Views: 0 Author: Site Editor Publish Time: 2026-10-22 Origin: Site
Indoor tennis court granules are engineered EPDM rubber granules specifically suited for indoor tennis facilities, providing consistent ball bounce, reliable underfoot grip, and long-term color stability in enclosed environments where ventilation and odor control matter. Our EPDM granules have excellent property of weather resistance, and more healthy because we use the method of peroxide sulfidation; there is no sulfur in our EPDM granules, hence it doesn’t produce sulfides when exposed to sunlight, no pollution to environment, no odor and no harm to human body. We are one of the highest-quality and most cost-effective EPDM granules in China and the world, and we’d like to send free samples for you to test.

What Indoor Tennis Court Granules Solve for You
Indoor tennis courts operate under conditions that outdoor courts do not: limited air exchange, constant artificial lighting, controlled temperature, and heavy daily use without rain to wash away surface debris. These factors expose weaknesses in ordinary infill or surface granules. Low-quality granules can emit unpleasant odors in enclosed spaces, fade under UV from indoor lighting or skylights, and break down faster when subjected to continuous foot traffic and mechanical dragging.
Our peroxide-cured EPDM granules address these pain points directly. Because the granules contain no sulfur, they do not release sulfide odors or harmful emissions when exposed to heat or light—a critical advantage for indoor environments where air quality directly affects player comfort and facility compliance. The molecular structure achieved through peroxide sulfidation is more stable, extending service life by more than three times compared to conventional sulfur-cured alternatives. For court operators, this means fewer replacement cycles, lower maintenance costs, and consistent playing characteristics over years of use.

Applications and Advantages
EPDM granules are a versatile material trusted across a wide range of sports and recreation surfaces. Beyond indoor tennis courts, they are used in outdoor tennis courts, multi-purpose sports courts, school running tracks, playgrounds, fitness paths, artificial turf infill systems, and prefabricated rubber mats and tiles . In tennis applications specifically, the granules contribute to a surface that supports reliable ball rebound, controlled sliding, and shock absorption—qualities players notice immediately.
The advantages of our EPDM granules stem from both material science and manufacturing discipline. The peroxide-cured formulation delivers tensile strength of 4–7 MPa and elasticity 2–3 times higher than standard granules, with performance retention improved by more than five times. Color vibrancy is maintained through excellent UV stability and antioxidant properties, resisting fading even under intense indoor lighting or sunlight through skylights. The granules are flame-retardant to Class 1, a meaningful safety feature for enclosed facilities. Low bulk density and well-defined angular shapes give the granules a natural, uniform appearance when installed, whether used as infill or as part of a bound surface system.

Durability Across Global Climates
Different regions impose different stresses on tennis court surfaces. In hot and arid climates such as the Middle East, intense UV radiation and sustained high temperatures accelerate the degradation of inferior granules, causing fading, hardening, and powdering. Our EPDM granules resist UV-induced color change and maintain elasticity even under prolonged heat exposure. In cold climates with freezing winters, granules must withstand freeze-thaw cycles without becoming brittle or losing resilience; the stable molecular structure of peroxide-cured EPDM preserves flexibility at low temperatures. In humid and rainy regions, moisture and occasional water exposure demand granules that will not degrade or support mold growth—EPDM’s inherent water resistance and non-porous structure ensure long-term integrity. For indoor facilities in any climate, the absence of sulfur and odor makes our granules particularly suitable for enclosed spaces where air quality and player comfort are priorities.

Frequently Asked Questions
Can your EPDM granules be used specifically for indoor tennis courts?
Yes. Our granules are suitable for indoor and outdoor tennis court surfaces, including as infill for artificial grass tennis systems or as a component in bound rubber surfacing. The low-odor, sulfur-free formulation is especially valuable for indoor environments.
What sizes are available for tennis court applications?
We offer 0.5–1.5 mm, 1–3 mm, 1–4 mm, 2–4 mm, and other custom particle sizes. For tennis court infill or surface layers, the appropriate size depends on the specific system design and desired playing characteristics. We can advise based on your project requirements.
Do you provide color matching to RAL or Pantone standards?
Yes. We support RAL color customization, Pantone color matching, and customer sample-based color development. We also support custom color combinations for multi-tone or branded court designs.
How does peroxide curing benefit indoor air quality?
Peroxide curing eliminates sulfur from the granules. Without sulfur, there is no formation of sulfides when the material is exposed to heat or UV light, which means no associated odor and no emission of sulfur-based compounds into the indoor air. This is a significant advantage for enclosed tennis facilities.
Can you supply samples before I place a bulk order?
Yes, we offer free samples for testing. We encourage buyers to evaluate granule size, color, elasticity, and odor before committing to a full order.
What is your production capacity and lead time?
With over 25 years of industry experience and a complete advanced production line, we maintain stable supply capability and fast delivery. Lead times depend on order specifications and volume; please contact us for a current schedule.
Do you support OEM and private label orders?
Yes. We support OEM, ODM, and Private Label arrangements, including custom packaging. Whether you need your brand on the bag or a specific granule formulation, we can accommodate.
How do you ensure color consistency across batches?
Strict quality control at every production stage, combined with high color consistency standards and UV-stable pigments, ensures that repeat orders match previous batches closely. For projects requiring exact color continuity, we recommend retaining a reference sample.
Can you ship mixed specifications in a single container?
Yes. We support both full-container loads and mixed-container arrangements, allowing you to combine different colors, sizes, or packaging formats in one shipment.

Why Choose Us
We are a specialized EPDM granule manufacturer—we produce granules, and we do not take on installation work. That focus means our entire operation, from raw material selection to final packaging, is oriented toward one thing: making EPDM granules that perform consistently for our customers.
With more than 25 years in the industry and a full advanced production line, we have supplied buyers across global markets with granules suited to their local climate and application requirements. We support OEM, ODM, and Private Label production, along with RAL and Pantone color customization, customer sample matching, custom particle sizes, and custom packaging. Orders can be shipped as full containers or mixed containers, with flexible minimum order quantities and fast turnaround.
Our granules are chosen by customers who need reliable UV stability, high elasticity, consistent color, and—especially for indoor applications—a material that will not compromise air quality. We maintain strict quality control throughout production and stand behind the performance characteristics of our product.

Ready to test our indoor tennis court granules? Contact us for free samples and a customized quotation based on your required size, color, and order volume.


WOW(LYG) New Material Co Ltd is a manufacturer specializing in the production of EPDM granules. We use the method of peroxide sulfidation technology, it increases the service life by more than 3 times than traditional EPDM granules, and enhances the performance, including anti-aging, high-temperature resistance, and colorfastness.
We have over 25 years of production experience and offer customization for colors and granule sizes. NO MOQ.