2-4mm Blue EPDM Granules

2-4mm blue EPDM granules are functional colored rubber aggregates engineered for sports surfaces and recreational paving. This particle size range balances structural strength with surface texture—providing stable elastic support for base layers while delivering uniform, saturated color as a top-layer aggregate. Our blue granules are produced via peroxide vulcanization, containing no sulfur. They do not decompose into sulfides under high temperatures or intense UV exposure, are odorless, pollution-free, and safe for human contact. The product offers excellent weather resistance, maintaining color and physical performance whether exported to high-temperature Middle Eastern markets, cold Nordic regions, or humid tropical climates. As a dedicated EPDM granule manufacturer, we provide full customization across color, particle size, and packaging, and offer free samples for testing.

Our EPDM granules have excellent property of weather resistance, and are 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.

What Core Problems Can 2-4mm Blue EPDM Granules Solve for You?

For sports surface contractors, artificial turf system integrators, and mat manufacturers, the key concern when selecting EPDM granules is rarely a single metric—it is the overall balance: whether the color will fade over time, whether elasticity remains stable, whether the material hardens or cracks under heat or cold, and whether any odor affects the end-user experience.

2-4mm blue EPDM granules address these pain points directly. The carbon-carbon crosslinks formed by peroxide vulcanization have higher bond energy, keeping the molecular structure stable under prolonged UV exposure and thermal cycling, significantly slowing the aging process. This means blue granules are less prone to localized powdering or color dulling after installation, reducing maintenance and renovation frequency. Meanwhile, granules of this size range have moderate bulk density and strong angular three-dimensionality; when mixed with polyurethane binder, they form an elastic layer with uniform porosity—balancing drainage and underfoot comfort. For artificial turf infill systems, the 2-4mm specification provides stable rebound support and reduces fiber flattening.

Applications and Core Advantages

Sports Surface Top Layers and Base Layers: 2-4mm blue EPDM granules are suitable for elastic top layers or shock-absorbing base layers of running tracks, basketball courts, tennis courts, and multi-purpose sports areas. Blue is commonly used for functional zoning markers or combined with green and red granules to create clear visual guidance.

Artificial Turf System Infill: As elastic infill aggregate for artificial turf, 2-4mm granules form a moderate support layer at the base of the fibers, improving shock absorption performance. Blue granules can also be used for color differentiation in specific zones (e.g., boundary lines, training areas).

Outdoor Recreation and Landscape Paving: Suitable for playground safety surfacing, fitness trails, poolside walkways, and rooftop garden paving. Blue granules offer flexible color options for landscape design, and the peroxide vulcanization system ensures no sulfide release—making them suitable for semi-enclosed or indoor-transition spaces where odor sensitivity is a concern.

Durability Across Different Climates: The saturated hydrocarbon structure of the EPDM backbone inherently provides ozone, UV, and temperature resistance. In Middle Eastern and tropical regions, granules withstand sustained high temperatures and intense sunlight with better color stability than sulfur-cured systems. In cold-climate markets, low-temperature flexibility prevents granules from becoming brittle and cracking in winter. In rainy regions, the hydrophobic nature of the granules and the drainage design of the paved layer allow slow performance degradation under prolonged wet conditions.

Frequently Asked Questions (FAQ)

Will the blue color of 2-4mm EPDM granules fade quickly in sunlight?

Peroxide vulcanization combined with high-quality pigments gives the granules good UV stability. Under normal outdoor exposure, color retention is significantly better than conventional sulfur-cured products. For extreme-sunlight regions, we recommend using a UV topcoat to further extend color life, and we can provide colorfastness test data for reference.

You only produce granules and don't do installation—how can I ensure the granules are compatible with my binder?

This is precisely the advantage of focusing on production. We have extensive experience with mainstream polyurethane binder systems and can recommend the appropriate granule surface treatment and particle size ratio based on your binder type (e.g., MDI or TDI systems). Free sample testing is exactly for verifying compatibility before bulk purchase.

Can blue granules be customized to a specific RAL or Pantone color code?

Yes. We support RAL color customization, Pantone color matching, and custom color matching from customer samples. You provide the color card number or physical sample, and we complete color matching and send a sample for confirmation. Batch-to-batch color consistency is a key focus of our quality control.

What flexible options are available for packaging and shipping to different countries?

We support custom packaging (e.g., 25kg bags, ton bags, customer-specified labels), and both full-container and LCL shipments. We are familiar with documentation requirements and common acceptance standards in major export markets, and can plan cost-effective logistics solutions based on destination port and order volume.

What is the difference between your EPDM granules and recycled rubber granules?

Our granules use virgin EPDM rubber as raw material and do not use crumb rubber from waste tires. Recycled rubber powder has inherent limitations in color consistency, odor control, and weather resistance lifespan. Peroxide-cured virgin EPDM granules operate at a different level in terms of elasticity retention, aging resistance, and environmental safety.

What is the MOQ? Can I place a small trial order first?

MOQ is flexible and trial orders are supported. We understand new customers need to verify product quality and compatibility before establishing trust; specific MOQ can be negotiated based on specifications and packaging requirements. Fast delivery capability covers urgent needs for standard specifications.

How is the flame retardancy of the granules?

Our EPDM granules have excellent flame retardant performance with a Class 1 rating, suitable for public sports surfaces and indoor/outdoor recreational areas with explicit fire safety requirements.

Why Choose Us

Focus makes us professional. We only produce EPDM granules and do not engage in installation. This means all our capacity, R&D, and quality control resources are dedicated to the granules themselves—from raw rubber material selection and vulcanization process control to particle size screening precision, every step aims to ensure the granules' performance metrics withstand testing and the test of time. Over 25 years of industry experience and a complete advanced production line are the material foundation of this focus.

The tangible difference of peroxide vulcanization technology. Compared with sulfur-curing systems, the C-C crosslinks formed by peroxide vulcanization give the granules higher thermal stability and oxidation resistance. At the level users can perceive: more stable molecular structure, service life extended by more than 3 times; elasticity and tensile strength reaching 4-7 MPa; performance retention improved by more than 5 times; no sulfur content, eliminating the possibility of sulfide odor generation under high temperature or UV exposure from the root. These figures are not marketing rhetoric—they are facts we are happy to verify through third-party test reports or your own testing.

Full-dimensional customization from color to particle size. Support for RAL, Pantone, and sample-based color matching; support for 0.5-1.5mm, 1-3mm, 1-4mm, 2-4mm, and other special particle sizes; support for OEM, ODM, and Private Label. Global export experience means we understand the differentiated requirements of different markets for packaging labels, documentation compliance, and delivery rhythm. Whether full-container direct shipment or LCL consolidation, fast delivery and stable supply are fundamental service commitments.

A commitment to quality, naturally integrated. High color consistency, excellent UV stability, weather resistance and aging resistance, high elasticity, suitability for diverse global climates—these advantages do not exist in isolation; together they constitute a simple fact: every batch of blue granules you receive should be a reliable continuation of the last.

To request free samples of 2-4mm blue EPDM granules, custom color cards, or bulk quotations, please contact us directly with your application scenario and target market, and we will match you with the optimal specification and packaging 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.