construction materials.
Its main functions include:
Waterproofing enhancement
Bonding improvement
Crack resistance
Durability improvement
Because of these advantages, SBR latex is widely used in waterproofing, concrete repair, and polymer-modified cement systems in construction projects worldwide.
Technical Q&A
Q1: Why is SBR used in modified bitumen systems?
SBR improves the flexibility and elasticity of bitumen.
It also enhances crack resistance and bonding performance, which are important for roofing membranes and waterproof coatings.
Q2: What specifications are important for SBR in bitumen modification?
Key parameters usually include:
solid content
viscosity
pH value
compatibility with bitumen formulations
These factors influence how well the polymer interacts with asphalt.
Q3: Is SBR suitable for cold climate applications?
Yes. When properly formulated, SBR-modified bitumen can maintain flexibility at low temperatures and improve durability in cold environments.
This is one of the reasons SBR is widely used in northern construction markets.
Conclusion
With increasing demand for high-performance waterproofing materials, the role of SBR in modified bitumen systems continues to grow.
For procurement teams, selecting the right supplier means more than just price.
Consistency, technical understanding and stable supply are essential for long-term success.