Shock-Absorbing EPDM Granules

Shock-absorbing EPDM granules are high-elasticity colored rubber granules made from ethylene propylene diene monomer (EPDM) rubber through a specialized vulcanization process. Their core value lies in providing durable and stable impact absorption and shock buffering for sports surfaces, playgrounds, and artificial turf systems, while also delivering color performance and environmental safety. Our EPDM granules are produced using peroxide vulcanization technology, which introduces no sulfur element during the vulcanization process and eliminates the formation pathway of sulfides at the molecular level. This means the product will not produce odors or pollutants from sulfide precipitation under long-term high temperature and UV exposure. It is harmless to the human body and poses no burden on the environment. We are one of the highest-quality and most cost-effective EPDM granule manufacturers in China and the world, and we would like to send free samples for you to test.

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, we'd like to send free samples for you to test.

Core User Needs: What Problems Can EPDM Granules Solve?

When purchasing EPDM granules, what users truly care about often goes beyond the product specifications themselves. The most fundamental concern is whether the material can be used outdoors for a long time. In high-UV regions, there is concern about fading and powdering. In rainy and humid areas, there is concern about hydrolysis and aging. In extremely cold or hot regions, there is concern about hardening, cracking, or softening and deformation. Ordinary rubber granules tend to experience performance degradation under these extreme conditions, while high-quality EPDM granules possess excellent weather resistance and anti-aging capability at the molecular structure level, maintaining elasticity and color stability during long-term outdoor exposure.

The second core need is safety and environmental friendliness. Whether it is a children's playground, a school sports field, or a community fitness trail, users come into direct contact with the granule surface. Any odor, harmful substance precipitation, or sharp edges could become a hazard. The peroxide vulcanization system eliminates sulfide residues from the source. The product is odorless, pollution-free, and meets strict environmental testing standards.

The third need is the durability of shock-absorbing performance. The impact absorption capacity of sports surfaces decays as materials age. What users need is not granules that are "soft when first installed," but granules that "still protect joints after years of use." Peroxide vulcanization technology makes the EPDM molecular crosslinking structure more stable, with smaller compression set and significantly better elasticity retention than conventional sulfur vulcanization systems.

Applications

Shock-absorbing EPDM granules have a wide range of applications, with one core logic: wherever there is a need for "cushioning underfoot, color on the ground, and long-term performance without degradation," EPDM granules are a suitable solution.

Sports surface systems are the most mature application area for EPDM granules. Running tracks, basketball courts, tennis courts, badminton courts, and other surfaces can use EPDM granules mixed with polyurethane adhesive for the elastic layer or top layer. A 13mm thick EPDM plastic running track is one of the standard configurations for primary, secondary, and kindergarten sports areas. Fitness trails and community activity areas also extensively use EPDM granules, balancing walking comfort with visual appeal.

Playgrounds and children's activity areas have particularly prominent demand for EPDM granules. Children's playground surfaces require sufficient impact absorption to reduce the risk of fall injuries. The high elasticity and controllable particle size range of EPDM granules make them the preferred material for wet-pour playground surfaces. Under EN 1177 standards, the critical fall height can reach 2.7 meters, effectively protecting children.

Artificial turf systems are a rapidly growing segment of EPDM granule applications. In artificial turf for football fields and multi-purpose sports fields, EPDM granules can be used as infill granules, supporting the grass filaments, providing elastic feedback, and adjusting surface hardness and ball rolling performance. At the same time, in EPDM sealing layer structures, EPDM granules can also be used to fill the pores on the surface of the ETPU buffer layer, forming a flat sealing interface, enhancing the bonding strength of the artificial turf top layer, and avoiding common issues such as granule scattering and water accumulation in traditional infill systems. The low-temperature flexibility of EPDM infill granules allows them to maintain performance in cold climates, while color options can assist with field line marking or functional zoning.

Other application scenarios include: anti-slip surfaces around swimming pools, flexible flooring for nursing homes and rehabilitation facilities, park trails, and buffer layers for rooftop gardens.

Core Advantages: Why EPDM Granules Are Worth Choosing

Weather resistance and global climate adaptability. This is the fundamental advantage that distinguishes EPDM granules from low-cost alternative materials. The EPDM molecular backbone is a saturated structure with high chemical stability and natural resistance to UV, ozone, heat, and moisture. In high-temperature and high-UV regions such as the Middle East, high-quality EPDM granules combined with UV-protective topcoats can effectively slow color change. In cold regions such as Northern Europe and Canada, EPDM granules remain flexible at low temperatures and will not become brittle or crack. In the high-humidity and rainy climates of Southeast Asia and southern China, EPDM granules absorb almost no water, and permeable surface structures can quickly drain water, avoiding accelerated aging caused by water accumulation. The extremely wide operating temperature range makes EPDM granules a truly global material.

Structural advantages of peroxide vulcanization. Our EPDM granules use a peroxide vulcanization system. The fundamental difference from conventional sulfur vulcanization systems lies in the type of crosslink bonds. Peroxide vulcanization forms carbon-carbon crosslink bonds with high bond energy and thermal stability, while sulfur vulcanization forms polysulfide bonds that are prone to breakage under heat and UV. This molecular-level difference brings a series of perceptible product advantages: odorless — no sulfur-containing compounds in the vulcanization products, so no odor is released under high-temperature sun exposure; service life extended by more than 3 times — the carbon-carbon crosslink network has significantly stronger anti-aging capability; elasticity and tensile strength increased by 2-3 times, with tensile strength reaching 4-7 MPa; smaller compression set — better rebound retention after long-term compression.

Color and customization freedom. The color of EPDM granules is integrated into the material body during vulcanization, not surface-coated, so it will not fade or expose the base material due to wear. We can precisely match colors according to RAL color cards, Pantone color cards, or customer samples, supporting single colors, multi-color blends, and various color combination schemes. In terms of particle size, conventional customization ranges cover 0.5-1.5mm, 1-3mm, 1-4mm, 2-4mm, etc., and special specifications can be adjusted according to project requirements. Packaging supports customization and can meet full container and LCL shipment needs.

Durability Under Different National and Climatic Conditions

Middle East and tropical high-temperature regions (e.g., Saudi Arabia, UAE, Southeast Asia) — the core challenges are high UV intensity and extreme surface temperatures. The saturated molecular structure of EPDM granules itself has good UV resistance, and the use of UV-protective topcoats can further lock in color. Under high temperatures, the low compression set of peroxide-vulcanized EPDM is particularly important — the surface remains flat after repeated use and heat exposure, without localized depression or "fusion" phenomena.

European and North American cold regions (e.g., Northern Europe, Canada) — materials need to remain flexible at low temperatures. The glass transition temperature of EPDM granules is low, and they do not become brittle even at -40°C, ensuring the experience and safety performance of outdoor sports surfaces in winter. The impact of rain and freeze-thaw cycles on EPDM granules is far less than on alternative materials such as SBR (styrene-butadiene rubber).

Temperate rainy regions (e.g., southern China, the UK, Japan) — there are higher requirements for hydrolysis resistance and drainage performance. EPDM granules have extremely low water absorption, and permeable surface structures allow rainwater to infiltrate quickly, preventing long-term immersion of the granule layer. At the same time, EPDM has a certain resistance to acid rain and alkaline environments, with slow performance degradation during long-term outdoor use.

Frequently Asked Questions (FAQ)

Do you supply EPDM granules or also do installation?

We only produce and supply EPDM granules. We do not do installation. This allows us to focus all our energy on the formulation, process, and quality control of the granules themselves. You can confidently purchase materials from us and have your trusted installation contractor complete the laying.

What is the minimum order quantity? Can I mix different colors and particle sizes in one order?

Our MOQ is flexible, depending on the product specifications and degree of customization. Regular colors and particle sizes can be ordered in small quantities. We support combined orders of different colors and particle sizes, as well as OEM, ODM, and Private Label cooperation models.

Can you provide free samples? Do the samples reflect bulk quality?

Yes. We provide free samples for your testing and evaluation. Samples are taken from the same production line and formulation batch as bulk orders, and undergo the same quality control inspection, truly reflecting the performance of bulk products.

What special requirements apply to EPDM granules used in artificial turf?

EPDM granules for artificial turf infill typically require attention to particle size uniformity, dust content, and color stability. We can provide multiple particle size options ranging from 0.5-1.5mm to 2-4mm. The granules have clean surfaces and strong angular three-dimensionality, with moderate bulk density, facilitating uniform laying and long-term position stability.

How long does the color last? Will it fade?

Color stability depends on pigment quality, UV intensity, and frequency of use. Our EPDM granules use premium pigments and peroxide vulcanization technology. The color is integrated into the material body, and color retention under normal outdoor use conditions is significantly better than conventional products. In extreme UV regions, using a UV-protective topcoat can further extend color life.

What is the delivery lead time? Do you support full container and LCL shipments?

Delivery lead time for regular orders depends on quantity and specifications. We operate with the goals of fast delivery and stable supply. We support full container and LCL shipments and can flexibly coordinate with your logistics arrangements.

Can you customize colors according to our color card or samples?

Yes. We support RAL color card and Pantone color card customization, as well as customer sample color matching. Please provide the color code or physical sample, and we will adjust the formulation and confirm with a strike-off sample based on the color requirements.

Why Choose Us

We are a manufacturer focused on EPDM granule production, with over 25 years of industry experience that has given us a deep understanding of EPDM formulations, vulcanization processes, and quality control details. We do not engage in installation work, so there is no conflict of interest — our success depends entirely on whether our granule products satisfy your installation contractor and end users.

Customization capability is our core advantage. Color, particle size, packaging, brand identity — we support customization in almost every dimension possible. RAL and Pantone color customization, sample color matching, different particle size combinations, Private Label packaging, OEM and ODM cooperation — these are not add-on services, but part of our daily operations. A full set of advanced production lines supports efficient switching from regular orders to special specifications.

Quality consistency is reflected in every batch we deliver. High color consistency means you will not see visible color differences between different batches of your purchases. Strict quality control covers the entire process from raw material screening to finished product inspection. The weather resistance, anti-aging properties, and elasticity retention brought by the peroxide vulcanization system enable our granules to deliver predictable long-term performance under different climatic conditions worldwide.

We believe the best way to sell is to let the product speak for itself. That is why we offer free samples so you can verify our quality through actual testing.

To request free samples, customized quotations, or discuss your EPDM granule needs, please feel free to contact us. Tell us your application scenario, target color, required particle size, and quantity, and we will provide you with a professional customized solution.

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.