SBR LATEX FOR GRASS

SBR (Styrene-Butadiene Rubber) latex is a synthetic polymer emulsion that has become a cornerstone material in the manufacturing of artificial grass, specifically for the critical process of back coating. This milky-white liquid, when applied to the reverse side of a synthetic turf carpet, serves as the primary binding and stabilizing agent, transforming a collection of individual tufts into a durable, unified, and high-performance surface. Its role is fundamental to the integrity, longevity, and safety of the final product.

The primary function of SBR latex in grass back coating is to lock the tufted yarns firmly in place. During manufacturing, the synthetic grass fibers are needled through a primary backing fabric. Without a secondary coating, these tufts could be easily pulled out, a phenomenon known as "tuft bind" failure. The SBR latex compound is applied as a liquid, penetrating the backing and enveloping the base of each tuft. As it cures through a controlled heating process, it forms a tough, flexible, and resilient film that mechanically anchors every blade of grass, ensuring they remain upright and secure even under intense foot traffic or mechanical brushing.

Beyond tuft lock, the SBR coating provides crucial dimensional stability to the entire turf system. It acts as a reinforcing lattice, preventing the primary backing from stretching, shrinking, or distorting under environmental stresses like temperature fluctuations and moisture. This stability is vital for maintaining a smooth, wrinkle-free playing surface and ensuring consistent performance characteristics over time. Furthermore, the coating adds significant weight and heft to the turf, improving its drape and preventing it from shifting or buckling after installation. A heavier product is less susceptible to being lifted by wind or displaced by user activity.

The SBR layer also contributes directly to the turf's durability and drainage. The cured latex film is highly resistant to abrasion, protecting the primary backing from wear against the underlying substrate. Simultaneously, the coating process is carefully calibrated to not completely seal the backing. A precise level of porosity is maintained, allowing for efficient drainage of rainwater through the turf pile and backing, thereby preventing puddles and ensuring the surface remains playable shortly after precipitation.

While SBR latex has been the industry standard for decades due to its excellent balance of performance, cost-effectiveness, and proven track record, it is important to note its characteristics in comparison to modern alternatives like polyurethane (PU) latex. SBR coatings are generally stiffer, which can be beneficial for stability but can make the turf heavier and less pliable for rolling and shipping. They are also susceptible to degradation from prolonged UV exposure if not properly protected, which is why high-quality SBR-coated turfs often include UV stabilizers in the compound.

In summary, SBR latex is the workhorse behind modern artificial grass. It is the unseen yet indispensable component that provides the essential functions of tuft lock, dimensional stability, durability, and controlled permeability. By securely bonding the grass fibers and forming a robust, flexible backing, SBR latex ensures that artificial turf can withstand the rigors of intense use in sports, landscaping, and recreational applications, delivering a consistent and reliable surface for years.

Our items code：

RF-9612 soft type
RF-9613 medium hard type 
Can customized Tg , solids accordingly.