RAL 1012 EPDM Granules

RAL 1012 (Lemon Yellow) is one of the most recognizable standard color codes in the RAL Classic system, presenting a bright, saturated lemon hue. When this color is applied to high-quality EPDM granules, it becomes far more than a visual accent—it is a durable expression of both function and aesthetics for outdoor sports surfaces, children's play areas, and landscaping projects. We specialize in the production of EPDM colored rubber granules and do not undertake installation work. We provide global buyers and end users with granules that offer precise color, stable performance, and flexible specifications. Our EPDM granules use peroxide vulcanization technology, which means there is no sulfur in our product, fundamentally avoiding the sulfide-related issues that traditional vulcanization systems may produce under high temperatures and intense UV exposure—no odor, no pollution, and no harm to the human body. This is why we are able to be one of the highest-quality and most cost-effective EPDM granule manufacturers on the global market, and we are glad to send free samples for your testing.

What Core Problems Can EPDM Granules Solve for You?

When you face an outdoor sports surface or children's activity area project, the real concern is often not "whether to use colored granules," but "how long will they last," "will the color fade," "will there be an odor," and "can the color match from batch to batch." The value of EPDM granules lies precisely here.

Weather Resistance and Service Life. Ordinary dyed rubber or recycled granules inevitably fade, chalk, and harden after one or two years of outdoor exposure. The EPDM terpolymer backbone is a saturated hydrocarbon structure with inherent high resistance to ozone, oxygen, UV radiation, and temperature variation. Combined with a peroxide vulcanization system, our granules maintain structural stability during long-term outdoor use, with a service life significantly longer than conventional sulfur-vulcanized products. This means your project will still retain the color and elasticity it had at handover years after delivery.

Safety and Environmental Compliance. Children's playgrounds, kindergartens, school tracks, and similar applications have extremely strict requirements for material safety. Our sulfur-free peroxide vulcanization process ensures that the product does not release sulfides due to light and heat during its service life. It has no irritating odor and meets the restrictive requirements of EU REACH, PAH, and other environmental standards for hazardous substances. For buyers, this means lower compliance risk and greater peace of mind.

Color Consistency and Design Freedom. The value of standard color codes such as RAL 1012 Lemon Yellow lies in "what you see is what you get." However, the pain point for many suppliers is precisely batch-to-batch color variation. Through strict raw material control and automated production processes, we achieve high color consistency while also supporting RAL and Pantone color customization as well as customer sample-based color matching, allowing the designer's color palette to be faithfully realized.

Application Scenarios and Core Advantages of EPDM Granules

The application of EPDM granules goes far beyond the single label of "running track." Depending on particle size specifications and formulation adjustments, it covers virtually all outdoor ground systems that require elasticity, slip resistance, weather resistance, and aesthetics.

Artificial Turf Systems are one of the most important application scenarios for EPDM granules. As infill for artificial turf fibers, 1-3mm or 0.5-1.5mm EPDM granules provide stable support, regulate fiber uprightness, and buffer athletic impact with excellent elasticity, reducing the impact load on athletes' joints. Bright colors such as lemon yellow can also provide color accents for the turf, enhancing the visual quality of the field.

EPDM Mats and Playground Safety Surfaces are another core application area. Granules of 2-4mm particle size, combined with polyurethane adhesive, can be made into seamless elastic safety mats. The impact absorption performance of EPDM can effectively reduce the risk of injury when children fall, while the low bulk density and three-dimensional angular structure ensure the breathability and structural stability of the mat.

Sports Surface Systems—including tracks, basketball courts, tennis courts, fitness paths, and more—are also classic applications for EPDM granules. Lemon yellow is often used for court zoning lines, marked areas, or combined with dark-colored granules to create high-contrast visual effects.

From an advantage perspective, the core competitiveness of EPDM granules is concentrated in several aspects: broad temperature range adaptability (stable performance from -50°C to 130°C), excellent UV stability and color retention, high elasticity and tensile strength (up to 4-7 MPa), flame retardant rating of Grade 1, and construction convenience brought by low bulk density.

Durability Performance Across Different National Climates

The fundamental reason EPDM granules have become the preferred material for outdoor surfaces worldwide is their adaptability to diverse climatic conditions. The "durability" that buyers in different regions care about has concrete answers in the material properties of EPDM.

High-Temperature and Intense UV Regions (Middle East, Southeast Asia, Africa, Australia). The core challenge in these regions is high UV radiation intensity and high average annual temperatures. The saturated backbone structure of EPDM gives it inherent resistance to UV radiation, and our peroxide vulcanization system further avoids the degradation chain reactions caused by high temperatures. Light-colored granules such as lemon yellow are particularly sensitive to UV—pigment molecules are prone to photo-oxidation under UV radiation. Our formulation uses a highly stable coloring system and antioxidant combination, demonstrating excellent color fastness in long-term UVA exposure tests, ensuring that light-colored granules remain vibrant under intense sunlight.

Rainy and High-Humidity Regions (Northern Europe, United Kingdom, Japan, Southern China). Continuous rain and humid environments are the main challenges for ground materials. EPDM itself has extremely low water absorption, and the granule surface is smooth and dense. It will not swell, soften, or develop mold due to water absorption. At the same time, rainwater washing will not cause pigment dissolution or migration, and the surface will maintain stable color and physical properties after the rainy season.

Severe Cold and Freeze-Thaw Cycle Regions (Northern North America, Russia, Northern Europe, Canada). In low-temperature environments, ordinary rubber becomes hard, brittle, and may even crack. The glass transition temperature of EPDM is extremely low, and it can maintain elastomer flexibility even at extreme low temperatures of -50°C, without losing structural integrity due to freeze-thaw cycles. This means that even during long winters, the surface will not become dangerous or unusable due to low temperatures.

Continental Climate Regions with Drastic Temperature Differences (Northern China, Central Asia, Eastern Europe). Day-night and seasonal temperature differences place demands on the thermal expansion and contraction performance of materials. The thermal expansion coefficient of EPDM granules is low, and combined with the buffering effect of the elastic base layer, it can effectively absorb temperature stress and avoid common surface diseases such as bulging and cracking.

Frequently Asked Questions (FAQ)

Will RAL 1012 Lemon Yellow granules fade after long-term outdoor use?

RAL 1012 is a light color and is theoretically more susceptible to UV influence than dark colors. However, through the combination of a highly stable pigment system and peroxide vulcanization technology, we significantly delay the photo-oxidation process. Both actual outdoor exposure and accelerated aging tests show that our granules can maintain an acceptable color difference range after years of use. Of course, any organic pigment will undergo slow changes under extreme UV conditions. Regular cleaning to remove surface dust is recommended to help maintain visual brightness.

What is the essential difference between your EPDM granules and sulfur-vulcanized granules?

The core difference lies in the vulcanization system. Sulfur vulcanization forms polysulfide bonds between rubber molecular chains. These bonds are prone to breakage under high temperatures and UV radiation, releasing sulfides and producing odor and pollution. Peroxide vulcanization forms more stable carbon-carbon crosslink bonds. The product contains no sulfur, so it has no odor, no sulfide release, and superior aging resistance.

What particle size specifications can you provide?

We support customized production of various conventional particle sizes, including 0.5-1.5mm, 1-3mm, 1-4mm, 2-4mm, and other special specifications according to project requirements. Different particle sizes are suitable for different scenarios: fine particles are mostly used for artificial turf infill and spray coatings, while coarse particles are commonly used for elastic base layers and safety mats.

Do you support color customization? What is the minimum order quantity?

We support RAL color card customization, Pantone color card customization, and customer sample-based color matching. This means you can provide a color swatch or color code, and we will complete the color matching and sample production. In terms of minimum order quantity, we remain flexible. The specific quantity depends on color and particle size requirements. We welcome communication regarding specific projects.

Are you a factory or a trading company? Do you provide installation services?

We are a professional EPDM granule manufacturer with more than 25 years of industry experience and a complete set of advanced production lines. We only produce granules and do not undertake installation. This focus allows us to invest all our resources in formula research and development, process control, and quality management. For installation, we recommend that you engage a local professional team. We can provide necessary technical parameter support.

What is the typical delivery lead time? Do you support full container and less-than-container shipments?

The delivery lead time for conventional specifications and colors is usually completed within a reasonable time after order confirmation, depending on order volume and production scheduling. We support both full container and less-than-container shipping and can accommodate your logistics arrangements. Stable supply capability is our basic commitment to long-term cooperative customers.

How do you ensure color consistency between different batches?

Color consistency is one of the most common concerns in EPDM granule procurement. We control pigment batches from the raw material end, use automated production processes to reduce human error, and conduct color difference testing before each batch leaves the factory. For standard color codes such as RAL 1012, we can achieve high batch-to-batch consistency, ensuring that your multiple batches remain visually unified.

Do your granules comply with environmental and safety standards?

Our peroxide-vulcanized EPDM granules are sulfur-free, odorless, pollution-free, and harmless to the human body. The product formulation and process design aim to meet mainstream international environmental standards, including restrictions on polycyclic aromatic hydrocarbons (PAH), heavy metals, and other hazardous substances. If specific compliance documents or test reports are required, we can provide them according to project needs.

Why Choose Us

In the global EPDM granule supply chain, there are many Chinese manufacturers, but there are not many factories that truly focus on granule production itself and achieve depth in formulation technology and quality control. Our positioning is clear: we only produce EPDM granules, we do not undertake installation, and we do not pursue unrelated diversification. The direct result of this focus is that every batch of granules you receive comes from the same production line that has been verified for more than 25 years, and from the same set of continuously optimized process standards.

We have a complete set of advanced production lines and support comprehensive customization from color and particle size to packaging. OEM, ODM, and Private Label services have been running maturely for many years, serving customers in multiple countries and regions worldwide, understanding the differentiated requirements of different markets for documentation, packaging, and delivery rhythm. Fast delivery and stable supply are not slogans, but actual commitments based on production capacity planning and inventory management capabilities. Strict quality control runs through every link from raw material warehousing to finished product shipment, while high color consistency, excellent UV stability, weather resistance and aging resistance, high elasticity, and global climate applicability are the natural presentation of these control measures in the end product.

If you are looking for an EPDM granule supplier for RAL 1012 or other customized colors for your next project, please contact us to obtain free samples and a targeted quotation.

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.